FCC/Applications/ShellChina_EPS_Project_CarPlateRecognize/CHCNetSDK.cs

using System;
using System.Runtime.InteropServices;
namespace HKCarPlateRecognize_App
{
    /// <summary>
    /// CHCNetSDK 的摘要说明。
    /// </summary>
    public class CHCNetSDK
    {
        public CHCNetSDK()
        {
            //
            // TODO: 在此处添加构造函数逻辑
            //
        }

        //SDK类型
        public const int SDK_PLAYMPEG4 = 1;//播放库
        public const int SDK_HCNETSDK = 2;//网络库

        public const int NAME_LEN = 32;//用户名长度
        public const int PASSWD_LEN = 16;//密码长度
        public const int GUID_LEN = 16;      //GUID长度
        public const int DEV_TYPE_NAME_LEN = 24;      //设备类型名称长度
        public const int MAX_NAMELEN = 16;//DVR本地登陆名
        public const int MAX_RIGHT = 32;//设备支持的权限（1-12表示本地权限，13-32表示远程权限）
        public const int SERIALNO_LEN = 48;//序列号长度
        public const int MACADDR_LEN = 6;//mac地址长度
        public const int MAX_ETHERNET = 2;//设备可配以太网络
        public const int MAX_NETWORK_CARD = 4; //设备可配最大网卡数目
        public const int PATHNAME_LEN = 128;//路径长度

        public const int MAX_NUMBER_LEN = 32;	//号码最大长度
        public const int MAX_NAME_LEN = 128; //设备名称最大长度

        public const int MAX_TIMESEGMENT_V30 = 8;//9000设备最大时间段数
        public const int MAX_TIMESEGMENT = 4;//8000设备最大时间段数
        public const int MAX_ICR_NUM = 8;   //抓拍机红外滤光片预置点数

        public const int MAX_SHELTERNUM = 4;//8000设备最大遮挡区域数
        public const int PHONENUMBER_LEN = 32;//pppoe拨号号码最大长度

        public const int MAX_DISKNUM = 16;//8000设备最大硬盘数
        public const int MAX_DISKNUM_V10 = 8;//1.2版本之前版本

        public const int MAX_WINDOW_V30 = 32;//9000设备本地显示最大播放窗口数
        public const int MAX_WINDOW = 16;//8000设备最大硬盘数
        public const int MAX_VGA_V30 = 4;//9000设备最大可接VGA数
        public const int MAX_VGA = 1;//8000设备最大可接VGA数

        public const int MAX_USERNUM_V30 = 32;//9000设备最大用户数
        public const int MAX_USERNUM = 16;//8000设备最大用户数
        public const int MAX_EXCEPTIONNUM_V30 = 32;//9000设备最大异常处理数
        public const int MAX_EXCEPTIONNUM = 16;//8000设备最大异常处理数
        public const int MAX_LINK = 6;//8000设备单通道最大视频流连接数
        public const int MAX_ITC_EXCEPTIONOUT = 32;//抓拍机最大报警输出

        public const int MAX_DECPOOLNUM = 4;//单路解码器每个解码通道最大可循环解码数
        public const int MAX_DECNUM = 4;//单路解码器的最大解码通道数（实际只有一个，其他三个保留）
        public const int MAX_TRANSPARENTNUM = 2;//单路解码器可配置最大透明通道数
        public const int MAX_CYCLE_CHAN = 16; //单路解码器最大轮循通道数
        public const int MAX_CYCLE_CHAN_V30 = 64;//最大轮询通道数（扩展）
        public const int MAX_DIRNAME_LENGTH = 80;//最大目录长度

        public const int MAX_STRINGNUM_V30 = 8;//9000设备最大OSD字符行数数
        public const int MAX_STRINGNUM = 4;//8000设备最大OSD字符行数数
        public const int MAX_STRINGNUM_EX = 8;//8000定制扩展
        public const int MAX_AUXOUT_V30 = 16;//9000设备最大辅助输出数
        public const int MAX_AUXOUT = 4;//8000设备最大辅助输出数
        public const int MAX_HD_GROUP = 16;//9000设备最大硬盘组数
        public const int MAX_NFS_DISK = 8; //8000设备最大NFS硬盘数

        public const int IW_ESSID_MAX_SIZE = 32;//WIFI的SSID号长度
        public const int IW_ENCODING_TOKEN_MAX = 32;//WIFI密锁最大字节数
        public const int WIFI_WEP_MAX_KEY_COUNT = 4;
        public const int WIFI_WEP_MAX_KEY_LENGTH = 33;
        public const int WIFI_WPA_PSK_MAX_KEY_LENGTH = 63;
        public const int WIFI_WPA_PSK_MIN_KEY_LENGTH = 8;
        public const int WIFI_MAX_AP_COUNT = 20;
        public const int MAX_SERIAL_NUM = 64;//最多支持的透明通道路数
        public const int MAX_DDNS_NUMS = 10;//9000设备最大可配ddns数
        public const int MAX_EMAIL_ADDR_LEN = 48;//最大email地址长度
        public const int MAX_EMAIL_PWD_LEN = 32;//最大email密码长度

        public const int MAXPROGRESS = 100;//回放时的最大百分率
        public const int MAX_SERIALNUM = 2;//8000设备支持的串口数 1-232， 2-485
        public const int CARDNUM_LEN = 20;//卡号长度
        public const int CARDNUM_LEN_OUT = 32; //外部结构体卡号长度
        public const int MAX_VIDEOOUT_V30 = 4;//9000设备的视频输出数
        public const int MAX_VIDEOOUT = 2;//8000设备的视频输出数

        public const int MAX_PRESET_V30 = 256;// 9000设备支持的云台预置点数
        public const int MAX_TRACK_V30 = 256;// 9000设备支持的云台轨迹数
        public const int MAX_CRUISE_V30 = 256;// 9000设备支持的云台巡航数
        public const int MAX_PRESET = 128;// 8000设备支持的云台预置点数 
        public const int MAX_TRACK = 128;// 8000设备支持的云台轨迹数
        public const int MAX_CRUISE = 128;// 8000设备支持的云台巡航数 

        public const int CRUISE_MAX_PRESET_NUMS = 32;// 一条巡航最多的巡航点 

        public const int MAX_SERIAL_PORT = 8;//9000设备支持232串口数
        public const int MAX_PREVIEW_MODE = 8;// 设备支持最大预览模式数目 1画面,4画面,9画面,16画面.... 
        public const int MAX_MATRIXOUT = 16;// 最大模拟矩阵输出个数 
        public const int LOG_INFO_LEN = 11840; // 日志附加信息 
        public const int DESC_LEN = 16;// 云台描述字符串长度 
        public const int PTZ_PROTOCOL_NUM = 200;// 9000最大支持的云台协议数 

        public const int MAX_AUDIO = 1;//8000语音对讲通道数
        public const int MAX_AUDIO_V30 = 2;//9000语音对讲通道数
        public const int MAX_CHANNUM = 16;//8000设备最大通道数
        public const int MAX_ALARMIN = 16;//8000设备最大报警输入数
        public const int MAX_ALARMOUT = 4;//8000设备最大报警输出数
        //9000 IPC接入
        public const int MAX_ANALOG_CHANNUM = 32;//最大32个模拟通道
        public const int MAX_ANALOG_ALARMOUT = 32; //最大32路模拟报警输出 
        public const int MAX_ANALOG_ALARMIN = 32;//最大32路模拟报警输入

        public const int MAX_IP_DEVICE = 32;//允许接入的最大IP设备数
        public const int MAX_IP_DEVICE_V40 = 64;//允许接入的最大IP设备数
        public const int MAX_IP_CHANNEL = 32;//允许加入的最多IP通道数
        public const int MAX_IP_ALARMIN = 128;//允许加入的最多报警输入数
        public const int MAX_IP_ALARMOUT = 64;//允许加入的最多报警输出数
        public const int MAX_IP_ALARMIN_V40 = 4096;    //允许加入的最多报警输入数
        public const int MAX_IP_ALARMOUT_V40 = 4096;    //允许加入的最多报警输出数

        public const int MAX_RECORD_FILE_NUM = 20;      // 每次删除或者刻录的最大文件数

        //SDK_V31 ATM
        public const int MAX_ATM_NUM = 1;
        public const int MAX_ACTION_TYPE = 12;
        public const int ATM_FRAMETYPE_NUM = 4;
        public const int MAX_ATM_PROTOCOL_NUM = 1025;
        public const int ATM_PROTOCOL_SORT = 4;
        public const int ATM_DESC_LEN = 32;
        // SDK_V31 ATM

        /* 最大支持的通道数 最大模拟加上最大IP支持 */
        public const int MAX_CHANNUM_V30 = MAX_ANALOG_CHANNUM + MAX_IP_CHANNEL;//64
        public const int MAX_ALARMOUT_V30 = MAX_ANALOG_ALARMOUT + MAX_IP_ALARMOUT;//96
        public const int MAX_ALARMIN_V30 = MAX_ANALOG_ALARMIN + MAX_IP_ALARMIN;//160

        public const int MAX_CHANNUM_V40 = 512;
        public const int MAX_ALARMOUT_V40 = MAX_IP_ALARMOUT_V40 + MAX_ANALOG_ALARMOUT;//4128
        public const int MAX_ALARMIN_V40 = MAX_IP_ALARMIN_V40 + MAX_ANALOG_ALARMOUT;//4128

        public const int MAX_HUMAN_PICTURE_NUM = 10;   //最大照片数
        public const int MAX_HUMAN_BIRTHDATE_LEN = 10;

        public const int MAX_LAYERNUMS = 32;

        public const int MAX_ROIDETECT_NUM = 8;    //支持的ROI区域数
        public const int MAX_LANERECT_NUM = 5;    //最大车牌识别区域数
        public const int MAX_FORTIFY_NUM = 10;   //最大布防个数
        public const int MAX_INTERVAL_NUM = 4;    //最大时间间隔个数
        public const int MAX_CHJC_NUM = 3;    //最大车辆省份简称字符个数
        public const int MAX_VL_NUM = 5;    //最大虚拟线圈个数
        public const int MAX_DRIVECHAN_NUM = 16;   //最大车道数
        public const int MAX_COIL_NUM = 3;    //最大线圈个数
        public const int MAX_SIGNALLIGHT_NUM = 6;   //最大信号灯个数
        public const int LEN_32 = 32;
        public const int LEN_31 = 31;
        public const int MAX_CABINET_COUNT = 8;    //最大支持机柜数量
        public const int MAX_ID_LEN = 48;
        public const int MAX_PARKNO_LEN = 16;
        public const int MAX_ALARMREASON_LEN = 32;
        public const int MAX_UPGRADE_INFO_LEN = 48; //获取升级文件匹配信息(模糊升级)
        public const int MAX_CUSTOMDIR_LEN = 32; //自定义目录长度

        public const int MAX_TRANSPARENT_CHAN_NUM = 4;   //每个串口允许建立的最大透明通道数
        public const int MAX_TRANSPARENT_ACCESS_NUM = 4;   //每个监听端口允许接入的最大主机数

        //ITS
        public const int MAX_PARKING_STATUS = 8;    //车位状态 0代表无车，1代表有车，2代表压线(优先级最高), 3特殊车位 
        public const int MAX_PARKING_NUM = 4;    //一个通道最大4个车位 (从左到右车位 数组0～3)

        public const int MAX_ITS_SCENE_NUM = 16;   //最大场景数量
        public const int MAX_SCENE_TIMESEG_NUM = 16;   //最大场景时间段数量
        public const int MAX_IVMS_IP_CHANNEL = 128;  //最大IP通道数
        public const int DEVICE_ID_LEN = 48;   //设备编号长度
        public const int MONITORSITE_ID_LEN = 48;   //监测点编号长度
        public const int MAX_AUXAREA_NUM = 16;   //辅助区域最大数目
        public const int MAX_SLAVE_CHANNEL_NUM = 16;   //最大从通道数量

        public const int MAX_SCH_TASKS_NUM = 10;

        public const int MAX_SERVERID_LEN = 64; //最大服务器ID的长度
        public const int MAX_SERVERDOMAIN_LEN = 128; //服务器域名最大长度
        public const int MAX_AUTHENTICATEID_LEN = 64; //认证ID最大长度
        public const int MAX_AUTHENTICATEPASSWD_LEN = 32; //认证密码最大长度
        public const int MAX_SERVERNAME_LEN = 64; //最大服务器用户名 
        public const int MAX_COMPRESSIONID_LEN = 64; //编码ID的最大长度
        public const int MAX_SIPSERVER_ADDRESS_LEN = 128; //SIP服务器地址支持域名和IP地址
        //压线报警
        public const int MAX_PlATE_NO_LEN = 32;   //车牌号码最大长度 2013-09-27
        public const int UPNP_PORT_NUM = 12;      //upnp端口映射端口数目


        public const int MAX_LOCAL_ADDR_LEN = 96;		//SOCKS最大本地网段个数
        public const int MAX_COUNTRY_NAME_LEN = 4;      //国家简写名称长度


        public const int NET_DVR_DEV_ADDRESS_MAX_LEN = 129;
        public const int NET_DVR_LOGIN_USERNAME_MAX_LEN = 64;
        public const int NET_DVR_LOGIN_PASSWD_MAX_LEN = 64;

        //码流连接方式
        public const int NORMALCONNECT = 1;
        public const int MEDIACONNECT = 2;

        //设备型号(大类)
        public const int HCDVR = 1;
        public const int MEDVR = 2;
        public const int PCDVR = 3;
        public const int HC_9000 = 4;
        public const int HF_I = 5;
        public const int PCNVR = 6;
        public const int HC_76NVR = 8;

        //NVR类型
        public const int DS8000HC_NVR = 0;
        public const int DS9000HC_NVR = 1;
        public const int DS8000ME_NVR = 2;

        /*******************全局错误码 begin**********************/
        public const int NET_DVR_NOERROR = 0;//没有错误
        public const int NET_DVR_PASSWORD_ERROR = 1;//用户名密码错误
        public const int NET_DVR_NOENOUGHPRI = 2;//权限不足
        public const int NET_DVR_NOINIT = 3;//没有初始化
        public const int NET_DVR_CHANNEL_ERROR = 4;//通道号错误
        public const int NET_DVR_OVER_MAXLINK = 5;//连接到DVR的客户端个数超过最大
        public const int NET_DVR_VERSIONNOMATCH = 6;//版本不匹配
        public const int NET_DVR_NETWORK_FAIL_CONNECT = 7;//连接服务器失败
        public const int NET_DVR_NETWORK_SEND_ERROR = 8;//向服务器发送失败
        public const int NET_DVR_NETWORK_RECV_ERROR = 9;//从服务器接收数据失败
        public const int NET_DVR_NETWORK_RECV_TIMEOUT = 10;//从服务器接收数据超时
        public const int NET_DVR_NETWORK_ERRORDATA = 11;//传送的数据有误
        public const int NET_DVR_ORDER_ERROR = 12;//调用次序错误
        public const int NET_DVR_OPERNOPERMIT = 13;//无此权限
        public const int NET_DVR_COMMANDTIMEOUT = 14;//DVR命令执行超时
        public const int NET_DVR_ERRORSERIALPORT = 15;//串口号错误
        public const int NET_DVR_ERRORALARMPORT = 16;//报警端口错误
        public const int NET_DVR_PARAMETER_ERROR = 17;//参数错误
        public const int NET_DVR_CHAN_EXCEPTION = 18;//服务器通道处于错误状态
        public const int NET_DVR_NODISK = 19;//没有硬盘
        public const int NET_DVR_ERRORDISKNUM = 20;//硬盘号错误
        public const int NET_DVR_DISK_FULL = 21;//服务器硬盘满
        public const int NET_DVR_DISK_ERROR = 22;//服务器硬盘出错
        public const int NET_DVR_NOSUPPORT = 23;//服务器不支持
        public const int NET_DVR_BUSY = 24;//服务器忙
        public const int NET_DVR_MODIFY_FAIL = 25;//服务器修改不成功
        public const int NET_DVR_PASSWORD_FORMAT_ERROR = 26;//密码输入格式不正确
        public const int NET_DVR_DISK_FORMATING = 27;//硬盘正在格式化，不能启动操作
        public const int NET_DVR_DVRNORESOURCE = 28;//DVR资源不足
        public const int NET_DVR_DVROPRATEFAILED = 29;//DVR操作失败
        public const int NET_DVR_OPENHOSTSOUND_FAIL = 30;//打开PC声音失败
        public const int NET_DVR_DVRVOICEOPENED = 31;//服务器语音对讲被占用
        public const int NET_DVR_TIMEINPUTERROR = 32;//时间输入不正确
        public const int NET_DVR_NOSPECFILE = 33;//回放时服务器没有指定的文件
        public const int NET_DVR_CREATEFILE_ERROR = 34;//创建文件出错
        public const int NET_DVR_FILEOPENFAIL = 35;//打开文件出错
        public const int NET_DVR_OPERNOTFINISH = 36; //上次的操作还没有完成
        public const int NET_DVR_GETPLAYTIMEFAIL = 37;//获取当前播放的时间出错
        public const int NET_DVR_PLAYFAIL = 38;//播放出错
        public const int NET_DVR_FILEFORMAT_ERROR = 39;//文件格式不正确
        public const int NET_DVR_DIR_ERROR = 40;//路径错误
        public const int NET_DVR_ALLOC_RESOURCE_ERROR = 41;//资源分配错误
        public const int NET_DVR_AUDIO_MODE_ERROR = 42;//声卡模式错误
        public const int NET_DVR_NOENOUGH_BUF = 43;//缓冲区太小
        public const int NET_DVR_CREATESOCKET_ERROR = 44;//创建SOCKET出错
        public const int NET_DVR_SETSOCKET_ERROR = 45;//设置SOCKET出错
        public const int NET_DVR_MAX_NUM = 46;//个数达到最大
        public const int NET_DVR_USERNOTEXIST = 47;//用户不存在
        public const int NET_DVR_WRITEFLASHERROR = 48;//写FLASH出错
        public const int NET_DVR_UPGRADEFAIL = 49;//DVR升级失败
        public const int NET_DVR_CARDHAVEINIT = 50;//解码卡已经初始化过
        public const int NET_DVR_PLAYERFAILED = 51;//调用播放库中某个函数失败
        public const int NET_DVR_MAX_USERNUM = 52;//设备端用户数达到最大
        public const int NET_DVR_GETLOCALIPANDMACFAIL = 53;//获得客户端的IP地址或物理地址失败
        public const int NET_DVR_NOENCODEING = 54;//该通道没有编码
        public const int NET_DVR_IPMISMATCH = 55;//IP地址不匹配
        public const int NET_DVR_MACMISMATCH = 56;//MAC地址不匹配
        public const int NET_DVR_UPGRADELANGMISMATCH = 57;//升级文件语言不匹配
        public const int NET_DVR_MAX_PLAYERPORT = 58;//播放器路数达到最大
        public const int NET_DVR_NOSPACEBACKUP = 59;//备份设备中没有足够空间进行备份
        public const int NET_DVR_NODEVICEBACKUP = 60;//没有找到指定的备份设备
        public const int NET_DVR_PICTURE_BITS_ERROR = 61;//图像素位数不符，限24色
        public const int NET_DVR_PICTURE_DIMENSION_ERROR = 62;//图片高*宽超限， 限128*256
        public const int NET_DVR_PICTURE_SIZ_ERROR = 63;//图片大小超限，限100K
        public const int NET_DVR_LOADPLAYERSDKFAILED = 64;//载入当前目录下Player Sdk出错
        public const int NET_DVR_LOADPLAYERSDKPROC_ERROR = 65;//找不到Player Sdk中某个函数入口
        public const int NET_DVR_LOADDSSDKFAILED = 66;//载入当前目录下DSsdk出错
        public const int NET_DVR_LOADDSSDKPROC_ERROR = 67;//找不到DsSdk中某个函数入口
        public const int NET_DVR_DSSDK_ERROR = 68;//调用硬解码库DsSdk中某个函数失败
        public const int NET_DVR_VOICEMONOPOLIZE = 69;//声卡被独占
        public const int NET_DVR_JOINMULTICASTFAILED = 70;//加入多播组失败
        public const int NET_DVR_CREATEDIR_ERROR = 71;//建立日志文件目录失败
        public const int NET_DVR_BINDSOCKET_ERROR = 72;//绑定套接字失败
        public const int NET_DVR_SOCKETCLOSE_ERROR = 73;//socket连接中断，此错误通常是由于连接中断或目的地不可达
        public const int NET_DVR_USERID_ISUSING = 74;//注销时用户ID正在进行某操作
        public const int NET_DVR_SOCKETLISTEN_ERROR = 75;//监听失败
        public const int NET_DVR_PROGRAM_EXCEPTION = 76;//程序异常
        public const int NET_DVR_WRITEFILE_FAILED = 77;//写文件失败
        public const int NET_DVR_FORMAT_READONLY = 78;//禁止格式化只读硬盘
        public const int NET_DVR_WITHSAMEUSERNAME = 79;//用户配置结构中存在相同的用户名
        public const int NET_DVR_DEVICETYPE_ERROR = 80;//导入参数时设备型号不匹配
        public const int NET_DVR_LANGUAGE_ERROR = 81;//导入参数时语言不匹配
        public const int NET_DVR_PARAVERSION_ERROR = 82;//导入参数时软件版本不匹配
        public const int NET_DVR_IPCHAN_NOTALIVE = 83; //预览时外接IP通道不在线
        public const int NET_DVR_RTSP_SDK_ERROR = 84;//加载高清IPC通讯库StreamTransClient.dll失败
        public const int NET_DVR_CONVERT_SDK_ERROR = 85;//加载转码库失败
        public const int NET_DVR_IPC_COUNT_OVERFLOW = 86;//超出最大的ip接入通道数

        public const int NET_PLAYM4_NOERROR = 500;//no error
        public const int NET_PLAYM4_PARA_OVER = 501;//input parameter is invalid
        public const int NET_PLAYM4_ORDER_ERROR = 502;//The order of the function to be called is error
        public const int NET_PLAYM4_TIMER_ERROR = 503;//Create multimedia clock failed
        public const int NET_PLAYM4_DEC_VIDEO_ERROR = 504;//Decode video data failed
        public const int NET_PLAYM4_DEC_AUDIO_ERROR = 505;//Decode audio data failed
        public const int NET_PLAYM4_ALLOC_MEMORY_ERROR = 506;//Allocate memory failed
        public const int NET_PLAYM4_OPEN_FILE_ERROR = 507;//Open the file failed
        public const int NET_PLAYM4_CREATE_OBJ_ERROR = 508;//Create thread or event failed
        public const int NET_PLAYM4_CREATE_DDRAW_ERROR = 509;//Create DirectDraw object failed
        public const int NET_PLAYM4_CREATE_OFFSCREEN_ERROR = 510;//failed when creating off-screen surface
        public const int NET_PLAYM4_BUF_OVER = 511;//buffer is overflow
        public const int NET_PLAYM4_CREATE_SOUND_ERROR = 512;//failed when creating audio device
        public const int NET_PLAYM4_SET_VOLUME_ERROR = 513;//Set volume failed
        public const int NET_PLAYM4_SUPPORT_FILE_ONLY = 514;//The function only support play file
        public const int NET_PLAYM4_SUPPORT_STREAM_ONLY = 515;//The function only support play stream
        public const int NET_PLAYM4_SYS_NOT_SUPPORT = 516;//System not support
        public const int NET_PLAYM4_FILEHEADER_UNKNOWN = 517;//No file header
        public const int NET_PLAYM4_VERSION_INCORRECT = 518;//The version of decoder and encoder is not adapted
        public const int NET_PALYM4_INIT_DECODER_ERROR = 519;//Initialize decoder failed
        public const int NET_PLAYM4_CHECK_FILE_ERROR = 520;//The file data is unknown
        public const int NET_PLAYM4_INIT_TIMER_ERROR = 521;//Initialize multimedia clock failed
        public const int NET_PLAYM4_BLT_ERROR = 522;//Blt failed
        public const int NET_PLAYM4_UPDATE_ERROR = 523;//Update failed
        public const int NET_PLAYM4_OPEN_FILE_ERROR_MULTI = 524;//openfile error, streamtype is multi
        public const int NET_PLAYM4_OPEN_FILE_ERROR_VIDEO = 525;//openfile error, streamtype is video
        public const int NET_PLAYM4_JPEG_COMPRESS_ERROR = 526;//JPEG compress error
        public const int NET_PLAYM4_EXTRACT_NOT_SUPPORT = 527;//Don't support the version of this file
        public const int NET_PLAYM4_EXTRACT_DATA_ERROR = 528;//extract video data failed
        /*******************全局错误码 end**********************/

        /*************************************************
        NET_DVR_IsSupport()返回值
        1－9位分别表示以下信息（位与是TRUE)表示支持；
        **************************************************/
        public const int NET_DVR_SUPPORT_DDRAW = 1;//支持DIRECTDRAW，如果不支持，则播放器不能工作
        public const int NET_DVR_SUPPORT_BLT = 2;//显卡支持BLT操作，如果不支持，则播放器不能工作
        public const int NET_DVR_SUPPORT_BLTFOURCC = 4;//显卡BLT支持颜色转换，如果不支持，播放器会用软件方法作RGB转换
        public const int NET_DVR_SUPPORT_BLTSHRINKX = 8;//显卡BLT支持X轴缩小；如果不支持，系统会用软件方法转换
        public const int NET_DVR_SUPPORT_BLTSHRINKY = 16;//显卡BLT支持Y轴缩小；如果不支持，系统会用软件方法转换
        public const int NET_DVR_SUPPORT_BLTSTRETCHX = 32;//显卡BLT支持X轴放大；如果不支持，系统会用软件方法转换
        public const int NET_DVR_SUPPORT_BLTSTRETCHY = 64;//显卡BLT支持Y轴放大；如果不支持，系统会用软件方法转换
        public const int NET_DVR_SUPPORT_SSE = 128;//CPU支持SSE指令，Intel Pentium3以上支持SSE指令
        public const int NET_DVR_SUPPORT_MMX = 256;//CPU支持MMX指令集，Intel Pentium3以上支持SSE指令

        /**********************云台控制命令 begin*************************/
        public const int LIGHT_PWRON = 2;// 接通灯光电源
        public const int WIPER_PWRON = 3;// 接通雨刷开关 
        public const int FAN_PWRON = 4;// 接通风扇开关
        public const int HEATER_PWRON = 5;// 接通加热器开关
        public const int AUX_PWRON1 = 6;// 接通辅助设备开关
        public const int AUX_PWRON2 = 7;// 接通辅助设备开关 
        public const int SET_PRESET = 8;// 设置预置点 
        public const int CLE_PRESET = 9;// 清除预置点 

        public const int ZOOM_IN = 11;// 焦距以速度SS变大(倍率变大)
        public const int ZOOM_OUT = 12;// 焦距以速度SS变小(倍率变小)
        public const int FOCUS_NEAR = 13;// 焦点以速度SS前调 
        public const int FOCUS_FAR = 14;// 焦点以速度SS后调
        public const int IRIS_OPEN = 15;// 光圈以速度SS扩大
        public const int IRIS_CLOSE = 16;// 光圈以速度SS缩小 

        public const int TILT_UP = 21;/* 云台以SS的速度上仰 */
        public const int TILT_DOWN = 22;/* 云台以SS的速度下俯 */
        public const int PAN_LEFT = 23;/* 云台以SS的速度左转 */
        public const int PAN_RIGHT = 24;/* 云台以SS的速度右转 */
        public const int UP_LEFT = 25;/* 云台以SS的速度上仰和左转 */
        public const int UP_RIGHT = 26;/* 云台以SS的速度上仰和右转 */
        public const int DOWN_LEFT = 27;/* 云台以SS的速度下俯和左转 */
        public const int DOWN_RIGHT = 28;/* 云台以SS的速度下俯和右转 */
        public const int PAN_AUTO = 29;/* 云台以SS的速度左右自动扫描 */

        public const int FILL_PRE_SEQ = 30;/* 将预置点加入巡航序列 */
        public const int SET_SEQ_DWELL = 31;/* 设置巡航点停顿时间 */
        public const int SET_SEQ_SPEED = 32;/* 设置巡航速度 */
        public const int CLE_PRE_SEQ = 33;/* 将预置点从巡航序列中删除 */
        public const int STA_MEM_CRUISE = 34;/* 开始记录轨迹 */
        public const int STO_MEM_CRUISE = 35;/* 停止记录轨迹 */
        public const int RUN_CRUISE = 36;/* 开始轨迹 */
        public const int RUN_SEQ = 37;/* 开始巡航 */
        public const int STOP_SEQ = 38;/* 停止巡航 */
        public const int GOTO_PRESET = 39;/* 快球转到预置点 */
        /**********************云台控制命令 end*************************/

        /*************************************************
        回放时播放控制命令宏定义 
        NET_DVR_PlayBackControl
        NET_DVR_PlayControlLocDisplay
        NET_DVR_DecPlayBackCtrl的宏定义
        具体支持查看函数说明和代码
        **************************************************/
        public const int NET_DVR_PLAYSTART = 1;//开始播放
        public const int NET_DVR_PLAYSTOP = 2;//停止播放
        public const int NET_DVR_PLAYPAUSE = 3;//暂停播放
        public const int NET_DVR_PLAYRESTART = 4;//恢复播放
        public const int NET_DVR_PLAYFAST = 5;//快放
        public const int NET_DVR_PLAYSLOW = 6;//慢放
        public const int NET_DVR_PLAYNORMAL = 7;//正常速度
        public const int NET_DVR_PLAYFRAME = 8;//单帧放
        public const int NET_DVR_PLAYSTARTAUDIO = 9;//打开声音
        public const int NET_DVR_PLAYSTOPAUDIO = 10;//关闭声音
        public const int NET_DVR_PLAYAUDIOVOLUME = 11;//调节音量
        public const int NET_DVR_PLAYSETPOS = 12;//改变文件回放的进度
        public const int NET_DVR_PLAYGETPOS = 13;//获取文件回放的进度
        public const int NET_DVR_PLAYGETTIME = 14;//获取当前已经播放的时间(按文件回放的时候有效)
        public const int NET_DVR_PLAYGETFRAME = 15;//获取当前已经播放的帧数(按文件回放的时候有效)
        public const int NET_DVR_GETTOTALFRAMES = 16;//获取当前播放文件总的帧数(按文件回放的时候有效)
        public const int NET_DVR_GETTOTALTIME = 17;//获取当前播放文件总的时间(按文件回放的时候有效)
        public const int NET_DVR_THROWBFRAME = 20;//丢B帧
        public const int NET_DVR_SETSPEED = 24;//设置码流速度
        public const int NET_DVR_KEEPALIVE = 25;//保持与设备的心跳(如果回调阻塞，建议2秒发送一次)
        public const int NET_DVR_PLAYSETTIME = 26;//按绝对时间定位
        public const int NET_DVR_PLAYGETTOTALLEN = 27;//获取按时间回放对应时间段内的所有文件的总长度
        public const int NET_DVR_PLAY_FORWARD = 29;//倒放切换为正放
        public const int NET_DVR_PLAY_REVERSE = 30;//正放切换为倒放
        public const int NET_DVR_SET_TRANS_TYPE = 32;//设置转封装类型
        public const int NET_DVR_PLAY_CONVERT = 33;//正放切换为倒放

        //远程按键定义如下：
        /* key value send to CONFIG program */
        public const int KEY_CODE_1 = 1;
        public const int KEY_CODE_2 = 2;
        public const int KEY_CODE_3 = 3;
        public const int KEY_CODE_4 = 4;
        public const int KEY_CODE_5 = 5;
        public const int KEY_CODE_6 = 6;
        public const int KEY_CODE_7 = 7;
        public const int KEY_CODE_8 = 8;
        public const int KEY_CODE_9 = 9;
        public const int KEY_CODE_0 = 10;
        public const int KEY_CODE_POWER = 11;
        public const int KEY_CODE_MENU = 12;
        public const int KEY_CODE_ENTER = 13;
        public const int KEY_CODE_CANCEL = 14;
        public const int KEY_CODE_UP = 15;
        public const int KEY_CODE_DOWN = 16;
        public const int KEY_CODE_LEFT = 17;
        public const int KEY_CODE_RIGHT = 18;
        public const int KEY_CODE_EDIT = 19;
        public const int KEY_CODE_ADD = 20;
        public const int KEY_CODE_MINUS = 21;
        public const int KEY_CODE_PLAY = 22;
        public const int KEY_CODE_REC = 23;
        public const int KEY_CODE_PAN = 24;
        public const int KEY_CODE_M = 25;
        public const int KEY_CODE_A = 26;
        public const int KEY_CODE_F1 = 27;
        public const int KEY_CODE_F2 = 28;

        /* for PTZ control */
        public const int KEY_PTZ_UP_START = KEY_CODE_UP;
        public const int KEY_PTZ_UP_STOP = 32;

        public const int KEY_PTZ_DOWN_START = KEY_CODE_DOWN;
        public const int KEY_PTZ_DOWN_STOP = 33;


        public const int KEY_PTZ_LEFT_START = KEY_CODE_LEFT;
        public const int KEY_PTZ_LEFT_STOP = 34;

        public const int KEY_PTZ_RIGHT_START = KEY_CODE_RIGHT;
        public const int KEY_PTZ_RIGHT_STOP = 35;

        public const int KEY_PTZ_AP1_START = KEY_CODE_EDIT;/* 光圈+ */
        public const int KEY_PTZ_AP1_STOP = 36;

        public const int KEY_PTZ_AP2_START = KEY_CODE_PAN;/* 光圈- */
        public const int KEY_PTZ_AP2_STOP = 37;

        public const int KEY_PTZ_FOCUS1_START = KEY_CODE_A;/* 聚焦+ */
        public const int KEY_PTZ_FOCUS1_STOP = 38;

        public const int KEY_PTZ_FOCUS2_START = KEY_CODE_M;/* 聚焦- */
        public const int KEY_PTZ_FOCUS2_STOP = 39;

        public const int KEY_PTZ_B1_START = 40;/* 变倍+ */
        public const int KEY_PTZ_B1_STOP = 41;

        public const int KEY_PTZ_B2_START = 42;/* 变倍- */
        public const int KEY_PTZ_B2_STOP = 43;

        //9000新增
        public const int KEY_CODE_11 = 44;
        public const int KEY_CODE_12 = 45;
        public const int KEY_CODE_13 = 46;
        public const int KEY_CODE_14 = 47;
        public const int KEY_CODE_15 = 48;
        public const int KEY_CODE_16 = 49;

        /*************************参数配置命令 begin*******************************/
        //用于NET_DVR_SetDVRConfig和NET_DVR_GetDVRConfig,注意其对应的配置结构
        public const int NET_DVR_GET_DEVICECFG = 100;//获取设备参数
        public const int NET_DVR_SET_DEVICECFG = 101;//设置设备参数
        public const int NET_DVR_GET_NETCFG = 102;//获取网络参数
        public const int NET_DVR_SET_NETCFG = 103;//设置网络参数
        public const int NET_DVR_GET_PICCFG = 104;//获取图象参数
        public const int NET_DVR_SET_PICCFG = 105;//设置图象参数
        public const int NET_DVR_GET_COMPRESSCFG = 106;//获取压缩参数
        public const int NET_DVR_SET_COMPRESSCFG = 107;//设置压缩参数
        public const int NET_DVR_GET_RECORDCFG = 108;//获取录像时间参数
        public const int NET_DVR_SET_RECORDCFG = 109;//设置录像时间参数
        public const int NET_DVR_GET_DECODERCFG = 110;//获取解码器参数
        public const int NET_DVR_SET_DECODERCFG = 111;//设置解码器参数
        public const int NET_DVR_GET_RS232CFG = 112;//获取232串口参数
        public const int NET_DVR_SET_RS232CFG = 113;//设置232串口参数
        public const int NET_DVR_GET_ALARMINCFG = 114;//获取报警输入参数
        public const int NET_DVR_SET_ALARMINCFG = 115;//设置报警输入参数
        public const int NET_DVR_GET_ALARMOUTCFG = 116;//获取报警输出参数
        public const int NET_DVR_SET_ALARMOUTCFG = 117;//设置报警输出参数
        public const int NET_DVR_GET_TIMECFG = 118;//获取DVR时间
        public const int NET_DVR_SET_TIMECFG = 119;//设置DVR时间
        public const int NET_DVR_GET_PREVIEWCFG = 120;//获取预览参数
        public const int NET_DVR_SET_PREVIEWCFG = 121;//设置预览参数
        public const int NET_DVR_GET_VIDEOOUTCFG = 122;//获取视频输出参数
        public const int NET_DVR_SET_VIDEOOUTCFG = 123;//设置视频输出参数
        public const int NET_DVR_GET_USERCFG = 124;//获取用户参数
        public const int NET_DVR_SET_USERCFG = 125;//设置用户参数
        public const int NET_DVR_GET_EXCEPTIONCFG = 126;//获取异常参数
        public const int NET_DVR_SET_EXCEPTIONCFG = 127;//设置异常参数
        public const int NET_DVR_GET_ZONEANDDST = 128;//获取时区和夏时制参数
        public const int NET_DVR_SET_ZONEANDDST = 129;//设置时区和夏时制参数
        public const int NET_DVR_GET_SHOWSTRING = 130;//获取叠加字符参数
        public const int NET_DVR_SET_SHOWSTRING = 131;//设置叠加字符参数
        public const int NET_DVR_GET_EVENTCOMPCFG = 132;//获取事件触发录像参数
        public const int NET_DVR_SET_EVENTCOMPCFG = 133;//设置事件触发录像参数

        public const int NET_DVR_GET_AUXOUTCFG = 140;//获取报警触发辅助输出设置(HS设备辅助输出2006-02-28)
        public const int NET_DVR_SET_AUXOUTCFG = 141;//设置报警触发辅助输出设置(HS设备辅助输出2006-02-28)
        public const int NET_DVR_GET_PREVIEWCFG_AUX = 142;//获取-s系列双输出预览参数(-s系列双输出2006-04-13)
        public const int NET_DVR_SET_PREVIEWCFG_AUX = 143;//设置-s系列双输出预览参数(-s系列双输出2006-04-13)

        public const int NET_DVR_GET_PICCFG_EX = 200;//获取图象参数(SDK_V14扩展命令)
        public const int NET_DVR_SET_PICCFG_EX = 201;//设置图象参数(SDK_V14扩展命令)
        public const int NET_DVR_GET_USERCFG_EX = 202;//获取用户参数(SDK_V15扩展命令)
        public const int NET_DVR_SET_USERCFG_EX = 203;//设置用户参数(SDK_V15扩展命令)
        public const int NET_DVR_GET_COMPRESSCFG_EX = 204;//获取压缩参数(SDK_V15扩展命令2006-05-15)
        public const int NET_DVR_SET_COMPRESSCFG_EX = 205;//设置压缩参数(SDK_V15扩展命令2006-05-15)

        public const int NET_DVR_GET_NETAPPCFG = 222;//获取网络应用参数 NTP/DDNS/EMAIL
        public const int NET_DVR_SET_NETAPPCFG = 223;//设置网络应用参数 NTP/DDNS/EMAIL
        public const int NET_DVR_GET_NTPCFG = 224;//获取网络应用参数 NTP
        public const int NET_DVR_SET_NTPCFG = 225;//设置网络应用参数 NTP
        public const int NET_DVR_GET_DDNSCFG = 226;//获取网络应用参数 DDNS
        public const int NET_DVR_SET_DDNSCFG = 227;//设置网络应用参数 DDNS
        //对应NET_DVR_EMAILPARA
        public const int NET_DVR_GET_EMAILCFG = 228;//获取网络应用参数 EMAIL
        public const int NET_DVR_SET_EMAILCFG = 229;//设置网络应用参数 EMAIL

        public const int NET_DVR_GET_NFSCFG = 230;/* NFS disk config */
        public const int NET_DVR_SET_NFSCFG = 231;/* NFS disk config */

        public const int NET_DVR_GET_SHOWSTRING_EX = 238;//获取叠加字符参数扩展(支持8条字符)
        public const int NET_DVR_SET_SHOWSTRING_EX = 239;//设置叠加字符参数扩展(支持8条字符)
        public const int NET_DVR_GET_NETCFG_OTHER = 244;//获取网络参数
        public const int NET_DVR_SET_NETCFG_OTHER = 245;//设置网络参数

        //对应NET_DVR_EMAILCFG结构
        public const int NET_DVR_GET_EMAILPARACFG = 250;//Get EMAIL parameters
        public const int NET_DVR_SET_EMAILPARACFG = 251;//Setup EMAIL parameters

        public const int NET_DVR_GET_DDNSCFG_EX = 274;//获取扩展DDNS参数
        public const int NET_DVR_SET_DDNSCFG_EX = 275;//设置扩展DDNS参数

        public const int NET_DVR_SET_PTZPOS = 292;//云台设置PTZ位置
        public const int NET_DVR_GET_PTZPOS = 293;//云台获取PTZ位置
        public const int NET_DVR_GET_PTZSCOPE = 294;//云台获取PTZ范围

        public const int NET_DVR_GET_AP_INFO_LIST = 305;//获取无线网络资源参数
        public const int NET_DVR_SET_WIFI_CFG = 306;//设置IP监控设备无线参数
        public const int NET_DVR_GET_WIFI_CFG = 307;//获取IP监控设备无线参数
        public const int NET_DVR_SET_WIFI_WORKMODE = 308;//设置IP监控设备网口工作模式参数
        public const int NET_DVR_GET_WIFI_WORKMODE = 309;//获取IP监控设备网口工作模式参数 
        public const int NET_DVR_GET_WIFI_STATUS = 310;	//获取设备当前wifi连接状态
        /***************************DS9000新增命令(_V30) begin *****************************/
        //网络(NET_DVR_NETCFG_V30结构)
        public const int NET_DVR_GET_NETCFG_V30 = 1000;//获取网络参数
        public const int NET_DVR_SET_NETCFG_V30 = 1001;//设置网络参数

        //图象(NET_DVR_PICCFG_V30结构)
        public const int NET_DVR_GET_PICCFG_V30 = 1002;//获取图象参数
        public const int NET_DVR_SET_PICCFG_V30 = 1003;//设置图象参数

        //录像时间(NET_DVR_RECORD_V30结构)
        public const int NET_DVR_GET_RECORDCFG_V30 = 1004;//获取录像参数
        public const int NET_DVR_SET_RECORDCFG_V30 = 1005;//设置录像参数

        //用户(NET_DVR_USER_V30结构)
        public const int NET_DVR_GET_USERCFG_V30 = 1006;//获取用户参数
        public const int NET_DVR_SET_USERCFG_V30 = 1007;//设置用户参数

        //9000DDNS参数配置(NET_DVR_DDNSPARA_V30结构)
        public const int NET_DVR_GET_DDNSCFG_V30 = 1010;//获取DDNS(9000扩展)
        public const int NET_DVR_SET_DDNSCFG_V30 = 1011;//设置DDNS(9000扩展)

        //EMAIL功能(NET_DVR_EMAILCFG_V30结构)
        public const int NET_DVR_GET_EMAILCFG_V30 = 1012;//获取EMAIL参数 
        public const int NET_DVR_SET_EMAILCFG_V30 = 1013;//设置EMAIL参数 

        //巡航参数 (NET_DVR_CRUISE_PARA结构)
        public const int NET_DVR_GET_CRUISE = 1020;
        public const int NET_DVR_SET_CRUISE = 1021;

        //报警输入结构参数 (NET_DVR_ALARMINCFG_V30结构)
        public const int NET_DVR_GET_ALARMINCFG_V30 = 1024;
        public const int NET_DVR_SET_ALARMINCFG_V30 = 1025;

        //报警输出结构参数 (NET_DVR_ALARMOUTCFG_V30结构)
        public const int NET_DVR_GET_ALARMOUTCFG_V30 = 1026;
        public const int NET_DVR_SET_ALARMOUTCFG_V30 = 1027;

        //视频输出结构参数 (NET_DVR_VIDEOOUT_V30结构)
        public const int NET_DVR_GET_VIDEOOUTCFG_V30 = 1028;
        public const int NET_DVR_SET_VIDEOOUTCFG_V30 = 1029;

        //叠加字符结构参数 (NET_DVR_SHOWSTRING_V30结构)
        public const int NET_DVR_GET_SHOWSTRING_V30 = 1030;
        public const int NET_DVR_SET_SHOWSTRING_V30 = 1031;

        //异常结构参数 (NET_DVR_EXCEPTION_V30结构)
        public const int NET_DVR_GET_EXCEPTIONCFG_V30 = 1034;
        public const int NET_DVR_SET_EXCEPTIONCFG_V30 = 1035;

        //串口232结构参数 (NET_DVR_RS232CFG_V30结构)
        public const int NET_DVR_GET_RS232CFG_V30 = 1036;
        public const int NET_DVR_SET_RS232CFG_V30 = 1037;

        //网络硬盘接入结构参数 (NET_DVR_NET_DISKCFG结构)
        public const int NET_DVR_GET_NET_DISKCFG = 1038;//网络硬盘接入获取
        public const int NET_DVR_SET_NET_DISKCFG = 1039;//网络硬盘接入设置

        //压缩参数 (NET_DVR_COMPRESSIONCFG_V30结构)
        public const int NET_DVR_GET_COMPRESSCFG_V30 = 1040;
        public const int NET_DVR_SET_COMPRESSCFG_V30 = 1041;

        //获取485解码器参数 (NET_DVR_DECODERCFG_V30结构)
        public const int NET_DVR_GET_DECODERCFG_V30 = 1042;//获取解码器参数
        public const int NET_DVR_SET_DECODERCFG_V30 = 1043;//设置解码器参数

        //获取预览参数 (NET_DVR_PREVIEWCFG_V30结构)
        public const int NET_DVR_GET_PREVIEWCFG_V30 = 1044;//获取预览参数
        public const int NET_DVR_SET_PREVIEWCFG_V30 = 1045;//设置预览参数

        //辅助预览参数 (NET_DVR_PREVIEWCFG_AUX_V30结构)
        public const int NET_DVR_GET_PREVIEWCFG_AUX_V30 = 1046;//获取辅助预览参数
        public const int NET_DVR_SET_PREVIEWCFG_AUX_V30 = 1047;//设置辅助预览参数

        //IP接入配置参数 （NET_DVR_IPPARACFG结构）
        public const int NET_DVR_GET_IPPARACFG = 1048; //获取IP接入配置信息 
        public const int NET_DVR_SET_IPPARACFG = 1049;//设置IP接入配置信息

        //IP接入配置参数 （NET_DVR_IPPARACFG_V40结构）
        public const int NET_DVR_GET_IPPARACFG_V40 = 1062; //获取IP接入配置信息 
        public const int NET_DVR_SET_IPPARACFG_V40 = 1063;//设置IP接入配置信息

        //IP报警输入接入配置参数 （NET_DVR_IPALARMINCFG结构）
        public const int NET_DVR_GET_IPALARMINCFG = 1050; //获取IP报警输入接入配置信息 
        public const int NET_DVR_SET_IPALARMINCFG = 1051; //设置IP报警输入接入配置信息

        //IP报警输出接入配置参数 （NET_DVR_IPALARMOUTCFG结构）
        public const int NET_DVR_GET_IPALARMOUTCFG = 1052;//获取IP报警输出接入配置信息 
        public const int NET_DVR_SET_IPALARMOUTCFG = 1053;//设置IP报警输出接入配置信息

        //硬盘管理的参数获取 (NET_DVR_HDCFG结构)
        public const int NET_DVR_GET_HDCFG = 1054;//获取硬盘管理配置参数
        public const int NET_DVR_SET_HDCFG = 1055;//设置硬盘管理配置参数

        //盘组管理的参数获取 (NET_DVR_HDGROUP_CFG结构)
        public const int NET_DVR_GET_HDGROUP_CFG = 1056;//获取盘组管理配置参数
        public const int NET_DVR_SET_HDGROUP_CFG = 1057;//设置盘组管理配置参数

        //设备编码类型配置(NET_DVR_COMPRESSION_AUDIO结构)
        public const int NET_DVR_GET_COMPRESSCFG_AUD = 1058;//获取设备语音对讲编码参数
        public const int NET_DVR_SET_COMPRESSCFG_AUD = 1059;//设置设备语音对讲编码参数

        //IP接入配置参数 （NET_DVR_IPPARACFG_V31结构）
        public const int NET_DVR_GET_IPPARACFG_V31 = 1060;//获取IP接入配置信息 
        public const int NET_DVR_SET_IPPARACFG_V31 = 1061; //设置IP接入配置信息

        //设备参数配置 （NET_DVR_DEVICECFG_V40结构）
        public const int NET_DVR_GET_DEVICECFG_V40 = 1100;//获取设备参数
        public const int NET_DVR_SET_DEVICECFG_V40 = 1101;//设置设备参数

        //多网卡配置(NET_DVR_NETCFG_MULTI结构)
        public const int NET_DVR_GET_NETCFG_MULTI = 1161;
        public const int NET_DVR_SET_NETCFG_MULTI = 1162;

        //BONDING网卡(NET_DVR_NETWORK_BONDING结构)
        public const int NET_DVR_GET_NETWORK_BONDING = 1254;
        public const int NET_DVR_SET_NETWORK_BONDING = 1255;

        //NAT映射配置参数 （NET_DVR_NAT_CFG结构）
        public const int NET_DVR_GET_NAT_CFG = 6111;    //获取NAT映射参数
        public const int NET_DVR_SET_NAT_CFG = 6112;    //设置NAT映射参数  
        /*************************参数配置命令 end*******************************/

        /************************DVR日志 begin***************************/
        /* 报警 */
        //主类型
        public const int MAJOR_ALARM = 1;
        //次类型
        public const int MINOR_ALARM_IN = 1;/* 报警输入 */
        public const int MINOR_ALARM_OUT = 2;/* 报警输出 */
        public const int MINOR_MOTDET_START = 3; /* 移动侦测报警开始 */
        public const int MINOR_MOTDET_STOP = 4; /* 移动侦测报警结束 */
        public const int MINOR_HIDE_ALARM_START = 5;/* 遮挡报警开始 */
        public const int MINOR_HIDE_ALARM_STOP = 6;/* 遮挡报警结束 */
        public const int MINOR_VCA_ALARM_START = 7;/*智能报警开始*/
        public const int MINOR_VCA_ALARM_STOP = 8;/*智能报警停止*/

        /* 异常 */
        //主类型
        public const int MAJOR_EXCEPTION = 2;
        //次类型
        public const int MINOR_VI_LOST = 33;/* 视频信号丢失 */
        public const int MINOR_ILLEGAL_ACCESS = 34;/* 非法访问 */
        public const int MINOR_HD_FULL = 35;/* 硬盘满 */
        public const int MINOR_HD_ERROR = 36;/* 硬盘错误 */
        public const int MINOR_DCD_LOST = 37;/* MODEM 掉线(保留不使用) */
        public const int MINOR_IP_CONFLICT = 38;/* IP地址冲突 */
        public const int MINOR_NET_BROKEN = 39;/* 网络断开*/
        public const int MINOR_REC_ERROR = 40;/* 录像出错 */
        public const int MINOR_IPC_NO_LINK = 41;/* IPC连接异常 */
        public const int MINOR_VI_EXCEPTION = 42;/* 视频输入异常(只针对模拟通道) */
        public const int MINOR_IPC_IP_CONFLICT = 43;/*ipc ip 地址 冲突*/

        //视频综合平台
        public const int MINOR_FANABNORMAL = 49;/* 视频综合平台：风扇状态异常 */
        public const int MINOR_FANRESUME = 50;/* 视频综合平台：风扇状态恢复正常 */
        public const int MINOR_SUBSYSTEM_ABNORMALREBOOT = 51;/* 视频综合平台：6467异常重启 */
        public const int MINOR_MATRIX_STARTBUZZER = 52;/* 视频综合平台：dm6467异常，启动蜂鸣器 */

        /* 操作 */
        //主类型
        public const int MAJOR_OPERATION = 3;
        //次类型
        public const int MINOR_START_DVR = 65;/* 开机 */
        public const int MINOR_STOP_DVR = 66;/* 关机 */
        public const int MINOR_STOP_ABNORMAL = 67;/* 异常关机 */
        public const int MINOR_REBOOT_DVR = 68;/*本地重启设备*/

        public const int MINOR_LOCAL_LOGIN = 80;/* 本地登陆 */
        public const int MINOR_LOCAL_LOGOUT = 81;/* 本地注销登陆 */
        public const int MINOR_LOCAL_CFG_PARM = 82;/* 本地配置参数 */
        public const int MINOR_LOCAL_PLAYBYFILE = 83;/* 本地按文件回放或下载 */
        public const int MINOR_LOCAL_PLAYBYTIME = 84;/* 本地按时间回放或下载*/
        public const int MINOR_LOCAL_START_REC = 85;/* 本地开始录像 */
        public const int MINOR_LOCAL_STOP_REC = 86;/* 本地停止录像 */
        public const int MINOR_LOCAL_PTZCTRL = 87;/* 本地云台控制 */
        public const int MINOR_LOCAL_PREVIEW = 88;/* 本地预览 (保留不使用)*/
        public const int MINOR_LOCAL_MODIFY_TIME = 89;/* 本地修改时间(保留不使用) */
        public const int MINOR_LOCAL_UPGRADE = 90;/* 本地升级 */
        public const int MINOR_LOCAL_RECFILE_OUTPUT = 91;/* 本地备份录象文件 */
        public const int MINOR_LOCAL_FORMAT_HDD = 92;/* 本地初始化硬盘 */
        public const int MINOR_LOCAL_CFGFILE_OUTPUT = 93;/* 导出本地配置文件 */
        public const int MINOR_LOCAL_CFGFILE_INPUT = 94;/* 导入本地配置文件 */
        public const int MINOR_LOCAL_COPYFILE = 95;/* 本地备份文件 */
        public const int MINOR_LOCAL_LOCKFILE = 96;/* 本地锁定录像文件 */
        public const int MINOR_LOCAL_UNLOCKFILE = 97;/* 本地解锁录像文件 */
        public const int MINOR_LOCAL_DVR_ALARM = 98;/* 本地手动清除和触发报警*/
        public const int MINOR_IPC_ADD = 99;/* 本地添加IPC */
        public const int MINOR_IPC_DEL = 100;/* 本地删除IPC */
        public const int MINOR_IPC_SET = 101;/* 本地设置IPC */
        public const int MINOR_LOCAL_START_BACKUP = 102;/* 本地开始备份 */
        public const int MINOR_LOCAL_STOP_BACKUP = 103;/* 本地停止备份*/
        public const int MINOR_LOCAL_COPYFILE_START_TIME = 104;/* 本地备份开始时间*/
        public const int MINOR_LOCAL_COPYFILE_END_TIME = 105;/* 本地备份结束时间*/
        public const int MINOR_LOCAL_ADD_NAS = 106;/*本地添加网络硬盘*/
        public const int MINOR_LOCAL_DEL_NAS = 107;/* 本地删除nas盘*/
        public const int MINOR_LOCAL_SET_NAS = 108;/* 本地设置nas盘*/

        public const int MINOR_REMOTE_LOGIN = 112;/* 远程登录 */
        public const int MINOR_REMOTE_LOGOUT = 113;/* 远程注销登陆 */
        public const int MINOR_REMOTE_START_REC = 114;/* 远程开始录像 */
        public const int MINOR_REMOTE_STOP_REC = 115;/* 远程停止录像 */
        public const int MINOR_START_TRANS_CHAN = 116;/* 开始透明传输 */
        public const int MINOR_STOP_TRANS_CHAN = 117;/* 停止透明传输 */
        public const int MINOR_REMOTE_GET_PARM = 118;/* 远程获取参数 */
        public const int MINOR_REMOTE_CFG_PARM = 119;/* 远程配置参数 */
        public const int MINOR_REMOTE_GET_STATUS = 120;/* 远程获取状态 */
        public const int MINOR_REMOTE_ARM = 121;/* 远程布防 */
        public const int MINOR_REMOTE_DISARM = 122;/* 远程撤防 */
        public const int MINOR_REMOTE_REBOOT = 123;/* 远程重启 */
        public const int MINOR_START_VT = 124;/* 开始语音对讲 */
        public const int MINOR_STOP_VT = 125;/* 停止语音对讲 */
        public const int MINOR_REMOTE_UPGRADE = 126;/* 远程升级 */
        public const int MINOR_REMOTE_PLAYBYFILE = 127;/* 远程按文件回放 */
        public const int MINOR_REMOTE_PLAYBYTIME = 128;/* 远程按时间回放 */
        public const int MINOR_REMOTE_PTZCTRL = 129;/* 远程云台控制 */
        public const int MINOR_REMOTE_FORMAT_HDD = 130;/* 远程格式化硬盘 */
        public const int MINOR_REMOTE_STOP = 131;/* 远程关机 */
        public const int MINOR_REMOTE_LOCKFILE = 132;/* 远程锁定文件 */
        public const int MINOR_REMOTE_UNLOCKFILE = 133;/* 远程解锁文件 */
        public const int MINOR_REMOTE_CFGFILE_OUTPUT = 134;/* 远程导出配置文件 */
        public const int MINOR_REMOTE_CFGFILE_INTPUT = 135;/* 远程导入配置文件 */
        public const int MINOR_REMOTE_RECFILE_OUTPUT = 136;/* 远程导出录象文件 */
        public const int MINOR_REMOTE_DVR_ALARM = 137;/* 远程手动清除和触发报警*/
        public const int MINOR_REMOTE_IPC_ADD = 138;/* 远程添加IPC */
        public const int MINOR_REMOTE_IPC_DEL = 139;/* 远程删除IPC */
        public const int MINOR_REMOTE_IPC_SET = 140;/* 远程设置IPC */
        public const int MINOR_REBOOT_VCA_LIB = 141;/*重启智能库*/
        public const int MINOR_REMOTE_ADD_NAS = 142;/* 远程添加nas盘*/
        public const int MINOR_REMOTE_DEL_NAS = 143;/* 远程删除nas盘*/
        public const int MINOR_REMOTE_SET_NAS = 144;/* 远程设置nas盘*/

        //2009-12-16 增加视频综合平台日志类型
        public const int MINOR_SUBSYSTEMREBOOT = 160;/*视频综合平台：dm6467 正常重启*/
        public const int MINOR_MATRIX_STARTTRANSFERVIDEO = 161;	/*视频综合平台：矩阵切换开始传输图像*/
        public const int MINOR_MATRIX_STOPTRANSFERVIDEO = 162;	/*视频综合平台：矩阵切换停止传输图像*/
        public const int MINOR_REMOTE_SET_ALLSUBSYSTEM = 163;	/*视频综合平台：设置所有6467子系统信息*/
        public const int MINOR_REMOTE_GET_ALLSUBSYSTEM = 164;	/*视频综合平台：获取所有6467子系统信息*/
        public const int MINOR_REMOTE_SET_PLANARRAY = 165;	/*视频综合平台：设置计划轮询组*/
        public const int MINOR_REMOTE_GET_PLANARRAY = 166;	/*视频综合平台：获取计划轮询组*/
        public const int MINOR_MATRIX_STARTTRANSFERAUDIO = 167;	/*视频综合平台：矩阵切换开始传输音频*/
        public const int MINOR_MATRIX_STOPRANSFERAUDIO = 168;	/*视频综合平台：矩阵切换停止传输音频*/
        public const int MINOR_LOGON_CODESPITTER = 169;	/*视频综合平台：登陆码分器*/
        public const int MINOR_LOGOFF_CODESPITTER = 170;	/*视频综合平台：退出码分器*/

        /*日志附加信息*/
        //主类型
        public const int MAJOR_INFORMATION = 4;/*附加信息*/
        //次类型
        public const int MINOR_HDD_INFO = 161;/*硬盘信息*/
        public const int MINOR_SMART_INFO = 162;/*SMART信息*/
        public const int MINOR_REC_START = 163;/*开始录像*/
        public const int MINOR_REC_STOP = 164;/*停止录像*/
        public const int MINOR_REC_OVERDUE = 165;/*过期录像删除*/
        public const int MINOR_LINK_START = 166;//连接前端设备
        public const int MINOR_LINK_STOP = 167;//断开前端设备　
        public const int MINOR_NET_DISK_INFO = 168;//网络硬盘信息

        //当日志的主类型为MAJOR_OPERATION=03，次类型为MINOR_LOCAL_CFG_PARM=0x52或者MINOR_REMOTE_GET_PARM=0x76或者MINOR_REMOTE_CFG_PARM=0x77时，dwParaType:参数类型有效，其含义如下：
        public const int PARA_VIDEOOUT = 1;
        public const int PARA_IMAGE = 2;
        public const int PARA_ENCODE = 4;
        public const int PARA_NETWORK = 8;
        public const int PARA_ALARM = 16;
        public const int PARA_EXCEPTION = 32;
        public const int PARA_DECODER = 64;/*解码器*/
        public const int PARA_RS232 = 128;
        public const int PARA_PREVIEW = 256;
        public const int PARA_SECURITY = 512;
        public const int PARA_DATETIME = 1024;
        public const int PARA_FRAMETYPE = 2048;/*帧格式*/
        //vca
        public const int PARA_VCA_RULE = 4096;//行为规则
        /************************DVR日志 End***************************/


        /*******************查找文件和日志函数返回值*************************/
        public const int NET_DVR_FILE_SUCCESS = 1000;//获得文件信息
        public const int NET_DVR_FILE_NOFIND = 1001;//没有文件
        public const int NET_DVR_ISFINDING = 1002;//正在查找文件
        public const int NET_DVR_NOMOREFILE = 1003;//查找文件时没有更多的文件
        public const int NET_DVR_FILE_EXCEPTION = 1004;//查找文件时异常

        /*********************回调函数类型 begin************************/
        public const int COMM_ALARM = 0x1100;//8000报警信息主动上传，对应NET_DVR_ALARMINFO
        public const int COMM_ALARM_RULE = 0x1102;//行为分析报警信息，对应NET_VCA_RULE_ALARM
        public const int COMM_ALARM_PDC = 0x1103;//人流量统计报警上传，对应NET_DVR_PDC_ALRAM_INFO
        public const int COMM_ALARM_ALARMHOST = 0x1105;//网络报警主机报警上传，对应NET_DVR_ALARMHOST_ALARMINFO
        public const int COMM_ALARM_FACE = 0x1106;//人脸检测识别报警信息，对应NET_DVR_FACEDETECT_ALARM
        public const int COMM_RULE_INFO_UPLOAD = 0x1107;  // 事件数据信息上传
        public const int COMM_ALARM_AID = 0x1110;  //交通事件报警信息
        public const int COMM_ALARM_TPS = 0x1111;  //交通参数统计报警信息
        public const int COMM_UPLOAD_FACESNAP_RESULT = 0x1112;  //人脸识别结果上传
        public const int COMM_ALARM_FACE_DETECTION = 0x4010; //人脸侦测报警信息
        public const int COMM_ALARM_TFS = 0x1113;  //交通取证报警信息
        public const int COMM_ALARM_TPS_V41 = 0x1114;  //交通参数统计报警信息扩展
        public const int COMM_ALARM_AID_V41 = 0x1115;  //交通事件报警信息扩展
        public const int COMM_ALARM_VQD_EX = 0x1116;	 //视频质量诊断报警
        public const int COMM_SENSOR_VALUE_UPLOAD = 0x1120;  //模拟量数据实时上传
        public const int COMM_SENSOR_ALARM = 0x1121;  //模拟量报警上传
        public const int COMM_SWITCH_ALARM = 0x1122;	 //开关量报警
        public const int COMM_ALARMHOST_EXCEPTION = 0x1123; //报警主机故障报警
        public const int COMM_ALARMHOST_OPERATEEVENT_ALARM = 0x1124;  //操作事件报警上传
        public const int COMM_ALARMHOST_SAFETYCABINSTATE = 0x1125;	 //防护舱状态
        public const int COMM_ALARMHOST_ALARMOUTSTATUS = 0x1126;	 //报警输出口/警号状态
        public const int COMM_ALARMHOST_CID_ALARM = 0x1127;	 //CID报告报警上传
        public const int COMM_ALARMHOST_EXTERNAL_DEVICE_ALARM = 0x1128;	 //报警主机外接设备报警上传
        public const int COMM_ALARMHOST_DATA_UPLOAD = 0x1129;	 //报警数据上传
        public const int COMM_ALARM_AUDIOEXCEPTION = 0x1150;	 //声音报警信息
        public const int COMM_ALARM_DEFOCUS = 0x1151;	 //虚焦报警信息
        public const int COMM_ALARM_BUTTON_DOWN_EXCEPTION = 0x1152;	 //按钮按下报警信息
        public const int COMM_ALARM_ALARMGPS = 0x1202; //GPS报警信息上传
        public const int COMM_TRADEINFO = 0x1500;  //ATMDVR主动上传交易信息
        public const int COMM_UPLOAD_PLATE_RESULT = 0x2800;	 //上传车牌信息
        public const int COMM_ITC_STATUS_DETECT_RESULT = 0x2810;  //实时状态检测结果上传(智能高清IPC)
        public const int COMM_IPC_AUXALARM_RESULT = 0x2820;  //PIR报警、无线报警、呼救报警上传
        public const int COMM_UPLOAD_PICTUREINFO = 0x2900;	 //上传图片信息
        public const int COMM_SNAP_MATCH_ALARM = 0x2902;  //黑名单比对结果上传
        public const int COMM_ITS_PLATE_RESULT = 0x3050;  //终端图片上传
        public const int COMM_ITS_TRAFFIC_COLLECT = 0x3051;  //终端统计数据上传
        public const int COMM_ITS_GATE_VEHICLE = 0x3052;  //出入口车辆抓拍数据上传
        public const int COMM_ITS_GATE_FACE = 0x3053; //出入口人脸抓拍数据上传
        public const int COMM_ITS_GATE_COSTITEM = 0x3054;  //出入口过车收费明细 2013-11-19
        public const int COMM_ITS_GATE_HANDOVER = 0x3055; //出入口交接班数据 2013-11-19
        public const int COMM_ITS_PARK_VEHICLE = 0x3056;  //停车场数据上传
        public const int COMM_ITS_BLACKLIST_ALARM = 0x3057;  //黑名单报警上传
        public const int COMM_ALARM_V30 = 0x4000;	 //9000报警信息主动上传
        public const int COMM_IPCCFG = 0x4001;	 //9000设备IPC接入配置改变报警信息主动上传
        public const int COMM_IPCCFG_V31 = 0x4002;	 //9000设备IPC接入配置改变报警信息主动上传扩展 9000_1.1
        public const int COMM_IPCCFG_V40 = 0x4003; // IVMS 2000 编码服务器 NVR IPC接入配置改变时报警信息上传
        public const int COMM_ALARM_DEVICE = 0x4004;  //设备报警内容，由于通道值大于256而扩展
        public const int COMM_ALARM_CVR = 0x4005;  //CVR 2.0.X外部报警类型
        public const int COMM_ALARM_HOT_SPARE = 0x4006;  //热备异常报警（N+1模式异常报警）
        public const int COMM_ALARM_V40 = 0x4007;	//移动侦测，视频丢失，遮挡，IO信号量等报警信息主动上传，报警数据为可变长

        public const int COMM_ITS_ROAD_EXCEPTION = 0x4500;	 //路口设备异常报警
        public const int COMM_ITS_EXTERNAL_CONTROL_ALARM = 0x4520;  //外控报警
        public const int COMM_SCREEN_ALARM = 0x5000;  //多屏控制器报警类型
        public const int COMM_DVCS_STATE_ALARM = 0x5001;  //分布式大屏控制器报警上传
        public const int COMM_ALARM_VQD = 0x6000;  //VQD主动报警上传 
        public const int COMM_PUSH_UPDATE_RECORD_INFO = 0x6001;  //推模式录像信息上传
        public const int COMM_DIAGNOSIS_UPLOAD = 0x5100;  //诊断服务器VQD报警上传
        public const int COMM_ALARM_ACS = 0x5002;  //门禁主机报警
        public const int COMM_ID_INFO_ALARM = 0x5200;  //身份证信息上传
        public const int COMM_PASSNUM_INFO_ALARM = 0x5201;  //通行人数上报

        /*************操作异常类型(消息方式, 回调方式(保留))****************/
        public const int EXCEPTION_EXCHANGE = 32768;//用户交互时异常
        public const int EXCEPTION_AUDIOEXCHANGE = 32769;//语音对讲异常
        public const int EXCEPTION_ALARM = 32770;//报警异常
        public const int EXCEPTION_PREVIEW = 32771;//网络预览异常
        public const int EXCEPTION_SERIAL = 32772;//透明通道异常
        public const int EXCEPTION_RECONNECT = 32773;//预览时重连
        public const int EXCEPTION_ALARMRECONNECT = 32774;//报警时重连
        public const int EXCEPTION_SERIALRECONNECT = 32775;//透明通道重连
        public const int EXCEPTION_PLAYBACK = 32784;//回放异常
        public const int EXCEPTION_DISKFMT = 32785;//硬盘格式化

        /********************预览回调函数*********************/
        public const int NET_DVR_SYSHEAD = 1;//系统头数据
        public const int NET_DVR_STREAMDATA = 2;//视频流数据（包括复合流和音视频分开的视频流数据）
        public const int NET_DVR_AUDIOSTREAMDATA = 3;//音频流数据
        public const int NET_DVR_STD_VIDEODATA = 4;//标准视频流数据
        public const int NET_DVR_STD_AUDIODATA = 5;//标准音频流数据

        //回调预览中的状态和消息
        public const int NET_DVR_REALPLAYEXCEPTION = 111;//预览异常
        public const int NET_DVR_REALPLAYNETCLOSE = 112;//预览时连接断开
        public const int NET_DVR_REALPLAY5SNODATA = 113;//预览5s没有收到数据
        public const int NET_DVR_REALPLAYRECONNECT = 114;//预览重连

        /********************回放回调函数*********************/
        public const int NET_DVR_PLAYBACKOVER = 101;//回放数据播放完毕
        public const int NET_DVR_PLAYBACKEXCEPTION = 102;//回放异常
        public const int NET_DVR_PLAYBACKNETCLOSE = 103;//回放时候连接断开
        public const int NET_DVR_PLAYBACK5SNODATA = 104;//回放5s没有收到数据

        /*********************回调函数类型 end************************/
        //设备型号(DVR类型)
        /* 设备类型 */
        public const int DVR = 1;/*对尚未定义的dvr类型返回NETRET_DVR*/
        public const int ATMDVR = 2;/*atm dvr*/
        public const int DVS = 3;/*DVS*/
        public const int DEC = 4;/* 6001D */
        public const int ENC_DEC = 5;/* 6001F */
        public const int DVR_HC = 6;/*8000HC*/
        public const int DVR_HT = 7;/*8000HT*/
        public const int DVR_HF = 8;/*8000HF*/
        public const int DVR_HS = 9;/* 8000HS DVR(no audio) */
        public const int DVR_HTS = 10; /* 8016HTS DVR(no audio) */
        public const int DVR_HB = 11; /* HB DVR(SATA HD) */
        public const int DVR_HCS = 12; /* 8000HCS DVR */
        public const int DVS_A = 13; /* 带ATA硬盘的DVS */
        public const int DVR_HC_S = 14; /* 8000HC-S */
        public const int DVR_HT_S = 15;/* 8000HT-S */
        public const int DVR_HF_S = 16;/* 8000HF-S */
        public const int DVR_HS_S = 17; /* 8000HS-S */
        public const int ATMDVR_S = 18;/* ATM-S */
        public const int LOWCOST_DVR = 19;/*7000H系列*/
        public const int DEC_MAT = 20; /*多路解码器*/
        public const int DVR_MOBILE = 21;/* mobile DVR */
        public const int DVR_HD_S = 22;   /* 8000HD-S */
        public const int DVR_HD_SL = 23;/* 8000HD-SL */
        public const int DVR_HC_SL = 24;/* 8000HC-SL */
        public const int DVR_HS_ST = 25;/* 8000HS_ST */
        public const int DVS_HW = 26; /* 6000HW */
        public const int DS630X_D = 27; /* 多路解码器 */
        public const int IPCAM = 30;/*IP 摄像机*/
        public const int MEGA_IPCAM = 31;/*X52MF系列,752MF,852MF*/
        public const int IPCAM_X62MF = 32;/*X62MF系列可接入9000设备,762MF,862MF*/
        public const int IPDOME = 40; /*IP 标清球机*/
        public const int IPDOME_MEGA200 = 41;/*IP 200万高清球机*/
        public const int IPDOME_MEGA130 = 42;/*IP 130万高清球机*/
        public const int IPMOD = 50;/*IP 模块*/
        public const int DS71XX_H = 71;/* DS71XXH_S */
        public const int DS72XX_H_S = 72;/* DS72XXH_S */
        public const int DS73XX_H_S = 73;/* DS73XXH_S */
        public const int DS76XX_H_S = 76;/* DS76XX_H_S */
        public const int DS81XX_HS_S = 81;/* DS81XX_HS_S */
        public const int DS81XX_HL_S = 82;/* DS81XX_HL_S */
        public const int DS81XX_HC_S = 83;/* DS81XX_HC_S */
        public const int DS81XX_HD_S = 84;/* DS81XX_HD_S */
        public const int DS81XX_HE_S = 85;/* DS81XX_HE_S */
        public const int DS81XX_HF_S = 86;/* DS81XX_HF_S */
        public const int DS81XX_AH_S = 87;/* DS81XX_AH_S */
        public const int DS81XX_AHF_S = 88;/* DS81XX_AHF_S */
        public const int DS90XX_HF_S = 90;  /*DS90XX_HF_S*/
        public const int DS91XX_HF_S = 91;  /*DS91XX_HF_S*/
        public const int DS91XX_HD_S = 92; /*91XXHD-S(MD)*/
        /**********************设备类型 end***********************/

        /*************************************************
        参数配置结构、参数(其中_V30为9000新增)
        **************************************************/
        //校时结构参数
        [StructLayout(LayoutKind.Sequential)]
        public struct NET_DVR_TIME
        {
            public uint dwYear;
            public uint dwMonth;
            public uint dwDay;
            public uint dwHour;
            public uint dwMinute;
            public uint dwSecond;
        }

        //时间参数
        [StructLayout(LayoutKind.Sequential)]
        public struct NET_DVR_TIME_V30
        {
            public ushort wYear;
            public byte byMonth;
            public byte byDay;
            public byte byHour;
            public byte byMinute;
            public byte bySecond;
            public byte byRes;
            public ushort wMilliSec;
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 2, ArraySubType = UnmanagedType.I1)]
            public byte[] byRes1;
        }

        [StructLayout(LayoutKind.Sequential)]
        public struct NET_DVR_TIME_EX
        {
            public ushort wYear;
            public byte byMonth;
            public byte byDay;
            public byte byHour;
            public byte byMinute;
            public byte bySecond;
            public byte byRes;
        }

        //时间段(子结构)
        [StructLayout(LayoutKind.Sequential)]
        public struct NET_DVR_SCHEDTIME
        {
            public byte byStartHour;//开始时间
            public byte byStartMin;//开始时间
            public byte byStopHour;//结束时间
            public byte byStopMin;//结束时间
        }

        /*设备报警和异常处理方式*/
        public const int NOACTION = 0x0;/*无响应*/
        public const int WARNONMONITOR = 0x1;/*监视器上警告*/
        public const int WARNONAUDIOOUT = 0x2;/*声音警告*/
        public const int UPTOCENTER = 0x4;/*上传中心*/
        public const int TRIGGERALARMOUT = 0x8;/*触发报警输出*/
        public const int TRIGGERCATPIC = 0x10;/*触发抓图并上传E-mail*/
        public const int SEND_PIC_FTP = 0x200;  /*抓图并上传ftp*/

        [StructLayout(LayoutKind.Sequential)]
        public struct NET_DVR_STRUCTHEAD
        {
            public ushort wLength;  //结构长度
            public byte byVersion;	/*高低4位分别代表高低版本，后续根据版本和长度进行扩展，不同的版本的长度进行限制*/
            public byte byRes;
        }

        [StructLayout(LayoutKind.Sequential)]
        public struct NET_DVR_HANDLEEXCEPTION_V41
        {
            public uint dwHandleType;/*处理方式,处理方式的"或"结果*/
                                     /*0x00: 无响应*/
                                     /*0x01: 监视器上警告*/
                                     /*0x02: 声音警告*/
                                     /*0x04: 上传中心*/
                                     /*0x08: 触发报警输出*/
                                     /*0x10: 触发JPRG抓图并上传Email*/
                                     /*0x20: 无线声光报警器联动*/
                                     /*0x40: 联动电子地图(目前只有PCNVR支持)*/
                                     /*0x200: 抓图并上传FTP*/
            public uint dwMaxRelAlarmOutChanNum; //触发的报警输出通道数（只读）最大支持数
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = MAX_ALARMOUT_V40, ArraySubType = UnmanagedType.U4)]
            public uint[] dwRelAlarmOut; //触发报警通道      
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 64, ArraySubType = UnmanagedType.I1)]
            public byte[] byRes;           //保留
        }

        [StructLayout(LayoutKind.Sequential)]
        public struct NET_DVR_HANDLEEXCEPTION_V40
        {
            public uint dwHandleType;/*处理方式,处理方式的"或"结果*/
                                     /*0x00: 无响应*/
                                     /*0x01: 监视器上警告*/
                                     /*0x02: 声音警告*/
                                     /*0x04: 上传中心*/
                                     /*0x08: 触发报警输出*/
                                     /*0x10: 触发JPRG抓图并上传Email*/
                                     /*0x20: 无线声光报警器联动*/
                                     /*0x40: 联动电子地图(目前只有PCNVR支持)*/
                                     /*0x200: 抓图并上传FTP*/
            public uint dwMaxRelAlarmOutChanNum; //触发的报警输出通道数（只读）最大支持数
            public uint dwRelAlarmOutChanNum; //触发的报警输出通道数 实际支持数
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = MAX_CHANNUM_V30, ArraySubType = UnmanagedType.U4)]
            public uint[] dwRelAlarmOut; //触发报警通道      
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 64, ArraySubType = UnmanagedType.I1)]
            public byte[] byRes;           //保留
        }

        //报警和异常处理结构(子结构)(多处使用)(9000扩展)
        [StructLayout(LayoutKind.Sequential)]
        public struct NET_DVR_HANDLEEXCEPTION_V30
        {
            public uint dwHandleType;/*处理方式,处理方式的"或"结果*/
            /*0x00: 无响应*/
            /*0x01: 监视器上警告*/
            /*0x02: 声音警告*/
            /*0x04: 上传中心*/
            /*0x08: 触发报警输出*/
            /*0x10: 触发JPRG抓图并上传Email*/
            /*0x20: 无线声光报警器联动*/
            /*0x40: 联动电子地图(目前只有PCNVR支持)*/
            /*0x200: 抓图并上传FTP*/
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = MAX_ALARMOUT_V30, ArraySubType = UnmanagedType.I1)]
            public byte[] byRelAlarmOut;//报警触发的输出通道,报警触发的输出,为1表示触发该输出
        }

        //报警和异常处理结构(子结构)(多处使用)
        [StructLayout(LayoutKind.Sequential)]
        public struct NET_DVR_HANDLEEXCEPTION
        {
            public uint dwHandleType;/*处理方式,处理方式的"或"结果*/
            /*0x00: 无响应*/
            /*0x01: 监视器上警告*/
            /*0x02: 声音警告*/
            /*0x04: 上传中心*/
            /*0x08: 触发报警输出*/
            /*0x10: Jpeg抓图并上传EMail*/
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = MAX_ALARMOUT, ArraySubType = UnmanagedType.I1)]
            public byte[] byRelAlarmOut;//报警触发的输出通道,报警触发的输出,为1表示触发该输出
        }

        //DVR设备参数
        [StructLayout(LayoutKind.Sequential)]
        public struct NET_DVR_DEVICECFG
        {
            public uint dwSize;
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = NAME_LEN, ArraySubType = UnmanagedType.I1)]
            public byte[] sDVRName;//DVR名称
            public uint dwDVRID;//DVR ID,用于遥控器 //V1.4(0-99), V1.5(0-255)
            public uint dwRecycleRecord;//是否循环录像,0:不是; 1:是
            //以下不可更改
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = SERIALNO_LEN, ArraySubType = UnmanagedType.I1)]
            public byte[] sSerialNumber;//序列号
            public uint dwSoftwareVersion;//软件版本号,高16位是主版本,低16位是次版本
            public uint dwSoftwareBuildDate;//软件生成日期,0xYYYYMMDD
            public uint dwDSPSoftwareVersion;//DSP软件版本,高16位是主版本,低16位是次版本
            public uint dwDSPSoftwareBuildDate;// DSP软件生成日期,0xYYYYMMDD
            public uint dwPanelVersion;// 前面板版本,高16位是主版本,低16位是次版本
            public uint dwHardwareVersion;// 硬件版本,高16位是主版本,低16位是次版本
            public byte byAlarmInPortNum;//DVR报警输入个数
            public byte byAlarmOutPortNum;//DVR报警输出个数
            public byte byRS232Num;//DVR 232串口个数
            public byte byRS485Num;//DVR 485串口个数
            public byte byNetworkPortNum;//网络口个数
            public byte byDiskCtrlNum;//DVR 硬盘控制器个数
            public byte byDiskNum;//DVR 硬盘个数
            public byte byDVRType;//DVR类型, 1:DVR 2:ATM DVR 3:DVS ......
            public byte byChanNum;//DVR 通道个数
            public byte byStartChan;//起始通道号,例如DVS-1,DVR - 1
            public byte byDecordChans;//DVR 解码路数
            public byte byVGANum;//VGA口的个数
            public byte byUSBNum;//USB口的个数
            public byte byAuxoutNum;//辅口的个数
            public byte byAudioNum;//语音口的个数
            public byte byIPChanNum;//最大数字通道数
        }

        /*IP地址*/
        [StructLayout(LayoutKind.Sequential, CharSet = CharSet.Ansi)]
        public struct NET_DVR_IPADDR
        {

            /// char[16]
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 16, ArraySubType = UnmanagedType.I1)]
            public byte[] sIpV4;

            /// BYTE[128]
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 128, ArraySubType = UnmanagedType.I1)]
            public byte[] sIpV6;

            public void Init()
            {
                sIpV4 = new byte[16];
                sIpV6 = new byte[128];
            }
        }

        /*网络数据结构(子结构)(9000扩展)*/
        [StructLayout(LayoutKind.Sequential)]
        public struct NET_DVR_ETHERNET_V30
        {
            public NET_DVR_IPADDR struDVRIP;//DVR IP地址
            public NET_DVR_IPADDR struDVRIPMask;//DVR IP地址掩码
            public uint dwNetInterface;//网络接口：1-10MBase-T；2-10MBase-T全双工；3-100MBase-TX；4-100M全双工；5-10M/100M/1000M自适应；6-1000M全双工
            public ushort wDVRPort;//端口号
            public ushort wMTU;//增加MTU设置，默认1500。
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = MACADDR_LEN, ArraySubType = UnmanagedType.I1)]
            public byte[] byMACAddr;// 物理地址
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 2, ArraySubType = UnmanagedType.I1)]
            public byte[] byRes;
        }

        /*网络数据结构(子结构)*/
        [StructLayout(LayoutKind.Sequential, CharSet = CharSet.Ansi)]
        public struct NET_DVR_ETHERNET
        {
            [MarshalAs(UnmanagedType.ByValTStr, SizeConst = 16)]
            public string sDVRIP;//DVR IP地址
            [MarshalAs(UnmanagedType.ByValTStr, SizeConst = 16)]
            public string sDVRIPMask;//DVR IP地址掩码
            public uint dwNetInterface;//网络接口 1-10MBase-T 2-10MBase-T全双工 3-100MBase-TX 4-100M全双工 5-10M/100M自适应
            public ushort wDVRPort;//端口号
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = MACADDR_LEN, ArraySubType = UnmanagedType.I1)]
            public byte[] byMACAddr;//服务器的物理地址
        }

        //pppoe结构
        [StructLayout(LayoutKind.Sequential, CharSet = CharSet.Ansi)]
        public struct NET_DVR_PPPOECFG
        {
            public uint dwPPPOE;//0-不启用,1-启用
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = NAME_LEN, ArraySubType = UnmanagedType.I1)]
            public byte[] sPPPoEUser;//PPPoE用户名
            [MarshalAs(UnmanagedType.ByValTStr, SizeConst = PASSWD_LEN)]
            public string sPPPoEPassword;// PPPoE密码
            public NET_DVR_IPADDR struPPPoEIP;//PPPoE IP地址
        }

        //网络配置结构(9000扩展)
        [StructLayout(LayoutKind.Sequential)]
        public struct NET_DVR_NETCFG_V30
        {
            public uint dwSize;
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = MAX_ETHERNET, ArraySubType = UnmanagedType.Struct)]
            public NET_DVR_ETHERNET_V30[] struEtherNet;//以太网口
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 2, ArraySubType = UnmanagedType.Struct)]
            public NET_DVR_IPADDR[] struRes1;/*保留*/
            public NET_DVR_IPADDR struAlarmHostIpAddr;/* 报警主机IP地址 */
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 4, ArraySubType = UnmanagedType.I1)]
            public byte[] byRes2;
            public ushort wAlarmHostIpPort;
            public byte byUseDhcp;
            public byte byRes3;
            public NET_DVR_IPADDR struDnsServer1IpAddr;/* 域名服务器1的IP地址 */
            public NET_DVR_IPADDR struDnsServer2IpAddr;/* 域名服务器2的IP地址 */
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = MAX_DOMAIN_NAME, ArraySubType = UnmanagedType.I1)]
            public byte[] byIpResolver;
            public ushort wIpResolverPort;
            public ushort wHttpPortNo;
            public NET_DVR_IPADDR struMulticastIpAddr;/* 多播组地址 */
            public NET_DVR_IPADDR struGatewayIpAddr;/* 网关地址 */
            public NET_DVR_PPPOECFG struPPPoE;
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 64, ArraySubType = UnmanagedType.I1)]
            public byte[] byRes;
        }

        //单个网卡配置信息结构体
        [StructLayout(LayoutKind.Sequential)]
        public struct NET_DVR_ETHERNET_MULTI
        {
            public NET_DVR_IPADDR struDVRIP;
            public NET_DVR_IPADDR struDVRIPMask;
            public uint dwNetInterface;
            public byte byCardType;  //网卡类型，0-普通网卡，1-内网网卡，2-外网网卡
            public byte byRes1;
            public ushort wMTU;
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = MACADDR_LEN, ArraySubType = UnmanagedType.I1)]
            public byte[] byMACAddr;
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 2, ArraySubType = UnmanagedType.I1)]
            public byte[] byRes2;
            public byte byUseDhcp;
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 3, ArraySubType = UnmanagedType.I1)]
            public byte[] byRes3;
            public NET_DVR_IPADDR struGatewayIpAddr;
            public NET_DVR_IPADDR struDnsServer1IpAddr;
            public NET_DVR_IPADDR struDnsServer2IpAddr;
        }

        //多网卡网络配置结构
        [StructLayout(LayoutKind.Sequential)]
        public struct NET_DVR_NETCFG_MULTI
        {
            public uint dwSize;
            public byte byDefaultRoute;
            public byte byNetworkCardNum;
            public byte byWorkMode;   //0-普通多网卡模式，1-内外网隔离模式
            public byte byRes;
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = MAX_NETWORK_CARD, ArraySubType = UnmanagedType.Struct)]
            public NET_DVR_ETHERNET_MULTI[] struEtherNet;//以太网口
            public NET_DVR_IPADDR struManageHost1IpAddr;
            public NET_DVR_IPADDR struManageHost2IpAddr;
            public NET_DVR_IPADDR struAlarmHostIpAddr;
            public ushort wManageHost1Port;
            public ushort wManageHost2Port;
            public ushort wAlarmHostIpPort;
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = MAX_DOMAIN_NAME, ArraySubType = UnmanagedType.I1)]
            public byte[] byIpResolver;
            public ushort wIpResolverPort;
            public ushort wDvrPort;
            public ushort wHttpPortNo;
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 6, ArraySubType = UnmanagedType.I1)]
            public byte[] byRes2;
            public NET_DVR_IPADDR struMulticastIpAddr;/* 多播组地址 */
            public NET_DVR_PPPOECFG struPPPoE;
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 24, ArraySubType = UnmanagedType.I1)]
            public byte[] byRes3;
        }

        //网络配置结构
        [StructLayout(LayoutKind.Sequential, CharSet = CharSet.Ansi)]
        public struct NET_DVR_NETCFG
        {
            public uint dwSize;
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = MAX_ETHERNET, ArraySubType = UnmanagedType.Struct)]
            public NET_DVR_ETHERNET[] struEtherNet;/* 以太网口 */
            [MarshalAs(UnmanagedType.ByValTStr, SizeConst = 16)]
            public string sManageHostIP;//远程管理主机地址
            public ushort wManageHostPort;//远程管理主机端口号
            [MarshalAs(UnmanagedType.ByValTStr, SizeConst = 16)]
            public string sIPServerIP;//IPServer服务器地址
            [MarshalAs(UnmanagedType.ByValTStr, SizeConst = 16)]
            public string sMultiCastIP;//多播组地址
            [MarshalAs(UnmanagedType.ByValTStr, SizeConst = 16)]
            public string sGatewayIP;//网关地址
            [MarshalAs(UnmanagedType.ByValTStr, SizeConst = 16)]
            public string sNFSIP;//NFS主机IP地址
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = PATHNAME_LEN, ArraySubType = UnmanagedType.I1)]
            public byte[] sNFSDirectory;//NFS目录
            public uint dwPPPOE;//0-不启用,1-启用
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = NAME_LEN, ArraySubType = UnmanagedType.I1)]
            public byte[] sPPPoEUser;//PPPoE用户名
            [MarshalAs(UnmanagedType.ByValTStr, SizeConst = PASSWD_LEN)]
            public string sPPPoEPassword;// PPPoE密码
            [MarshalAs(UnmanagedType.ByValTStr, SizeConst = 16)]
            public string sPPPoEIP;//PPPoE IP地址(只读)
            public ushort wHttpPort;//HTTP端口号
        }

        [StructLayout(LayoutKind.Sequential, CharSet = CharSet.Ansi)]
        public struct NET_DVR_SIP_CFG
        {
            public uint dwSize;
            public byte byEnableAutoLogin;    //使能自动注册，0-不使能，1-使能
            public byte byLoginStatus;  //注册状态，0-未注册，1-已注册，此参数只能获取
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 2, ArraySubType = UnmanagedType.I1)]
            public byte[] byRes1;
            public NET_DVR_IPADDR stuServerIP;  //SIP服务器IP
            public ushort wServerPort;    //SIP服务器端口
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 2, ArraySubType = UnmanagedType.I1)]
            public byte[] byRes2;
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = NAME_LEN, ArraySubType = UnmanagedType.I1)]
            public byte[] byUserName;  //注册用户名
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = PASSWD_LEN, ArraySubType = UnmanagedType.I1)]
            public byte[] byPassWord; //注册密码
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = MAX_NUMBER_LEN, ArraySubType = UnmanagedType.I1)]
            public byte[] byLocalNo;
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = MAX_NAME_LEN, ArraySubType = UnmanagedType.I1)]
            public byte[] byDispalyName; //设备显示名称
            public ushort wLocalPort;     //本地端口
            public byte byLoginCycle;   //注册周期，1-99分钟
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 129, ArraySubType = UnmanagedType.I1)]
            public byte[] byRes;
        }

        //IP可视对讲分机配置
        [StructLayout(LayoutKind.Sequential, CharSet = CharSet.Ansi)]
        public struct NET_DVR_IP_VIEW_DEVCFG
        {
            public uint dwSize;
            public byte byDefaultRing; //默认铃音，范围1-6
            public byte byRingVolume;  //铃音音量，范围0-9
            public byte byInputVolume; //输入音量值，范围0-6
            public byte byOutputVolume; //输出音量值，范围0-9	
            public ushort wRtpPort;  //Rtp端口
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 2, ArraySubType = UnmanagedType.I1)]
            public byte[] byRes1;
            public uint dwPreviewDelayTime; //预览延时配置，0-30秒
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 64, ArraySubType = UnmanagedType.I1)]
            public byte[] byRes2;
        }

        //Ip可视对讲音频相关参数配置
        [StructLayout(LayoutKind.Sequential, CharSet = CharSet.Ansi)]
        public struct NET_DVR_IP_VIEW_AUDIO_CFG
        {
            public uint dwSize;
            public byte byAudioEncPri1; //音频编码优先级1，0-OggVorbis，1-G711_U，2-G711_A， 5-MPEG2,6-G726，7-AAC
            public byte byAudioEncPri2; //音频编码优先级2，当sip服务器不支持音频编码1时会使用音频编码2，0-OggVorbis，1-G711_U，2-G711_A， 5-MPEG2,6-G726，7-AAC
            public ushort wAudioPacketLen1; //音频编码1数据包长度
            public ushort wAudioPacketLen2; //音频编码2数据包长度
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 30, ArraySubType = UnmanagedType.I1)]
            public byte[] byRes;
        }

        //IP分机呼叫对讲参数配置结构体
        [StructLayout(LayoutKind.Sequential, CharSet = CharSet.Ansi)]
        public struct NET_DVR_IP_VIEW_CALL_CFG
        {
            public uint dwSize;
            public byte byEnableAutoResponse; //使能自动应答,0-不使能，1-使能
            public byte byAudoResponseTime; //自动应答时间，0-30秒
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 2, ArraySubType = UnmanagedType.I1)]
            public byte[] byRes1;
            public byte byEnableAlarmNumber1; //启动报警号码1，0-不启动，1-启动
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 3, ArraySubType = UnmanagedType.I1)]
            public byte[] byRes;
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = MAX_NUMBER_LEN, ArraySubType = UnmanagedType.I1)]
            public byte[] byAlarmNumber1; //呼叫号码1
            public byte byEnableAlarmNumber2; //启动报警号码2，0-不启动，1-启动
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 3, ArraySubType = UnmanagedType.I1)]
            public byte[] byRes3;
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = MAX_NUMBER_LEN, ArraySubType = UnmanagedType.I1)]
            public byte[] byAlarmNumber2; //呼叫号码2，呼叫号码1失败会尝试呼叫号码2
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 72, ArraySubType = UnmanagedType.I1)]
            public byte[] byRes4;
        }

        //通道图象结构
        //移动侦测(子结构)(按组方式扩展)
        [StructLayout(LayoutKind.Sequential, CharSet = CharSet.Ansi)]
        public struct NET_DVR_RECORDCHAN
        {
            public uint dwMaxRecordChanNum;   //设备支持的最大关联录像通道数-只读
            public uint dwCurRecordChanNum;   //当前实际已配置的关联录像通道数
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = MAX_CHANNUM_V30, ArraySubType = UnmanagedType.U4)]
            public uint dwRelRecordChan;     /* 实际触发录像通道，按值表示,采用紧凑型排列，从下标0 - MAX_CHANNUM_V30-1有效，如果中间遇到0xffffffff,则后续无效*/
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 64, ArraySubType = UnmanagedType.I1)]
            public byte[] byRes;          //保留
        }

        //通道图象结构
        //移动侦测(子结构)(9000扩展)
        [StructLayout(LayoutKind.Sequential)]
        public struct NET_DVR_MOTION_V30
        {
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 96 * 64, ArraySubType = UnmanagedType.I1)]
            public byte[] byMotionScope;/*侦测区域,0-96位,表示64行,共有96*64个小宏块,为1表示是移动侦测区域,0-表示不是*/
            public byte byMotionSensitive;/*移动侦测灵敏度, 0 - 5,越高越灵敏,oxff关闭*/
            public byte byEnableHandleMotion;/* 是否处理移动侦测 0－否 1－是*/
            public byte byEnableDisplay;/* 启用移动侦测高亮显示：0- 否，1- 是 */
            public byte reservedData;
            public NET_DVR_HANDLEEXCEPTION_V30 struMotionHandleType;/* 处理方式 */
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = MAX_DAYS * MAX_TIMESEGMENT_V30, ArraySubType = UnmanagedType.Struct)]
            public NET_DVR_SCHEDTIME[] struAlarmTime;/*布防时间*/
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = MAX_CHANNUM_V30, ArraySubType = UnmanagedType.I1)]
            public byte[] byRelRecordChan;/* 报警触发的录象通道*/
        }

        //移动侦测(子结构)
        [StructLayout(LayoutKind.Sequential, CharSet = CharSet.Ansi)]
        public struct NET_DVR_MOTION
        {
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 396, ArraySubType = UnmanagedType.I1)]
            public byte[] byMotionScope;/*侦测区域,共有22*18个小宏块,为1表示改宏块是移动侦测区域,0-表示不是*/
            public byte byMotionSensitive;/*移动侦测灵敏度, 0 - 5,越高越灵敏,0xff关闭*/
            public byte byEnableHandleMotion;/* 是否处理移动侦测 */
            [MarshalAs(UnmanagedType.ByValTStr, SizeConst = 2)]
            public string reservedData;
            public NET_DVR_HANDLEEXCEPTION strMotionHandleType;/* 处理方式 */
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = MAX_DAYS * MAX_TIMESEGMENT, ArraySubType = UnmanagedType.Struct)]
            public NET_DVR_SCHEDTIME[] struAlarmTime;//布防时间
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = MAX_CHANNUM, ArraySubType = UnmanagedType.I1)]
            public byte[] byRelRecordChan;//报警触发的录象通道,为1表示触发该通道
        }

        //遮挡报警(子结构)(9000扩展)  区域大小704*576
        [StructLayout(LayoutKind.Sequential)]
        public struct NET_DVR_HIDEALARM_V30
        {
            public uint dwEnableHideAlarm;/* 是否启动遮挡报警 ,0-否,1-低灵敏度 2-中灵敏度 3-高灵敏度*/
            public ushort wHideAlarmAreaTopLeftX;/* 遮挡区域的x坐标 */
            public ushort wHideAlarmAreaTopLeftY;/* 遮挡区域的y坐标 */
            public ushort wHideAlarmAreaWidth;/* 遮挡区域的宽 */
            public ushort wHideAlarmAreaHeight;/*遮挡区域的高*/
            public NET_DVR_HANDLEEXCEPTION_V30 strHideAlarmHandleType;	/* 处理方式 */
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = MAX_DAYS * MAX_TIMESEGMENT_V30, ArraySubType = UnmanagedType.Struct)]
            public NET_DVR_SCHEDTIME[] struAlarmTime;//布防时间
        }

        //遮挡报警(子结构)  区域大小704*576
        [StructLayout(LayoutKind.Sequential)]
        public struct NET_DVR_HIDEALARM
        {
            public uint dwEnableHideAlarm;/* 是否启动遮挡报警 ,0-否,1-低灵敏度 2-中灵敏度 3-高灵敏度*/
            public ushort wHideAlarmAreaTopLeftX;/* 遮挡区域的x坐标 */
            public ushort wHideAlarmAreaTopLeftY;/* 遮挡区域的y坐标 */
            public ushort wHideAlarmAreaWidth;/* 遮挡区域的宽 */
            public ushort wHideAlarmAreaHeight;/*遮挡区域的高*/
            public NET_DVR_HANDLEEXCEPTION strHideAlarmHandleType;/* 处理方式 */
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = MAX_DAYS * MAX_TIMESEGMENT, ArraySubType = UnmanagedType.Struct)]
            public NET_DVR_SCHEDTIME[] struAlarmTime;//布防时间
        }

        //信号丢失报警(子结构)(9000扩展)
        [StructLayout(LayoutKind.Sequential)]
        public struct NET_DVR_VILOST_V30
        {
            public byte byEnableHandleVILost;/* 是否处理信号丢失报警 */
            public NET_DVR_HANDLEEXCEPTION_V30 strVILostHandleType;/* 处理方式 */
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 56, ArraySubType = UnmanagedType.Struct)]
            public NET_DVR_SCHEDTIME[] struAlarmTime;//布防时间
        }

        //信号丢失报警(子结构)
        [StructLayout(LayoutKind.Sequential)]
        public struct NET_DVR_VILOST
        {
            public byte byEnableHandleVILost;/* 是否处理信号丢失报警 */
            public NET_DVR_HANDLEEXCEPTION strVILostHandleType;/* 处理方式 */
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = MAX_DAYS * MAX_TIMESEGMENT_V30, ArraySubType = UnmanagedType.Struct)]
            public NET_DVR_SCHEDTIME[] struAlarmTime;//布防时间
        }

        //遮挡区域(子结构)
        [StructLayout(System.Runtime.InteropServices.LayoutKind.Sequential)]
        public struct NET_DVR_SHELTER
        {
            public ushort wHideAreaTopLeftX;/* 遮挡区域的x坐标 */
            public ushort wHideAreaTopLeftY;/* 遮挡区域的y坐标 */
            public ushort wHideAreaWidth;/* 遮挡区域的宽 */
            public ushort wHideAreaHeight;/*遮挡区域的高*/
        }

        [StructLayout(LayoutKind.Sequential)]
        public struct NET_DVR_COLOR
        {
            public byte byBrightness;/*亮度,0-255*/
            public byte byContrast;/*对比度,0-255*/
            public byte bySaturation;/*饱和度,0-255*/
            public byte byHue;/*色调,0-255*/
        }

        //通道图象结构(9000扩展)
        [StructLayout(LayoutKind.Sequential, CharSet = CharSet.Ansi)]
        public struct NET_DVR_PICCFG_V30
        {
            public uint dwSize;
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = NAME_LEN, ArraySubType = UnmanagedType.I1)]
            public byte[] sChanName;
            public uint dwVideoFormat;/* 只读 视频制式 1-NTSC 2-PAL*/
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 64, ArraySubType = UnmanagedType.I1)]
            public byte[] byReservedData;/*保留*/
            //显示通道名
            public uint dwShowChanName;// 预览的图象上是否显示通道名称,0-不显示,1-显示 区域大小704*576
            public ushort wShowNameTopLeftX;/* 通道名称显示位置的x坐标 */
            public ushort wShowNameTopLeftY;/* 通道名称显示位置的y坐标 */
            //视频信号丢失报警
            public NET_DVR_VILOST_V30 struVILost;
            public NET_DVR_VILOST_V30 struRes;/*保留*/
            //移动侦测
            public NET_DVR_MOTION_V30 struMotion;
            //遮挡报警
            public NET_DVR_HIDEALARM_V30 struHideAlarm;
            //遮挡  区域大小704*576
            public uint dwEnableHide;/* 是否启动遮挡 ,0-否,1-是*/
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = MAX_SHELTERNUM, ArraySubType = UnmanagedType.Struct)]
            public NET_DVR_SHELTER[] struShelter;
            //OSD
            public uint dwShowOsd;// 预览的图象上是否显示OSD,0-不显示,1-显示 区域大小704*576
            public ushort wOSDTopLeftX;/* OSD的x坐标 */
            public ushort wOSDTopLeftY;/* OSD的y坐标 */
            public byte byOSDType;/* OSD类型(主要是年月日格式) */
            /* 0: XXXX-XX-XX 年月日 */
            /* 1: XX-XX-XXXX 月日年 */
            /* 2: XXXX年XX月XX日 */
            /* 3: XX月XX日XXXX年 */
            /* 4: XX-XX-XXXX 日月年*/
            /* 5: XX日XX月XXXX年 */
            public byte byDispWeek;/* 是否显示星期 */
            public byte byOSDAttrib;/* OSD属性:透明，闪烁 */
            /* 0: 不显示OSD */
            /* 1: 透明,闪烁 */
            /* 2: 透明,不闪烁 */
            /* 3: 闪烁,不透明 */
            /* 4: 不透明,不闪烁 */
            public byte byHourOSDType;/* OSD小时制:0-24小时制,1-12小时制 */
            public byte byFontSize;//字体大小，16*16(中)/8*16(英)，1-32*32(中)/16*32(英)，2-64*64(中)/32*64(英)  3-48*48(中)/24*48(英) 0xff-自适应(adaptive)
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 63, ArraySubType = UnmanagedType.I1)]
            public byte[] byRes;
        }

        //通道图象结构SDK_V14扩展
        [StructLayout(LayoutKind.Sequential)]
        public struct NET_DVR_PICCFG_EX
        {
            public uint dwSize;
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = NAME_LEN, ArraySubType = UnmanagedType.I1)]
            public byte[] sChanName;
            public uint dwVideoFormat;/* 只读 视频制式 1-NTSC 2-PAL*/
            public byte byBrightness;/*亮度,0-255*/
            public byte byContrast;/*对比度,0-255*/
            public byte bySaturation;/*饱和度,0-255 */
            public byte byHue;/*色调,0-255*/
            //显示通道名
            public uint dwShowChanName;// 预览的图象上是否显示通道名称,0-不显示,1-显示 区域大小704*576
            public ushort wShowNameTopLeftX;/* 通道名称显示位置的x坐标 */
            public ushort wShowNameTopLeftY;/* 通道名称显示位置的y坐标 */
            //信号丢失报警
            public NET_DVR_VILOST struVILost;
            //移动侦测
            public NET_DVR_MOTION struMotion;
            //遮挡报警
            public NET_DVR_HIDEALARM struHideAlarm;
            //遮挡  区域大小704*576
            public uint dwEnableHide;/* 是否启动遮挡 ,0-否,1-是*/
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = MAX_SHELTERNUM, ArraySubType = UnmanagedType.Struct)]
            public NET_DVR_SHELTER[] struShelter;
            //OSD
            public uint dwShowOsd;// 预览的图象上是否显示OSD,0-不显示,1-显示 区域大小704*576
            public ushort wOSDTopLeftX;/* OSD的x坐标 */
            public ushort wOSDTopLeftY;/* OSD的y坐标 */
            public byte byOSDType;/* OSD类型(主要是年月日格式) */
            /* 0: XXXX-XX-XX 年月日 */
            /* 1: XX-XX-XXXX 月日年 */
            /* 2: XXXX年XX月XX日 */
            /* 3: XX月XX日XXXX年 */
            /* 4: XX-XX-XXXX 日月年*/
            /* 5: XX日XX月XXXX年 */
            public byte byDispWeek;/* 是否显示星期 */
            public byte byOSDAttrib;/* OSD属性:透明，闪烁 */
            /* 0: 不显示OSD */
            /* 1: 透明,闪烁 */
            /* 2: 透明,不闪烁 */
            /* 3: 闪烁,不透明 */
            /* 4: 不透明,不闪烁 */
            public byte byHourOsdType;/* OSD小时制:0-24小时制,1-12小时制 */
        }

        //通道图象结构(SDK_V13及之前版本)
        [StructLayout(LayoutKind.Sequential)]
        public struct NET_DVR_PICCFG
        {
            public uint dwSize;
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = NAME_LEN, ArraySubType = UnmanagedType.I1)]
            public byte[] sChanName;
            public uint dwVideoFormat;/* 只读 视频制式 1-NTSC 2-PAL*/
            public byte byBrightness;/*亮度,0-255*/
            public byte byContrast;/*对比度,0-255*/
            public byte bySaturation;/*饱和度,0-255 */
            public byte byHue;/*色调,0-255*/
            //显示通道名
            public uint dwShowChanName;// 预览的图象上是否显示通道名称,0-不显示,1-显示 区域大小704*576
            public ushort wShowNameTopLeftX;/* 通道名称显示位置的x坐标 */
            public ushort wShowNameTopLeftY;/* 通道名称显示位置的y坐标 */
            //信号丢失报警
            public NET_DVR_VILOST struVILost;
            //移动侦测
            public NET_DVR_MOTION struMotion;
            //遮挡报警
            public NET_DVR_HIDEALARM struHideAlarm;
            //遮挡  区域大小704*576
            public uint dwEnableHide;/* 是否启动遮挡 ,0-否,1-是*/
            public ushort wHideAreaTopLeftX;/* 遮挡区域的x坐标 */
            public ushort wHideAreaTopLeftY;/* 遮挡区域的y坐标 */
            public ushort wHideAreaWidth;/* 遮挡区域的宽 */
            public ushort wHideAreaHeight;/*遮挡区域的高*/
            //OSD
            public uint dwShowOsd;// 预览的图象上是否显示OSD,0-不显示,1-显示 区域大小704*576
            public ushort wOSDTopLeftX;/* OSD的x坐标 */
            public ushort wOSDTopLeftY;/* OSD的y坐标 */
            public byte byOSDType;/* OSD类型(主要是年月日格式) */
            /* 0: XXXX-XX-XX 年月日 */
            /* 1: XX-XX-XXXX 月日年 */
            /* 2: XXXX年XX月XX日 */
            /* 3: XX月XX日XXXX年 */
            /* 4: XX-XX-XXXX 日月年*/
            /* 5: XX日XX月XXXX年 */
            public byte byDispWeek;/* 是否显示星期 */
            public byte byOSDAttrib;/* OSD属性:透明，闪烁 */
            /* 0: 不显示OSD */
            /* 1: 透明,闪烁 */
            /* 2: 透明,不闪烁 */
            /* 3: 闪烁,不透明 */
            /* 4: 不透明,不闪烁 */
            public byte reservedData2;
        }

        //码流压缩参数(子结构)(9000扩展)
        [StructLayout(LayoutKind.Sequential)]
        public struct NET_DVR_COMPRESSION_INFO_V30
        {
            public byte byStreamType;//码流类型 0-视频流, 1-复合流, 表示事件压缩参数时最高位表示是否启用压缩参数
            public byte byResolution;//分辨率0-DCIF 1-CIF, 2-QCIF, 3-4CIF, 4-2CIF 5（保留）16-VGA（640*480） 17-UXGA（1600*1200） 18-SVGA （800*600）19-HD720p（1280*720）20-XVGA  21-HD900p
            public byte byBitrateType;//码率类型 0:变码率, 1:定码率
            public byte byPicQuality;//图象质量 0-最好 1-次好 2-较好 3-一般 4-较差 5-差
            public uint dwVideoBitrate;//视频码率 0-保留 1-16K 2-32K 3-48k 4-64K 5-80K 6-96K 7-128K 8-160k 9-192K 10-224K 11-256K 12-320K
            // 13-384K 14-448K 15-512K 16-640K 17-768K 18-896K 19-1024K 20-1280K 21-1536K 22-1792K 23-2048K
            //最高位(31位)置成1表示是自定义码流, 0-30位表示码流值。
            public uint dwVideoFrameRate;//帧率 0-全部; 1-1/16; 2-1/8; 3-1/4; 4-1/2; 5-1; 6-2; 7-4; 8-6; 9-8; 10-10; 11-12; 12-16; 13-20; V2.0版本中新加14-15; 15-18; 16-22;
            public ushort wIntervalFrameI;//I帧间隔
            //2006-08-11 增加单P帧的配置接口，可以改善实时流延时问题
            public byte byIntervalBPFrame;//0-BBP帧; 1-BP帧; 2-单P帧
            public byte byres1; //保留
            public byte byVideoEncType;//视频编码类型 0 hik264;1标准h264; 2标准mpeg4;
            public byte byAudioEncType; //音频编码类型 0－OggVorbis
            public byte byVideoEncComplexity; //视频编码复杂度，0-低，1-中，2高,0xfe:自动，和源一致
            public byte byEnableSvc; //0 - 不启用SVC功能；1- 启用SVC功能
            public byte byFormatType; //封装类型，1-裸流，2-RTP封装，3-PS封装，4-TS封装，5-私有，6-FLV，7-ASF，8-3GP,9-RTP+PS（国标：GB28181），0xff-无效
            public byte byAudioBitRate; //音频码率0-默认，1-8Kbps, 2- 16Kbps, 3-32Kbps，4-64Kbps，5-128Kbps，6-192Kbps；(IPC5.1.0默认4-64Kbps)
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 6, ArraySubType = UnmanagedType.I1)]
            public byte[] byres;//这里保留音频的压缩参数
        }

        //通道压缩参数(9000扩展)
        [StructLayout(LayoutKind.Sequential)]
        public struct NET_DVR_COMPRESSIONCFG_V30
        {
            public uint dwSize;
            public NET_DVR_COMPRESSION_INFO_V30 struNormHighRecordPara;//录像 对应8000的普通
            public NET_DVR_COMPRESSION_INFO_V30 struRes;//保留 char reserveData[28];
            public NET_DVR_COMPRESSION_INFO_V30 struEventRecordPara;//事件触发压缩参数
            public NET_DVR_COMPRESSION_INFO_V30 struNetPara;//网传(子码流)
        }

        //码流压缩参数(子结构)
        [StructLayout(LayoutKind.Sequential)]
        public struct NET_DVR_COMPRESSION_INFO
        {
            public byte byStreamType;//码流类型0-视频流,1-复合流,表示压缩参数时最高位表示是否启用压缩参数
            public byte byResolution;//分辨率0-DCIF 1-CIF, 2-QCIF, 3-4CIF, 4-2CIF, 5-2QCIF(352X144)(车载专用)
            public byte byBitrateType;//码率类型0:变码率，1:定码率
            public byte byPicQuality;//图象质量 0-最好 1-次好 2-较好 3-一般 4-较差 5-差
            public uint dwVideoBitrate; //视频码率 0-保留 1-16K(保留) 2-32K 3-48k 4-64K 5-80K 6-96K 7-128K 8-160k 9-192K 10-224K 11-256K 12-320K
            // 13-384K 14-448K 15-512K 16-640K 17-768K 18-896K 19-1024K 20-1280K 21-1536K 22-1792K 23-2048K
            //最高位(31位)置成1表示是自定义码流, 0-30位表示码流值(MIN-32K MAX-8192K)。
            public uint dwVideoFrameRate;//帧率 0-全部; 1-1/16; 2-1/8; 3-1/4; 4-1/2; 5-1; 6-2; 7-4; 8-6; 9-8; 10-10; 11-12; 12-16; 13-20;
        }

        //通道压缩参数
        [StructLayout(LayoutKind.Sequential)]
        public struct NET_DVR_COMPRESSIONCFG
        {
            public uint dwSize;
            public NET_DVR_COMPRESSION_INFO struRecordPara;//录像/事件触发录像
            public NET_DVR_COMPRESSION_INFO struNetPara;//网传/保留
        }

        //码流压缩参数(子结构)(扩展) 增加I帧间隔
        [StructLayout(LayoutKind.Sequential)]
        public struct NET_DVR_COMPRESSION_INFO_EX
        {
            public byte byStreamType;//码流类型0-视频流, 1-复合流
            public byte byResolution;//分辨率0-DCIF 1-CIF, 2-QCIF, 3-4CIF, 4-2CIF, 5-2QCIF(352X144)(车载专用)
            public byte byBitrateType;//码率类型0:变码率，1:定码率
            public byte byPicQuality;//图象质量 0-最好 1-次好 2-较好 3-一般 4-较差 5-差
            public uint dwVideoBitrate;//视频码率 0-保留 1-16K(保留) 2-32K 3-48k 4-64K 5-80K 6-96K 7-128K 8-160k 9-192K 10-224K 11-256K 12-320K
            // 13-384K 14-448K 15-512K 16-640K 17-768K 18-896K 19-1024K 20-1280K 21-1536K 22-1792K 23-2048K
            //最高位(31位)置成1表示是自定义码流, 0-30位表示码流值(MIN-32K MAX-8192K)。
            public uint dwVideoFrameRate;//帧率 0-全部; 1-1/16; 2-1/8; 3-1/4; 4-1/2; 5-1; 6-2; 7-4; 8-6; 9-8; 10-10; 11-12; 12-16; 13-20, //V2.0增加14-15, 15-18, 16-22;
            public ushort wIntervalFrameI;//I帧间隔
            //2006-08-11 增加单P帧的配置接口，可以改善实时流延时问题
            public byte byIntervalBPFrame;//0-BBP帧; 1-BP帧; 2-单P帧
            public byte byRes;
        }

        //通道压缩参数(扩展)
        [StructLayout(LayoutKind.Sequential)]
        public struct NET_DVR_COMPRESSIONCFG_EX
        {
            public uint dwSize;
            public NET_DVR_COMPRESSION_INFO_EX struRecordPara;//录像
            public NET_DVR_COMPRESSION_INFO_EX struNetPara;//网传
        }

        //时间段录像参数配置(子结构)
        [StructLayout(LayoutKind.Sequential, CharSet = CharSet.Ansi)]
        public struct NET_DVR_RECORDSCHED
        {
            public NET_DVR_SCHEDTIME struRecordTime;
            public byte byRecordType;//0:定时录像，1:移动侦测，2:报警录像，3:动测|报警，4:动测&报警, 5:命令触发, 6: 智能录像
            [MarshalAs(UnmanagedType.ByValTStr, SizeConst = 3)]
            public string reservedData;
        }

        //全天录像参数配置(子结构)
        [StructLayout(LayoutKind.Sequential)]
        public struct NET_DVR_RECORDDAY
        {
            public ushort wAllDayRecord;/* 是否全天录像 0-否 1-是*/
            public byte byRecordType;/* 录象类型 0:定时录像，1:移动侦测，2:报警录像，3:动测|报警，4:动测&报警 5:命令触发, 6: 智能录像*/
            public byte reservedData;
        }

        //通道录像参数配置(9000扩展)
        [StructLayout(LayoutKind.Sequential)]
        public struct NET_DVR_RECORD_V30
        {
            public uint dwSize;
            public uint dwRecord;/*是否录像 0-否 1-是*/
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = MAX_DAYS, ArraySubType = UnmanagedType.Struct)]
            public NET_DVR_RECORDDAY[] struRecAllDay;
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = MAX_DAYS * MAX_TIMESEGMENT_V30, ArraySubType = UnmanagedType.Struct)]
            public NET_DVR_RECORDSCHED[] struRecordSched;
            public uint dwRecordTime;/* 录象延时长度 0-5秒， 1-20秒， 2-30秒， 3-1分钟， 4-2分钟， 5-5分钟， 6-10分钟*/
            public uint dwPreRecordTime;/* 预录时间 0-不预录 1-5秒 2-10秒 3-15秒 4-20秒 5-25秒 6-30秒 7-0xffffffff(尽可能预录) */
            public uint dwRecorderDuration;/* 录像保存的最长时间 */
            public byte byRedundancyRec;/*是否冗余录像,重要数据双备份：0/1*/
            public byte byAudioRec;/*录像时复合流编码时是否记录音频数据：国外有此法规*/
            public byte byStreamType;  // 0:主码流 1：子码流
            public byte byPassbackRecord;  // 0:不回传录像 1：回传录像
            public ushort wLockDuration;  // 录像锁定时长，单位小时 0表示不锁定，0xffff表示永久锁定，录像段的时长大于锁定的持续时长的录像，将不会锁定
            public byte byRecordBackup;  // 0:录像不存档 1：录像存档
            public byte bySVCLevel;	//SVC抽帧类型：0-不抽，1-抽二分之一 2-抽四分之三
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 4, ArraySubType = UnmanagedType.I1)]
            public byte[] byReserve;
        }

        //通道录像参数配置
        [StructLayout(LayoutKind.Sequential)]
        public struct NET_DVR_RECORD
        {
            public uint dwSize;
            public uint dwRecord;/*是否录像 0-否 1-是*/
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = MAX_DAYS, ArraySubType = UnmanagedType.Struct)]
            public NET_DVR_RECORDDAY[] struRecAllDay;
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = MAX_DAYS * MAX_TIMESEGMENT, ArraySubType = UnmanagedType.Struct)]
            public NET_DVR_RECORDSCHED[] struRecordSched;
            public uint dwRecordTime;/* 录象时间长度 */
            public uint dwPreRecordTime;/* 预录时间 0-不预录 1-5秒 2-10秒 3-15秒 4-20秒 5-25秒 6-30秒 7-0xffffffff(尽可能预录) */
        }

        //云台协议表结构配置
        [StructLayout(LayoutKind.Sequential)]
        public struct NET_DVR_PTZ_PROTOCOL
        {
            public uint dwType;/*解码器类型值，从1开始连续递增*/
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = DESC_LEN, ArraySubType = UnmanagedType.I1)]
            public byte[] byDescribe;/*解码器的描述符，和8000中的一致*/
        }

        [StructLayout(LayoutKind.Sequential)]
        public struct NET_DVR_PTZCFG
        {
            public uint dwSize;
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = PTZ_PROTOCOL_NUM, ArraySubType = UnmanagedType.Struct)]
            public NET_DVR_PTZ_PROTOCOL[] struPtz;/*最大200中PTZ协议*/
            public uint dwPtzNum;/*有效的ptz协议数目，从0开始(即计算时加1)*/
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 8, ArraySubType = UnmanagedType.I1)]
            public byte[] byRes;
        }
        /***************************云台类型(end)******************************/

        //通道解码器(云台)参数配置(9000扩展)
        [StructLayout(LayoutKind.Sequential)]
        public struct NET_DVR_DECODERCFG_V30
        {
            public uint dwSize;
            public uint dwBaudRate;//波特率(bps)，0－50，1－75，2－110，3－150，4－300，5－600，6－1200，7－2400，8－4800，9－9600，10－19200， 11－38400，12－57600，13－76800，14－115.2k;
            public byte byDataBit;// 数据有几位 0－5位，1－6位，2－7位，3－8位;
            public byte byStopBit;// 停止位 0－1位，1－2位
            public byte byParity;// 校验 0－无校验，1－奇校验，2－偶校验;
            public byte byFlowcontrol;// 0－无，1－软流控,2-硬流控
            public ushort wDecoderType;//解码器类型, 从0开始，对应ptz协议列表
            public ushort wDecoderAddress;/*解码器地址:0 - 255*/
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = MAX_PRESET_V30, ArraySubType = UnmanagedType.I1)]
            public byte[] bySetPreset;/* 预置点是否设置,0-没有设置,1-设置*/
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = MAX_CRUISE_V30, ArraySubType = UnmanagedType.I1)]
            public byte[] bySetCruise;/* 巡航是否设置: 0-没有设置,1-设置 */
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = MAX_TRACK_V30, ArraySubType = UnmanagedType.I1)]
            public byte[] bySetTrack;/* 轨迹是否设置,0-没有设置,1-设置*/
        }

        //通道解码器(云台)参数配置
        [StructLayout(LayoutKind.Sequential)]
        public struct NET_DVR_DECODERCFG
        {
            public uint dwSize;
            public uint dwBaudRate; //波特率(bps)，0－50，1－75，2－110，3－150，4－300，5－600，6－1200，7－2400，8－4800，9－9600，10－19200， 11－38400，12－57600，13－76800，14－115.2k;
            public byte byDataBit; // 数据有几位 0－5位，1－6位，2－7位，3－8位;
            public byte byStopBit;// 停止位 0－1位，1－2位;
            public byte byParity; // 校验 0－无校验，1－奇校验，2－偶校验;
            public byte byFlowcontrol;// 0－无，1－软流控,2-硬流控
            public ushort wDecoderType;//解码器类型, 0－YouLi，1－LiLin-1016，2－LiLin-820，3－Pelco-p，4－DM DynaColor，5－HD600，6－JC-4116，7－Pelco-d WX，8－Pelco-d PICO
            public ushort wDecoderAddress;/*解码器地址:0 - 255*/
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = MAX_PRESET, ArraySubType = UnmanagedType.I1)]
            public byte[] bySetPreset;/* 预置点是否设置,0-没有设置,1-设置*/
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = MAX_CRUISE, ArraySubType = UnmanagedType.I1)]
            public byte[] bySetCruise;/* 巡航是否设置: 0-没有设置,1-设置 */
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = MAX_TRACK, ArraySubType = UnmanagedType.I1)]
            public byte[] bySetTrack;/* 轨迹是否设置,0-没有设置,1-设置*/
        }

        //ppp参数配置(子结构)
        [StructLayout(LayoutKind.Sequential, CharSet = CharSet.Ansi)]
        public struct NET_DVR_PPPCFG_V30
        {
            public NET_DVR_IPADDR struRemoteIP;//远端IP地址
            public NET_DVR_IPADDR struLocalIP;//本地IP地址
            [MarshalAs(UnmanagedType.ByValTStr, SizeConst = 16)]
            public string sLocalIPMask;//本地IP地址掩码
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = NAME_LEN, ArraySubType = UnmanagedType.I1)]
            public byte[] sUsername;/* 用户名 */
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = PASSWD_LEN, ArraySubType = UnmanagedType.I1)]
            public byte[] sPassword;/* 密码 */
            public byte byPPPMode;//PPP模式, 0－主动，1－被动
            public byte byRedial;//是否回拨 ：0-否,1-是
            public byte byRedialMode;//回拨模式,0-由拨入者指定,1-预置回拨号码
            public byte byDataEncrypt;//数据加密,0-否,1-是
            public uint dwMTU;//MTU
            [MarshalAs(UnmanagedType.ByValTStr, SizeConst = PHONENUMBER_LEN)]
            public string sTelephoneNumber;//电话号码
        }

        //ppp参数配置(子结构)
        [StructLayout(LayoutKind.Sequential, CharSet = CharSet.Ansi)]
        public struct NET_DVR_PPPCFG
        {
            [MarshalAs(UnmanagedType.ByValTStr, SizeConst = 16)]
            public string sRemoteIP;//远端IP地址
            [MarshalAs(UnmanagedType.ByValTStr, SizeConst = 16)]
            public string sLocalIP;//本地IP地址
            [MarshalAs(UnmanagedType.ByValTStr, SizeConst = 16)]
            public string sLocalIPMask;//本地IP地址掩码
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = NAME_LEN, ArraySubType = UnmanagedType.I1)]
            public byte[] sUsername;/* 用户名 */
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = PASSWD_LEN, ArraySubType = UnmanagedType.I1)]
            public byte[] sPassword;/* 密码 */
            public byte byPPPMode;//PPP模式, 0－主动，1－被动
            public byte byRedial;//是否回拨 ：0-否,1-是
            public byte byRedialMode;//回拨模式,0-由拨入者指定,1-预置回拨号码
            public byte byDataEncrypt;//数据加密,0-否,1-是
            public uint dwMTU;//MTU
            [MarshalAs(UnmanagedType.ByValTStr, SizeConst = PHONENUMBER_LEN)]
            public string sTelephoneNumber;//电话号码
        }

        //RS232串口参数配置(9000扩展)
        [StructLayout(LayoutKind.Sequential)]
        public struct NET_DVR_SINGLE_RS232
        {
            public uint dwBaudRate;/*波特率(bps)，0－50，1－75，2－110，3－150，4－300，5－600，6－1200，7－2400，8－4800，9－9600，10－19200， 11－38400，12－57600，13－76800，14－115.2k;*/
            public byte byDataBit;/* 数据有几位 0－5位，1－6位，2－7位，3－8位 */
            public byte byStopBit;/* 停止位 0－1位，1－2位 */
            public byte byParity;/* 校验 0－无校验，1－奇校验，2－偶校验 */
            public byte byFlowcontrol;/* 0－无，1－软流控,2-硬流控 */
            public uint dwWorkMode; /* 工作模式，0－232串口用于PPP拨号，1－232串口用于参数控制，2－透明通道 */
        }

        //RS232串口参数配置(9000扩展)
        [StructLayout(LayoutKind.Sequential)]
        public struct NET_DVR_RS232CFG_V30
        {
            public uint dwSize;
            public NET_DVR_SINGLE_RS232 struRs232;
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 84, ArraySubType = UnmanagedType.I1)]
            public byte[] byRes;
            public NET_DVR_PPPCFG_V30 struPPPConfig;
        }

        //RS232串口参数配置
        [StructLayout(LayoutKind.Sequential)]
        public struct NET_DVR_RS232CFG
        {
            public uint dwSize;
            public uint dwBaudRate;//波特率(bps)，0－50，1－75，2－110，3－150，4－300，5－600，6－1200，7－2400，8－4800，9－9600，10－19200， 11－38400，12－57600，13－76800，14－115.2k;
            public byte byDataBit;// 数据有几位 0－5位，1－6位，2－7位，3－8位;
            public byte byStopBit;// 停止位 0－1位，1－2位;
            public byte byParity;// 校验 0－无校验，1－奇校验，2－偶校验;
            public byte byFlowcontrol;// 0－无，1－软流控,2-硬流控
            public uint dwWorkMode;// 工作模式，0－窄带传输(232串口用于PPP拨号)，1－控制台(232串口用于参数控制)，2－透明通道
            public NET_DVR_PPPCFG struPPPConfig;
        }

        [StructLayout(LayoutKind.Sequential)]
        public struct NET_DVR_PRESETCHAN_INFO
        {
            public uint dwEnablePresetChan;	/*启用预置点的通道*/
            public uint dwPresetPointNo;		/*调用预置点通道对应的预置点序号, 0xfffffff表示不调用预置点。*/
        }

        [StructLayout(LayoutKind.Sequential)]
        public struct NET_DVR_CRUISECHAN_INFO
        {
            public uint dwEnableCruiseChan;	/*启用巡航的通道*/
            public uint dwCruiseNo;		/*巡航通道对应的巡航编号, 0xfffffff表示无效*/
        }

        [StructLayout(LayoutKind.Sequential)]
        public struct NET_DVR_PTZTRACKCHAN_INFO
        {
            public uint dwEnablePtzTrackChan;	/*启用云台轨迹的通道*/
            public uint dwPtzTrackNo;		/*云台轨迹通道对应的编号, 0xfffffff表示无效*/
        }

        //报警输入参数配置(256路NVR扩展)
        [StructLayout(LayoutKind.Sequential)]
        public struct NET_DVR_ALARMINCFG_V40
        {
            public uint dwSize;
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = NAME_LEN, ArraySubType = UnmanagedType.I1)]
            public byte[] sAlarmInName;	/* 名称 */
            public byte byAlarmType;	            //报警器类型,0：常开,1：常闭
            public byte byAlarmInHandle;	        /* 是否处理 0-不处理 1-处理*/
            public byte byChannel;                 // 报警输入触发智能识别通道
            public byte byRes1;                    //保留			
            public uint dwHandleType;        //异常处理,异常处理方式的"或"结果   
                                             /*0x00: 无响应*/
                                             /*0x01: 监视器上警告*/
                                             /*0x02: 声音警告*/
                                             /*0x04: 上传中心*/
                                             /*0x08: 触发报警输出*/
                                             /*0x10: 触发JPRG抓图并上传Email*/
                                             /*0x20: 无线声光报警器联动*/
                                             /*0x40: 联动电子地图(目前只有PCNVR支持)*/
                                             /*0x200: 抓图并上传FTP*/
            public uint dwMaxRelAlarmOutChanNum; //触发的报警输出通道数（只读）最大支持数量
            public uint dwRelAlarmOutChanNum; //触发的报警输出通道数 实际支持数
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = MAX_ALARMOUT_V40, ArraySubType = UnmanagedType.U4)]
            public uint[] dwRelAlarmOut; //触发报警通道
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = MAX_DAYS * MAX_TIMESEGMENT_V30, ArraySubType = UnmanagedType.Struct)]
            public NET_DVR_SCHEDTIME[] struAlarmTime;//布防时间
            /*触发的录像通道*/
            public uint dwMaxRecordChanNum;   //设备支持的最大关联录像通道数-只读
            public uint dwCurRecordChanNum;    //当前实际已配置的关联录像通道数
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = MAX_CHANNUM_V40, ArraySubType = UnmanagedType.U4)]
            public uint[] dwRelRecordChan;   /* 实际触发录像通道，按值表示,采用紧凑型排列，从下标0 - dwCurRecordChanNum -1有效，如果中间遇到0xffffffff,则后续无效*/
            public uint dwMaxEnablePtzCtrlNun; //最大可启用的云台控制总数(只读)
            public uint dwEnablePresetChanNum;  //当前已启用预置点的数目
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = MAX_CHANNUM_V40, ArraySubType = UnmanagedType.Struct)]
            public NET_DVR_PRESETCHAN_INFO[] struPresetChanInfo; //启用的预置点信息
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 516, ArraySubType = UnmanagedType.I1)]
            public byte[] byRes2;					/*保留*/
            public uint dwEnableCruiseChanNum;  //当前已启用巡航的通道数目
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = MAX_CHANNUM_V40, ArraySubType = UnmanagedType.Struct)]
            public NET_DVR_CRUISECHAN_INFO[] struCruiseChanInfo; //启用巡航功能通道的信息
            public uint dwEnablePtzTrackChanNum;  //当前已启用巡航的通道数目
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = MAX_CHANNUM_V40, ArraySubType = UnmanagedType.Struct)]
            public NET_DVR_PTZTRACKCHAN_INFO[] struPtzTrackInfo; //调用云台轨迹的通道信息
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 256, ArraySubType = UnmanagedType.I1)]
            public byte[] byRes;
        }

        //报警输入参数配置(9000扩展)
        [StructLayout(LayoutKind.Sequential)]
        public struct NET_DVR_ALARMINCFG_V30
        {
            public uint dwSize;
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = NAME_LEN, ArraySubType = UnmanagedType.I1)]
            public byte[] sAlarmInName;/* 名称 */
            public byte byAlarmType; //报警器类型,0：常开,1：常闭
            public byte byAlarmInHandle; /* 是否处理 0-不处理 1-处理*/
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 2, ArraySubType = UnmanagedType.I1)]
            public byte[] byRes1;
            public NET_DVR_HANDLEEXCEPTION_V30 struAlarmHandleType;/* 处理方式 */
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = MAX_DAYS * MAX_TIMESEGMENT_V30, ArraySubType = UnmanagedType.Struct)]
            public NET_DVR_SCHEDTIME[] struAlarmTime;//布防时间
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = MAX_CHANNUM_V30, ArraySubType = UnmanagedType.I1)]
            public byte[] byRelRecordChan;//报警触发的录象通道,为1表示触发该通道
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = MAX_CHANNUM_V30, ArraySubType = UnmanagedType.I1)]
            public byte[] byEnablePreset;/* 是否调用预置点 0-否,1-是*/
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = MAX_CHANNUM_V30, ArraySubType = UnmanagedType.I1)]
            public byte[] byPresetNo;/* 调用的云台预置点序号,一个报警输入可以调用多个通道的云台预置点, 0xff表示不调用预置点。*/
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 192, ArraySubType = UnmanagedType.I1)]
            public byte[] byRes2;/*保留*/
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = MAX_CHANNUM_V30, ArraySubType = UnmanagedType.I1)]
            public byte[] byEnableCruise;/* 是否调用巡航 0-否,1-是*/
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = MAX_CHANNUM_V30, ArraySubType = UnmanagedType.I1)]
            public byte[] byCruiseNo;/* 巡航 */
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = MAX_CHANNUM_V30, ArraySubType = UnmanagedType.I1)]
            public byte[] byEnablePtzTrack;/* 是否调用轨迹 0-否,1-是*/
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = MAX_CHANNUM_V30, ArraySubType = UnmanagedType.I1)]
            public byte[] byPTZTrack;/* 调用的云台的轨迹序号 */
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 16, ArraySubType = UnmanagedType.I1)]
            public byte[] byRes3;
        }


        [StructLayout(LayoutKind.Sequential)]
        public struct STRUCT_IO_ALARM
        {
            public uint dwAlarmInputNo;		//发生报警的报警输入通道号，一次只有一个
            public uint dwTrigerAlarmOutNum;	/*触发的报警输出个数，用于后面计算变长数据部分中所有触发的报警输出通道号，四字节表示一个*/
            public uint dwTrigerRecordChanNum;	/*触发的录像通道个数，用于后面计算变长数据部分中所有触发的录像通道号，四字节表示一个*/
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 116, ArraySubType = UnmanagedType.I1)]
            public byte[] byRes;
        }

        [StructLayout(LayoutKind.Sequential)]
        public struct STRUCT_ALARM_CHANNEL
        {
            public uint dwAlarmChanNum;	/*发生报警通道数据个数，用于后面计算变长数据部分中所有发生的报警通道号，四字节表示一个*/
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 124, ArraySubType = UnmanagedType.I1)]
            public byte[] byRes;
        }
        [StructLayout(LayoutKind.Sequential)]
        public struct STRUCT_ALARM_HD
        {
            public uint dwAlarmHardDiskNum;	/*发生报警的硬盘数据长度，用于后面计算变长数据部分中所有发生报警的硬盘号，四节表示一个*/
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 124, ArraySubType = UnmanagedType.I1)]
            public byte[] byRes;
        }

        [StructLayout(LayoutKind.Explicit)]
        public struct UNION_ALARMINFO_FIXED
        {
            [FieldOffset(0)]
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 128, ArraySubType = UnmanagedType.I1)]
            public byte[] byUnionLen;
        }

        [StructLayout(LayoutKind.Sequential)]
        public struct NET_DVR_ALRAM_FIXED_HEADER
        {
            public uint dwAlarmType;              /*0-信号量报警,1-硬盘满,2-信号丢失，3－移动侦测，4－硬盘未格式化,5-写硬盘出错,6-遮挡报警，7-制式不匹配, 8-非法访问，9-视频信号异常，10-录像异常，11-智能场景变化，12-阵列异常，13-前端/录像分辨率不匹配*/
            public NET_DVR_TIME_EX struAlarmTime;	//发生报警的时间
            public UNION_ALARMINFO_FIXED uStruAlarm;
        }

        [StructLayout(LayoutKind.Sequential)]
        public struct NET_DVR_ALARMINFO_V40
        {
            public NET_DVR_ALRAM_FIXED_HEADER struAlarmFixedHeader;	//报警固定部分
            public IntPtr pAlarmData;   //报警可变部分内容
        }

        //报警输入参数配置
        [StructLayout(LayoutKind.Sequential)]
        public struct NET_DVR_ALARMINCFG
        {
            public uint dwSize;
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = NAME_LEN, ArraySubType = UnmanagedType.I1)]
            public byte[] sAlarmInName;/* 名称 */
            public byte byAlarmType;//报警器类型,0：常开,1：常闭
            public byte byAlarmInHandle;/* 是否处理 0-不处理 1-处理*/
            public byte byChannel;     // 报警输入触发智能识别通道
            public byte byRes;
            public NET_DVR_HANDLEEXCEPTION struAlarmHandleType;/* 处理方式 */
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = MAX_DAYS * MAX_TIMESEGMENT, ArraySubType = UnmanagedType.Struct)]
            public NET_DVR_SCHEDTIME[] struAlarmTime;//布防时间
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = MAX_CHANNUM, ArraySubType = UnmanagedType.I1)]
            public byte[] byRelRecordChan;//报警触发的录象通道,为1表示触发该通道
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = MAX_CHANNUM, ArraySubType = UnmanagedType.I1)]
            public byte[] byEnablePreset;/* 是否调用预置点 0-否,1-是*/
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = MAX_CHANNUM, ArraySubType = UnmanagedType.I1)]
            public byte[] byPresetNo;/* 调用的云台预置点序号,一个报警输入可以调用多个通道的云台预置点, 0xff表示不调用预置点。*/
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = MAX_CHANNUM, ArraySubType = UnmanagedType.I1)]
            public byte[] byEnableCruise;/* 是否调用巡航 0-否,1-是*/
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = MAX_CHANNUM, ArraySubType = UnmanagedType.I1)]
            public byte[] byCruiseNo;/* 巡航 */
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = MAX_CHANNUM, ArraySubType = UnmanagedType.I1)]
            public byte[] byEnablePtzTrack;/* 是否调用轨迹 0-否,1-是*/
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = MAX_CHANNUM, ArraySubType = UnmanagedType.I1)]
            public byte[] byPTZTrack;/* 调用的云台的轨迹序号 */
        }

        //模拟报警输入参数配置
        [StructLayout(LayoutKind.Sequential)]
        public struct NET_DVR_ANALOG_ALARMINCFG
        {
            public uint dwSize;
            public byte byEnableAlarmHandle; //处理报警输入
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 3, ArraySubType = UnmanagedType.I1)]
            public byte[] byRes1;
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = NAME_LEN, ArraySubType = UnmanagedType.I1)]
            public byte[] byAlarmInName; //模拟报警输入名称
            public ushort wAlarmInUpper; //模拟输入电压上限，实际值乘10，范围0~360
            public ushort wAlarmInLower; //模拟输入电压下限，实际值乘10，范围0~360 
            public NET_DVR_HANDLEEXCEPTION_V30 struAlarmHandleType; /* 处理方式 */
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = MAX_DAYS * MAX_TIMESEGMENT_V30, ArraySubType = UnmanagedType.Struct)]
            public NET_DVR_SCHEDTIME[] struAlarmTime;//布防时间
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = MAX_CHANNUM_V30, ArraySubType = UnmanagedType.I1)]
            public byte[] byRelRecordChan; //被触发的录像通道
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 100, ArraySubType = UnmanagedType.I1)]
            public byte[] byRes2;
        }

        //上传报警信息(9000扩展)
        [StructLayout(LayoutKind.Sequential)]
        public struct NET_DVR_ALARMINFO_V30
        {
            public uint dwAlarmType;/*0-信号量报警,1-硬盘满,2-信号丢失,3－移动侦测,4－硬盘未格式化,5-读写硬盘出错,6-遮挡报警,7-制式不匹配, 8-非法访问, 0xa-GPS定位信息(车载定制)*/
            public uint dwAlarmInputNumber;/*报警输入端口*/
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = MAX_ALARMOUT_V30, ArraySubType = UnmanagedType.I1)]
            public byte[] byAlarmOutputNumber;/*触发的输出端口，为1表示对应输出*/
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = MAX_CHANNUM_V30, ArraySubType = UnmanagedType.I1)]
            public byte[] byAlarmRelateChannel;/*触发的录像通道，为1表示对应录像, dwAlarmRelateChannel[0]对应第1个通道*/
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = MAX_CHANNUM_V30, ArraySubType = UnmanagedType.I1)]
            public byte[] byChannel;/*dwAlarmType为2或3,6时，表示哪个通道，dwChannel[0]对应第1个通道*/
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = MAX_DISKNUM_V30, ArraySubType = UnmanagedType.I1)]
            public byte[] byDiskNumber;/*dwAlarmType为1,4,5时,表示哪个硬盘, dwDiskNumber[0]对应第1个硬盘*/
            public void Init()
            {
                dwAlarmType = 0;
                dwAlarmInputNumber = 0;
                byAlarmRelateChannel = new byte[MAX_CHANNUM_V30];
                byChannel = new byte[MAX_CHANNUM_V30];
                byAlarmOutputNumber = new byte[MAX_ALARMOUT_V30];
                byDiskNumber = new byte[MAX_DISKNUM_V30];
                for (int i = 0; i < MAX_CHANNUM_V30; i++)
                {
                    byAlarmRelateChannel[i] = Convert.ToByte(0);
                    byChannel[i] = Convert.ToByte(0);
                }
                for (int i = 0; i < MAX_ALARMOUT_V30; i++)
                {
                    byAlarmOutputNumber[i] = Convert.ToByte(0);
                }
                for (int i = 0; i < MAX_DISKNUM_V30; i++)
                {
                    byDiskNumber[i] = Convert.ToByte(0);
                }
            }
            public void Reset()
            {
                dwAlarmType = 0;
                dwAlarmInputNumber = 0;

                for (int i = 0; i < MAX_CHANNUM_V30; i++)
                {
                    byAlarmRelateChannel[i] = Convert.ToByte(0);
                    byChannel[i] = Convert.ToByte(0);
                }
                for (int i = 0; i < MAX_ALARMOUT_V30; i++)
                {
                    byAlarmOutputNumber[i] = Convert.ToByte(0);
                }
                for (int i = 0; i < MAX_DISKNUM_V30; i++)
                {
                    byDiskNumber[i] = Convert.ToByte(0);
                }
            }
        }

        [StructLayout(LayoutKind.Sequential)]
        public struct NET_DVR_ALARM_HOT_SPARE
        {
            public uint dwSize;   //结构体
            public uint dwExceptionCase;   //报警原因   0-网络异常
            public NET_DVR_IPADDR struDeviceIP;    //产生异常的设备IP地址
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 256, ArraySubType = UnmanagedType.I1)]
            public byte[] byRes;         //保留
        }

        [StructLayout(LayoutKind.Sequential)]
        public struct NET_DVR_ALARMINFO
        {
            public int dwAlarmType;/*0-信号量报警,1-硬盘满,2-信号丢失,3－移动侦测,4－硬盘未格式化,5-读写硬盘出错,6-遮挡报警,7-制式不匹配, 8-非法访问, 9-串口状态, 0xa-GPS定位信息(车载定制)*/
            public int dwAlarmInputNumber;/*报警输入端口, 当报警类型为9时该变量表示串口状态0表示正常， -1表示错误*/
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = MAX_ALARMOUT, ArraySubType = UnmanagedType.U4)]
            public int[] dwAlarmOutputNumber;/*触发的输出端口，哪一位为1表示对应哪一个输出*/
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = MAX_CHANNUM, ArraySubType = UnmanagedType.U4)]
            public int[] dwAlarmRelateChannel;/*触发的录像通道，哪一位为1表示对应哪一路录像, dwAlarmRelateChannel[0]对应第1个通道*/
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = MAX_CHANNUM, ArraySubType = UnmanagedType.U4)]
            public int[] dwChannel;/*dwAlarmType为2或3,6时，表示哪个通道，dwChannel[0]位对应第1个通道*/
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = MAX_DISKNUM, ArraySubType = UnmanagedType.U4)]
            public int[] dwDiskNumber;/*dwAlarmType为1,4,5时,表示哪个硬盘, dwDiskNumber[0]位对应第1个硬盘*/
            public void Init()
            {
                dwAlarmType = 0;
                dwAlarmInputNumber = 0;
                dwAlarmOutputNumber = new int[MAX_ALARMOUT];
                dwAlarmRelateChannel = new int[MAX_CHANNUM];
                dwChannel = new int[MAX_CHANNUM];
                dwDiskNumber = new int[MAX_DISKNUM];
                for (int i = 0; i < MAX_ALARMOUT; i++)
                {
                    dwAlarmOutputNumber[i] = 0;
                }
                for (int i = 0; i < MAX_CHANNUM; i++)
                {
                    dwAlarmRelateChannel[i] = 0;
                    dwChannel[i] = 0;
                }
                for (int i = 0; i < MAX_DISKNUM; i++)
                {
                    dwDiskNumber[i] = 0;
                }
            }
            public void Reset()
            {
                dwAlarmType = 0;
                dwAlarmInputNumber = 0;

                for (int i = 0; i < MAX_ALARMOUT; i++)
                {
                    dwAlarmOutputNumber[i] = 0;
                }
                for (int i = 0; i < MAX_CHANNUM; i++)
                {
                    dwAlarmRelateChannel[i] = 0;
                    dwChannel[i] = 0;
                }
                for (int i = 0; i < MAX_DISKNUM; i++)
                {
                    dwDiskNumber[i] = 0;
                }
            }
        }


        //////////////////////////////////////////////////////////////////////////////////////
        //IPC接入参数配置
        /* IP设备结构 */
        [StructLayout(LayoutKind.Sequential)]
        public struct NET_DVR_IPDEVINFO
        {
            public uint dwEnable;/* 该IP设备是否启用 */
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = NAME_LEN, ArraySubType = UnmanagedType.I1)]
            public byte[] sUserName;/* 用户名 */
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = PASSWD_LEN, ArraySubType = UnmanagedType.I1)]
            public byte[] sPassword; /* 密码 */
            public NET_DVR_IPADDR struIP;/* IP地址 */
            public ushort wDVRPort;/* 端口号 */
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 34, ArraySubType = UnmanagedType.I1)]
            public byte[] byRes;/* 保留 */

            public void Init()
            {
                sUserName = new byte[NAME_LEN];
                sPassword = new byte[PASSWD_LEN];
                byRes = new byte[34];
            }
        }

        //ipc接入设备信息扩展，支持ip设备的域名添加
        [StructLayout(LayoutKind.Sequential)]
        public struct NET_DVR_IPDEVINFO_V31
        {
            public byte byEnable;//该IP设备是否有效
            public byte byProType;
            public byte byEnableQuickAdd;
            public byte byRes1;//保留字段，置0
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = NAME_LEN, ArraySubType = UnmanagedType.I1)]
            public byte[] sUserName;//用户名
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = PASSWD_LEN, ArraySubType = UnmanagedType.I1)]
            public byte[] sPassword;//密码
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = MAX_DOMAIN_NAME, ArraySubType = UnmanagedType.I1)]
            public byte[] byDomain;//设备域名
            public NET_DVR_IPADDR struIP;//IP地址
            public ushort wDVRPort;// 端口号
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 34, ArraySubType = UnmanagedType.I1)]
            public byte[] byRes2;//保留字段，置0

            public void Init()
            {
                sUserName = new byte[NAME_LEN];
                sPassword = new byte[PASSWD_LEN];
                byDomain = new byte[MAX_DOMAIN_NAME];
                byRes2 = new byte[34];
            }
        }

        /* IP通道匹配参数 */
        [StructLayout(LayoutKind.Sequential)]
        public struct NET_DVR_IPCHANINFO
        {
            public byte byEnable;/* 该通道是否在线 */
            public byte byIPID;/* IP设备ID 取值1- MAX_IP_DEVICE */
            public byte byChannel;/* 通道号 */
            public byte byIPIDHigh; // IP设备ID的高8位
            public byte byTransProtocol;//传输协议类型0-TCP/auto(具体有设备决定)，1-UDP 2-多播 3-仅TCP 4-auto
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 31, ArraySubType = UnmanagedType.I1)]
            public byte[] byRes;//保留,置0
            public void Init()
            {
                byRes = new byte[31];
            }
        }

        /* IP接入配置结构 */
        [StructLayout(LayoutKind.Sequential)]
        public struct NET_DVR_IPPARACFG
        {
            public uint dwSize;/* 结构大小 */
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = MAX_IP_DEVICE, ArraySubType = UnmanagedType.Struct)]
            public NET_DVR_IPDEVINFO[] struIPDevInfo;/* IP设备 */
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = MAX_ANALOG_CHANNUM, ArraySubType = UnmanagedType.I1)]
            public byte[] byAnalogChanEnable; /* 模拟通道是否启用，从低到高表示1-32通道，0表示无效 1有效 */
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = MAX_IP_CHANNEL, ArraySubType = UnmanagedType.Struct)]
            public NET_DVR_IPCHANINFO[] struIPChanInfo;/* IP通道 */

            public void Init()
            {
                int i = 0;
                struIPDevInfo = new NET_DVR_IPDEVINFO[MAX_IP_DEVICE];

                for (i = 0; i < MAX_IP_DEVICE; i++)
                {
                    struIPDevInfo[i].Init();
                }
                byAnalogChanEnable = new byte[MAX_ANALOG_CHANNUM];
                struIPChanInfo = new NET_DVR_IPCHANINFO[MAX_IP_CHANNEL];
                for (i = 0; i < MAX_IP_CHANNEL; i++)
                {
                    struIPChanInfo[i].Init();
                }
            }
        }

        /* 扩展IP接入配置结构 */
        [StructLayout(LayoutKind.Sequential)]
        public struct NET_DVR_IPPARACFG_V31
        {
            public uint dwSize;/* 结构大小 */
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = MAX_IP_DEVICE, ArraySubType = UnmanagedType.Struct)]
            public NET_DVR_IPDEVINFO_V31[] struIPDevInfo; /* IP设备 */
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = MAX_ANALOG_CHANNUM, ArraySubType = UnmanagedType.I1)]
            public byte[] byAnalogChanEnable; /* 模拟通道是否启用，从低到高表示1-32通道，0表示无效 1有效 */
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = MAX_IP_CHANNEL, ArraySubType = UnmanagedType.Struct)]
            public NET_DVR_IPCHANINFO[] struIPChanInfo;/* IP通道 */

            public void Init()
            {
                int i = 0;
                struIPDevInfo = new NET_DVR_IPDEVINFO_V31[MAX_IP_DEVICE];

                for (i = 0; i < MAX_IP_DEVICE; i++)
                {
                    struIPDevInfo[i].Init();
                }
                byAnalogChanEnable = new byte[MAX_ANALOG_CHANNUM];
                struIPChanInfo = new NET_DVR_IPCHANINFO[MAX_IP_CHANNEL];
                for (i = 0; i < MAX_IP_CHANNEL; i++)
                {
                    struIPChanInfo[i].Init();
                }
            }
        }

        [StructLayout(LayoutKind.Sequential)]
        public struct NET_DVR_IPSERVER_STREAM
        {
            public byte byEnable;
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 3, ArraySubType = UnmanagedType.I1)]
            public byte[] byRes;
            public NET_DVR_IPADDR struIPServer;
            public ushort wPort;
            public ushort wDvrNameLen;
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = NAME_LEN, ArraySubType = UnmanagedType.I1)]
            public byte[] byDVRName;
            public ushort wDVRSerialLen;
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 2, ArraySubType = UnmanagedType.U2)]
            public ushort[] byRes1;
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = SERIALNO_LEN, ArraySubType = UnmanagedType.I1)]
            public byte[] byDVRSerialNumber;
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = NAME_LEN, ArraySubType = UnmanagedType.I1)]
            public byte[] byUserName;
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = PASSWD_LEN, ArraySubType = UnmanagedType.I1)]
            public byte[] byPassWord;
            public byte byChannel;
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 11, ArraySubType = UnmanagedType.I1)]
            public byte[] byRes2;
            public void Init()
            {
                byRes = new byte[3];
                byDVRName = new byte[NAME_LEN];
                byRes1 = new ushort[2];
                byDVRSerialNumber = new byte[SERIALNO_LEN];
                byUserName = new byte[NAME_LEN];
                byPassWord = new byte[PASSWD_LEN];
                byRes2 = new byte[11];
            }
        }

        /*流媒体服务器基本配置*/
        [StructLayout(LayoutKind.Sequential)]
        public struct NET_DVR_STREAM_MEDIA_SERVER_CFG
        {
            public byte byValid;/*是否启用流媒体服务器取流,0表示无效，非0表示有效*/
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 3, ArraySubType = UnmanagedType.I1)]
            public byte[] byRes1;
            public NET_DVR_IPADDR struDevIP;
            public ushort wDevPort;/*流媒体服务器端口*/
            public byte byTransmitType;/*传输协议类型 0-TCP，1-UDP*/
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 69, ArraySubType = UnmanagedType.I1)]
            public byte[] byRes2;
        }
        //设备通道信息
        [StructLayout(LayoutKind.Sequential)]
        public struct NET_DVR_DEV_CHAN_INFO
        {
            public NET_DVR_IPADDR struIP;		    //DVR IP地址
            public ushort wDVRPort;			 	//端口号
            public byte byChannel;				//通道号
            public byte byTransProtocol;		//传输协议类型0-TCP，1-UDP
            public byte byTransMode;			//传输码流模式 0－主码流 1－子码流
            public byte byFactoryType;			/*前端设备厂家类型,通过接口获取*/
            public byte byDeviceType; //设备类型(视频综合平台智能板使用)，1-解码器（此时根据视频综合平台能力集中byVcaSupportChanMode字段来决定是使用解码通道还是显示通道），2-编码器
            public byte byDispChan;//显示通道号,智能配置使用
            public byte bySubDispChan;//显示通道子通道号，智能配置时使用
            public byte byResolution;	//; 1-CIF 2-4CIF 3-720P 4-1080P 5-500w大屏控制器使用，大屏控制器会根据该参数分配解码资源
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 2, ArraySubType = UnmanagedType.I1)]
            public byte[] byRes;
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = MAX_DOMAIN_NAME, ArraySubType = UnmanagedType.I1)]
            public byte[] byDomain;	//设备域名
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = NAME_LEN, ArraySubType = UnmanagedType.I1)]
            public byte[] sUserName;	//监控主机登陆帐号
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = PASSWD_LEN, ArraySubType = UnmanagedType.I1)]
            public byte[] sPassword;	//监控主机密码
        }

        [StructLayout(LayoutKind.Sequential)]
        public struct NET_DVR_PU_STREAM_CFG
        {
            public uint dwSize;
            public NET_DVR_STREAM_MEDIA_SERVER_CFG struStreamMediaSvrCfg;
            public NET_DVR_DEV_CHAN_INFO struDevChanInfo;
        }

        [StructLayout(LayoutKind.Sequential)]
        public struct NET_DVR_DDNS_STREAM_CFG
        {
            public byte byEnable;
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 3, ArraySubType = UnmanagedType.I1)]
            public byte[] byRes1;
            public NET_DVR_IPADDR struStreamServer;
            public ushort wStreamServerPort;
            public byte byStreamServerTransmitType;
            public byte byRes2;
            public NET_DVR_IPADDR struIPServer;
            public ushort wIPServerPort;
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 2, ArraySubType = UnmanagedType.I1)]
            public byte[] byRes3;
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = NAME_LEN, ArraySubType = UnmanagedType.I1)]
            public byte[] sDVRName;
            public ushort wDVRNameLen;
            public ushort wDVRSerialLen;
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = SERIALNO_LEN, ArraySubType = UnmanagedType.I1)]
            public byte[] sDVRSerialNumber;
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = NAME_LEN, ArraySubType = UnmanagedType.I1)]
            public byte[] sUserName;
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = PASSWD_LEN, ArraySubType = UnmanagedType.I1)]
            public byte[] sPassWord;
            public ushort wDVRPort;
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 2, ArraySubType = UnmanagedType.I1)]
            public byte[] byRes4;
            public byte byChannel;
            public byte byTransProtocol;
            public byte byTransMode;
            public byte byFactoryType;
            public void Init()
            {
                byRes1 = new byte[3];
                byRes3 = new byte[2];
                sDVRName = new byte[NAME_LEN];
                sDVRSerialNumber = new byte[SERIALNO_LEN];
                sUserName = new byte[NAME_LEN];
                sPassWord = new byte[PASSWD_LEN];
                byRes4 = new byte[2];
            }
        }

        [StructLayout(LayoutKind.Sequential)]
        public struct NET_DVR_PU_STREAM_URL
        {
            public byte byEnable;
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 240, ArraySubType = UnmanagedType.I1)]
            public byte[] strURL;
            public byte byTransPortocol;
            public ushort wIPID;
            public byte byChannel;
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 7, ArraySubType = UnmanagedType.I1)]
            public byte[] byRes;
            public void Init()
            {
                strURL = new byte[240];
                byRes = new byte[7];
            }
        }

        [StructLayout(LayoutKind.Sequential)]
        public struct NET_DVR_HKDDNS_STREAM
        {
            public byte byEnable;
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 3, ArraySubType = UnmanagedType.I1)]
            public byte[] byRes;
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 64, ArraySubType = UnmanagedType.I1)]
            public byte[] byDDNSDomain;
            public ushort wPort;
            public ushort wAliasLen;
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = NAME_LEN, ArraySubType = UnmanagedType.I1)]
            public byte[] byAlias;
            public ushort wDVRSerialLen;
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 2, ArraySubType = UnmanagedType.I1)]
            public byte[] byRes1;
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = SERIALNO_LEN, ArraySubType = UnmanagedType.I1)]
            public byte[] byDVRSerialNumber;
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = NAME_LEN, ArraySubType = UnmanagedType.I1)]
            public byte[] byUserName;
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = PASSWD_LEN, ArraySubType = UnmanagedType.I1)]
            public byte[] byPassWord;
            public byte byChannel;
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 11, ArraySubType = UnmanagedType.I1)]
            public byte[] byRes2;
            public void Init()
            {
                byRes = new byte[3];
                byDDNSDomain = new byte[64];
                byAlias = new byte[NAME_LEN];
                byRes1 = new byte[2];
                byDVRSerialNumber = new byte[SERIALNO_LEN];
                byUserName = new byte[NAME_LEN];
                byPassWord = new byte[PASSWD_LEN];
                byRes2 = new byte[11];
            }
        }


        [StructLayout(LayoutKind.Sequential)]
        public struct NET_DVR_IPCHANINFO_V40
        {
            public byte byEnable;				/* 该通道是否在线 */
            public byte byRes1;
            public ushort wIPID;                  //IP设备ID
            public uint dwChannel;				//通道号
            public byte byTransProtocol;		//传输协议类型0-TCP，1-UDP
            public byte byTransMode;			//传输码流模式 0－主码流 1－子码流
            public byte byFactoryType;			/*前端设备厂家类型,通过接口获取*/
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 241, ArraySubType = UnmanagedType.I1)]
            public byte[] byRes;
        }

        [StructLayout(LayoutKind.Explicit)]
        public struct NET_DVR_GET_STREAM_UNION
        {
            [FieldOffset(0)]
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 492, ArraySubType = UnmanagedType.I1)]
            public byte[] byUnion;
        }

        [StructLayout(LayoutKind.Sequential)]
        public struct NET_DVR_STREAM_MODE
        {
            public byte byGetStreamType;/*取流方式：0- 直接从设备取流；1- 从流媒体取流；2- 通过IPServer获得IP地址后取流；
                                          * 3- 通过IPServer找到设备，再通过流媒体取设备的流； 4- 通过流媒体由URL去取流；
                                          * 5- 通过hiDDNS域名连接设备然后从设备取流 */
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 3, ArraySubType = UnmanagedType.I1)]
            public byte[] byRes;
            public NET_DVR_GET_STREAM_UNION uGetStream;
            public void Init()
            {
                byGetStreamType = 0;
                byRes = new byte[3];
                //uGetStream.Init();
            }
        }

        /* V40扩展IP接入配置结构 */
        [StructLayout(LayoutKind.Sequential)]
        public struct NET_DVR_IPPARACFG_V40
        {
            public uint dwSize;/* 结构大小 */
            public uint dwGroupNum;
            public uint dwAChanNum;
            public uint dwDChanNum;
            public uint dwStartDChan;

            [MarshalAs(UnmanagedType.ByValArray, SizeConst = MAX_CHANNUM_V30, ArraySubType = UnmanagedType.I1)]
            public byte[] byAnalogChanEnable; /* 模拟通道是否启用，从低到高表示1-32通道，0表示无效 1有效 */

            [MarshalAs(UnmanagedType.ByValArray, SizeConst = MAX_IP_DEVICE_V40, ArraySubType = UnmanagedType.Struct)]
            public NET_DVR_IPDEVINFO_V31[] struIPDevInfo; /* IP设备 */

            [MarshalAs(UnmanagedType.ByValArray, SizeConst = MAX_CHANNUM_V30, ArraySubType = UnmanagedType.Struct)]
            public NET_DVR_STREAM_MODE[] struStreamMode;/* IP通道 */

            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 20, ArraySubType = UnmanagedType.I1)]
            public byte[] byRes2; /* 模拟通道是否启用，从低到高表示1-32通道，0表示无效 1有效 */
        }

        //为CVR扩展的报警类型
        [StructLayout(LayoutKind.Sequential)]
        public struct NET_DVR_ALARMINFO_DEV
        {
            public uint dwAlarmType;  //0-编码器(通道)信号量报警；1-私有卷二损坏；2- NVR服务退出；
                                      //3-编码器状态异常；4-系统时钟异常；5-录像卷剩余容量过低；
                                      //6-编码器(通道)移动侦测报警；7-编码器(通道)遮挡报警。
            public NET_DVR_TIME struTime;     //报警时间
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 32, ArraySubType = UnmanagedType.I1)]
            public byte[] byRes;    //保留
            public uint dwNumber;     //数目
            public IntPtr pNO;  //dwNumber个WORD; 每个WORD表示一个通道号，或者磁盘号, 无效时为0
        }

        /* 报警输出参数 */
        [StructLayout(LayoutKind.Sequential)]
        public struct NET_DVR_IPALARMOUTINFO
        {
            public byte byIPID;/* IP设备ID取值1- MAX_IP_DEVICE */
            public byte byAlarmOut;/* 报警输出号 */
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 18, ArraySubType = UnmanagedType.I1)]
            public byte[] byRes;/* 保留 */

            public void Init()
            {
                byRes = new byte[18];
            }
        }

        /* IP报警输出配置结构 */
        [StructLayout(LayoutKind.Sequential)]
        public struct NET_DVR_IPALARMOUTCFG
        {
            public uint dwSize; /* 结构大小 */
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = MAX_IP_ALARMOUT, ArraySubType = UnmanagedType.Struct)]
            public NET_DVR_IPALARMOUTINFO[] struIPAlarmOutInfo;/* IP报警输出 */

            public void Init()
            {
                struIPAlarmOutInfo = new NET_DVR_IPALARMOUTINFO[MAX_IP_ALARMOUT];
                for (int i = 0; i < MAX_IP_ALARMOUT; i++)
                {
                    struIPAlarmOutInfo[i].Init();
                }
            }
        }
        /* IP报警输出参数 */
        [StructLayout(LayoutKind.Sequential)]
        public struct NET_DVR_IPALARMOUTINFO_V40
        {
            public uint dwIPID;					/* IP设备ID */
            public uint dwAlarmOut;				/* IP设备ID对应的报警输出号 */
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 32, ArraySubType = UnmanagedType.I1)]
            public byte[] byRes;				/* 保留 */
        }

        /*IP报警输出*/
        [StructLayout(LayoutKind.Sequential)]
        public struct NET_DVR_IPALARMOUTCFG_V40
        {
            public uint dwSize;  //结构体长度
            public uint dwCurIPAlarmOutNum;
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = MAX_IP_ALARMOUT_V40, ArraySubType = UnmanagedType.Struct)]
            public NET_DVR_IPALARMOUTINFO_V40[] struIPAlarmOutInfo;/*IP报警输出*/
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 256, ArraySubType = UnmanagedType.I1)]
            public byte[] byRes;
        }

        /* 报警输入参数 */
        [StructLayout(LayoutKind.Sequential)]
        public struct NET_DVR_IPALARMININFO
        {
            public byte byIPID;/* IP设备ID取值1- MAX_IP_DEVICE */
            public byte byAlarmIn;/* 报警输入号 */
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 18, ArraySubType = UnmanagedType.I1)]
            public byte[] byRes;/* 保留 */
        }

        /* IP报警输入配置结构 */
        [StructLayout(LayoutKind.Sequential)]
        public struct NET_DVR_IPALARMINCFG
        {
            public uint dwSize;/* 结构大小 */
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = MAX_IP_ALARMIN, ArraySubType = UnmanagedType.Struct)]
            public NET_DVR_IPALARMININFO[] struIPAlarmInInfo;/* IP报警输入 */
        }
        /* IP报警输入参数 */
        [StructLayout(LayoutKind.Sequential)]
        public struct NET_DVR_IPALARMININFO_V40
        {
            public uint dwIPID;					/* IP设备ID */
            public uint dwAlarmIn;				/* IP设备ID对应的报警输入号 */
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 32, ArraySubType = UnmanagedType.I1)]
            public byte[] byRes;				/* 保留 */
        }
        /*IP报警输入资源*/
        [StructLayout(LayoutKind.Sequential)]
        public struct NET_DVR_IPALARMINCFG_V40
        {
            public uint dwSize;  //结构体长度
            public uint dwCurIPAlarmInNum;  //当前报警输入口数
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = MAX_IP_ALARMIN_V40, ArraySubType = UnmanagedType.I1)]
            public NET_DVR_IPALARMININFO_V40[] struIPAlarmInInfo;/* IP报警输入*/
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 256, ArraySubType = UnmanagedType.I1)]
            public byte[] byRes;
        }

        //ipc alarm info
        [StructLayout(LayoutKind.Sequential)]
        public struct NET_DVR_IPALARMINFO
        {
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = MAX_IP_DEVICE, ArraySubType = UnmanagedType.Struct)]
            public NET_DVR_IPDEVINFO[] struIPDevInfo; /* IP设备 */
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = MAX_ANALOG_CHANNUM, ArraySubType = UnmanagedType.I1)]
            public byte[] byAnalogChanEnable; /* 模拟通道是否启用，0-未启用 1-启用 */
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = MAX_IP_CHANNEL, ArraySubType = UnmanagedType.Struct)]
            public NET_DVR_IPCHANINFO[] struIPChanInfo;/* IP通道 */
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = MAX_IP_ALARMIN, ArraySubType = UnmanagedType.Struct)]
            public NET_DVR_IPALARMININFO[] struIPAlarmInInfo;/* IP报警输入 */
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = MAX_IP_ALARMOUT, ArraySubType = UnmanagedType.Struct)]
            public NET_DVR_IPALARMOUTINFO[] struIPAlarmOutInfo;/* IP报警输出 */
        }

        //ipc配置改变报警信息扩展 9000_1.1
        [StructLayout(LayoutKind.Sequential)]
        public struct NET_DVR_IPALARMINFO_V31
        {
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = MAX_IP_DEVICE, ArraySubType = UnmanagedType.Struct)]
            public NET_DVR_IPDEVINFO_V31[] struIPDevInfo; /* IP设备 */
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = MAX_ANALOG_CHANNUM, ArraySubType = UnmanagedType.I1)]
            public byte[] byAnalogChanEnable;/* 模拟通道是否启用，0-未启用 1-启用 */
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = MAX_IP_CHANNEL, ArraySubType = UnmanagedType.Struct)]
            public NET_DVR_IPCHANINFO[] struIPChanInfo;/* IP通道 */
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = MAX_IP_ALARMIN, ArraySubType = UnmanagedType.Struct)]
            public NET_DVR_IPALARMININFO[] struIPAlarmInInfo; /* IP报警输入 */
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = MAX_IP_ALARMOUT, ArraySubType = UnmanagedType.Struct)]
            public NET_DVR_IPALARMOUTINFO[] struIPAlarmOutInfo;/* IP报警输出 */
        }

        [StructLayout(LayoutKind.Sequential)]
        public struct NET_DVR_IPALARMINFO_V40
        {
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = MAX_IP_DEVICE_V40, ArraySubType = UnmanagedType.Struct)]
            public NET_DVR_IPDEVINFO_V31[] struIPDevInfo;           // IP设备
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = MAX_CHANNUM_V30, ArraySubType = UnmanagedType.I1)]
            public byte[] byAnalogChanEnable;           /* 模拟通道是否启用，0-未启用 1-启用 */
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = MAX_CHANNUM_V30, ArraySubType = UnmanagedType.Struct)]
            public NET_DVR_IPCHANINFO[] struIPChanInfo;	        /* IP通道 */
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = MAX_IP_ALARMIN, ArraySubType = UnmanagedType.Struct)]
            public NET_DVR_IPALARMININFO[] struIPAlarmInInfo;    /* IP报警输入 */
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = MAX_IP_ALARMOUT, ArraySubType = UnmanagedType.Struct)]
            public NET_DVR_IPALARMOUTINFO[] struIPAlarmOutInfo; /* IP报警输出 */
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 20, ArraySubType = UnmanagedType.I1)]
            public byte[] byRes;                          // 保留字节
        }

        public enum HD_STAT
        {
            HD_STAT_OK = 0,/* 正常 */
            HD_STAT_UNFORMATTED = 1,/* 未格式化 */
            HD_STAT_ERROR = 2,/* 错误 */
            HD_STAT_SMART_FAILED = 3,/* SMART状态 */
            HD_STAT_MISMATCH = 4,/* 不匹配 */
            HD_STAT_IDLE = 5, /* 休眠*/
            NET_HD_STAT_OFFLINE = 6,/*网络盘处于未连接状态 */
            HD_RIADVD_EXPAND = 7,    /* 虚拟磁盘可扩容 */
            HD_STAT_REPARING = 10,   /* 硬盘正在修复(9000 2.0) */
            HD_STAT_FORMATING = 11,   /* 硬盘正在格式化(9000 2.0) */
        }

        //本地硬盘信息配置
        [StructLayout(LayoutKind.Sequential)]
        public struct NET_DVR_SINGLE_HD
        {
            public uint dwHDNo;/*硬盘号, 取值0~MAX_DISKNUM_V30-1*/
            public uint dwCapacity;/*硬盘容量(不可设置)*/
            public uint dwFreeSpace;/*硬盘剩余空间(不可设置)*/
            public uint dwHdStatus;/*硬盘状态(不可设置) HD_STAT*/
            public byte byHDAttr;/*0-默认, 1-冗余; 2-只读*/
            public byte byHDType;/*0-本地硬盘,1-ESATA硬盘,2-NAS硬盘*/
            public byte byDiskDriver;   // 值 代表其ASCII字符 
            public byte byRes1;
            public uint dwHdGroup; /*属于哪个盘组 1-MAX_HD_GROUP*/
            public byte byRecycling;   // 是否循环利用 0：不循环利用，1：循环利用
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 3, ArraySubType = UnmanagedType.I1)]
            public byte[] byRes2;
            public uint dwStorageType;    //按位表示 0-不支持 非0-支持
                                          // dwStorageType & 0x1 表示是否是普通录像专用存储盘     
                                          // dwStorageType & 0x2  表示是否是抽帧录像专用存储盘
                                          // dwStorageType & 0x4 表示是否是图片录像专用存储盘

            public uint dwPictureCapacity; //硬盘图片容量(不可设置)，单位:MB
            public uint dwFreePictureSpace; //剩余图片空间(不可设置)，单位:MB
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 104, ArraySubType = UnmanagedType.I1)]
            public byte[] byRes3;
        }

        [StructLayout(LayoutKind.Sequential)]
        public struct NET_DVR_HDCFG
        {
            public uint dwSize;
            public uint dwHDCount;/*硬盘数(不可设置)*/
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = MAX_DISKNUM_V30, ArraySubType = UnmanagedType.Struct)]
            public NET_DVR_SINGLE_HD[] struHDInfo;//硬盘相关操作都需要重启才能生效；
        }

        //本地盘组信息配置扩展
        [StructLayout(LayoutKind.Sequential)]
        public struct NET_DVR_SINGLE_HDGROUP_V40
        {
            public uint dwHDGroupNo;       /*盘组号(不可设置) 1-MAX_HD_GROUP*/
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = MAX_CHANNUM_V40, ArraySubType = UnmanagedType.U4)]
            public uint[] dwRelRecordChan;  //触发的录像通道，按值表示，遇到0xffffffff时后续视为无效    
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 64, ArraySubType = UnmanagedType.I1)]
            public byte[] byRes;				/* 保留 */
        }

        [StructLayout(LayoutKind.Sequential)]
        public struct NET_DVR_HDGROUP_CFG_V40
        {
            public uint dwSize;                //结构体大小
            public uint dwMaxHDGroupNum; 		  //设备支持的最大盘组数-只读
            public uint dwCurHDGroupNum;       /*当前配置的盘组数*/
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = MAX_HD_GROUP, ArraySubType = UnmanagedType.Struct)]
            public NET_DVR_SINGLE_HDGROUP_V40[] struHDGroupAttr; //硬盘相关操作都需要重启才能生效；
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 128, ArraySubType = UnmanagedType.I1)]
            public byte[] byRes; //保留
        }

        //本地盘组信息配置
        [StructLayout(LayoutKind.Sequential)]
        public struct NET_DVR_SINGLE_HDGROUP
        {
            public uint dwHDGroupNo;/*盘组号(不可设置) 1-MAX_HD_GROUP*/
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 64, ArraySubType = UnmanagedType.I1)]
            public byte[] byHDGroupChans;/*盘组对应的录像通道, 0-表示该通道不录象到该盘组，1-表示录象到该盘组*/
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 8, ArraySubType = UnmanagedType.I1)]
            public byte[] byRes;
        }

        [StructLayout(LayoutKind.Sequential)]
        public struct NET_DVR_HDGROUP_CFG
        {
            public uint dwSize;
            public uint dwHDGroupCount;/*盘组总数(不可设置)*/
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = MAX_HD_GROUP, ArraySubType = UnmanagedType.Struct)]
            public NET_DVR_SINGLE_HDGROUP[] struHDGroupAttr;//硬盘相关操作都需要重启才能生效
        }

        //配置缩放参数的结构
        [StructLayout(LayoutKind.Sequential)]
        public struct NET_DVR_SCALECFG
        {
            public uint dwSize;
            public uint dwMajorScale;/* 主显示 0-不缩放，1-缩放*/
            public uint dwMinorScale;/* 辅显示 0-不缩放，1-缩放*/
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 2, ArraySubType = UnmanagedType.U4)]
            public uint[] dwRes;
        }

        //DVR报警输出(9000扩展)
        [StructLayout(LayoutKind.Sequential)]
        public struct NET_DVR_ALARMOUTCFG_V30
        {
            public uint dwSize;
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = NAME_LEN, ArraySubType = UnmanagedType.I1)]
            public byte[] sAlarmOutName;/* 名称 */
            public uint dwAlarmOutDelay;/* 输出保持时间(-1为无限，手动关闭) */
            //0-5秒,1-10秒,2-30秒,3-1分钟,4-2分钟,5-5分钟,6-10分钟,7-手动
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = MAX_DAYS * MAX_TIMESEGMENT_V30, ArraySubType = UnmanagedType.Struct)]
            public NET_DVR_SCHEDTIME[] struAlarmOutTime;/* 报警输出激活时间段 */
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 16, ArraySubType = UnmanagedType.I1)]
            public byte[] byRes;
        }

        //DVR报警输出
        [StructLayout(LayoutKind.Sequential)]
        public struct NET_DVR_ALARMOUTCFG
        {
            public uint dwSize;
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = NAME_LEN, ArraySubType = UnmanagedType.I1)]
            public byte[] sAlarmOutName;/* 名称 */
            public uint dwAlarmOutDelay;/* 输出保持时间(-1为无限，手动关闭) */
            //0-5秒,1-10秒,2-30秒,3-1分钟,4-2分钟,5-5分钟,6-10分钟,7-手动
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = MAX_DAYS * MAX_TIMESEGMENT, ArraySubType = UnmanagedType.Struct)]
            public NET_DVR_SCHEDTIME[] struAlarmOutTime;/* 报警输出激活时间段 */
        }

        //DVR本地预览参数(9000扩展)
        [StructLayout(LayoutKind.Sequential)]
        public struct NET_DVR_PREVIEWCFG_V30
        {
            public uint dwSize;
            public byte byPreviewNumber;//预览数目,0-1画面,1-4画面,2-9画面,3-16画面,0xff:最大画面
            public byte byEnableAudio;//是否声音预览,0-不预览,1-预览
            public ushort wSwitchTime;//切换时间,0-不切换,1-5s,2-10s,3-20s,4-30s,5-60s,6-120s,7-300s
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = MAX_PREVIEW_MODE * MAX_WINDOW_V30, ArraySubType = UnmanagedType.I1)]
            public byte[] bySwitchSeq;//切换顺序,如果lSwitchSeq[i]为 0xff表示不用
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 24, ArraySubType = UnmanagedType.I1)]
            public byte[] byRes;
        }

        //DVR本地预览参数
        [StructLayout(LayoutKind.Sequential)]
        public struct NET_DVR_PREVIEWCFG
        {
            public uint dwSize;
            public byte byPreviewNumber;//预览数目,0-1画面,1-4画面,2-9画面,3-16画面,0xff:最大画面
            public byte byEnableAudio;//是否声音预览,0-不预览,1-预览
            public ushort wSwitchTime;//切换时间,0-不切换,1-5s,2-10s,3-20s,4-30s,5-60s,6-120s,7-300s
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = MAX_WINDOW, ArraySubType = UnmanagedType.I1)]
            public byte[] bySwitchSeq;//切换顺序,如果lSwitchSeq[i]为 0xff表示不用
        }

        //DVR视频输出
        [StructLayout(LayoutKind.Sequential)]
        public struct NET_DVR_VGAPARA
        {
            public ushort wResolution;/* 分辨率 */
            public ushort wFreq;/* 刷新频率 */
            public uint dwBrightness;/* 亮度 */
        }

        //MATRIX输出参数结构
        [StructLayout(LayoutKind.Sequential)]
        public struct NET_DVR_MATRIXPARA_V30
        {
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = MAX_ANALOG_CHANNUM, ArraySubType = UnmanagedType.U2)]
            public ushort[] wOrder;/* 预览顺序, 0xff表示相应的窗口不预览 */
            public ushort wSwitchTime;// 预览切换时间 
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 14, ArraySubType = UnmanagedType.I1)]
            public byte[] res;
        }

        [StructLayout(LayoutKind.Sequential)]
        public struct NET_DVR_MATRIXPARA
        {
            public ushort wDisplayLogo;/* 显示视频通道号 */
            public ushort wDisplayOsd;/* 显示时间 */
        }

        [StructLayout(LayoutKind.Sequential)]
        public struct NET_DVR_VOOUT
        {
            public byte byVideoFormat;/* 输出制式,0-PAL,1-NTSC */
            public byte byMenuAlphaValue;/* 菜单与背景图象对比度 */
            public ushort wScreenSaveTime;/* 屏幕保护时间 0-从不,1-1分钟,2-2分钟,3-5分钟,4-10分钟,5-20分钟,6-30分钟 */
            public ushort wVOffset;/* 视频输出偏移 */
            public ushort wBrightness;/* 视频输出亮度 */
            public byte byStartMode;/* 启动后视频输出模式(0:菜单,1:预览)*/
            public byte byEnableScaler;/* 是否启动缩放 (0-不启动, 1-启动)*/
        }

        //DVR视频输出(9000扩展)
        [StructLayout(LayoutKind.Sequential)]
        public struct NET_DVR_VIDEOOUT_V30
        {
            public uint dwSize;
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = MAX_VIDEOOUT_V30, ArraySubType = UnmanagedType.Struct)]
            public NET_DVR_VOOUT[] struVOOut;
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = MAX_VGA_V30, ArraySubType = UnmanagedType.Struct)]
            public NET_DVR_VGAPARA[] struVGAPara;/* VGA参数 */
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = MAX_MATRIXOUT, ArraySubType = UnmanagedType.Struct)]
            public NET_DVR_MATRIXPARA_V30[] struMatrixPara;/* MATRIX参数 */
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 16, ArraySubType = UnmanagedType.I1)]
            public byte[] byRes;
        }

        //DVR视频输出
        [StructLayout(LayoutKind.Sequential)]
        public struct NET_DVR_VIDEOOUT
        {
            public uint dwSize;
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = MAX_VIDEOOUT, ArraySubType = UnmanagedType.Struct)]
            public NET_DVR_VOOUT[] struVOOut;
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = MAX_VGA, ArraySubType = UnmanagedType.Struct)]
            public NET_DVR_VGAPARA[] struVGAPara;	/* VGA参数 */
            public NET_DVR_MATRIXPARA struMatrixPara;/* MATRIX参数 */
        }

        //单用户参数(子结构)(扩展)
        [StructLayout(LayoutKind.Sequential)]
        public struct NET_DVR_USER_INFO_V40
        {
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = NAME_LEN, ArraySubType = UnmanagedType.I1)]
            public byte[] sUserName;			/* 用户名只能用16字节 */
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = PASSWD_LEN, ArraySubType = UnmanagedType.I1)]
            public byte[] sPassword;			/* 密码 */
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = MAX_RIGHT, ArraySubType = UnmanagedType.I1)]
            public byte[] byLocalRight; /* 本地权限 */
                                        /*数组0: 本地控制云台*/
                                        /*数组1: 本地手动录象*/
                                        /*数组2: 本地回放*/
                                        /*数组3: 本地设置参数*/
                                        /*数组4: 本地查看状态、日志*/
                                        /*数组5: 本地高级操作(升级，格式化，重启，关机)*/
                                        /*数组6: 本地查看参数 */
                                        /*数组7: 本地管理模拟和IP camera */
                                        /*数组8: 本地备份 */
                                        /*数组9: 本地关机/重启 */
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = MAX_RIGHT, ArraySubType = UnmanagedType.I1)]
            public byte[] byRemoteRight;/* 远程权限 */
                                        /*数组0: 远程控制云台*/
                                        /*数组1: 远程手动录象*/
                                        /*数组2: 远程回放 */
                                        /*数组3: 远程设置参数*/
                                        /*数组4: 远程查看状态、日志*/
                                        /*数组5: 远程高级操作(升级，格式化，重启，关机)*/
                                        /*数组6: 远程发起语音对讲*/
                                        /*数组7: 远程预览*/
                                        /*数组8: 远程请求报警上传、报警输出*/
                                        /*数组9: 远程控制，本地输出*/
                                        /*数组10: 远程控制串口*/
                                        /*数组11: 远程查看参数 */
                                        /*数组12: 远程管理模拟和IP camera */
                                        /*数组13: 远程关机/重启 */
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = MAX_CHANNUM_V40, ArraySubType = UnmanagedType.U4)]
            public uint[] dwNetPreviewRight;			/* 远程可以预览的通道，从前往后顺序排列，遇到0xffffffff后续均为无效*/
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = MAX_CHANNUM_V40, ArraySubType = UnmanagedType.U4)]
            public uint[] dwLocalRecordRight;			/* 本地可以录像的通道，从前往后顺序排列，遇到0xffffffff后续均为无效*/
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = MAX_CHANNUM_V40, ArraySubType = UnmanagedType.U4)]
            public uint[] dwNetRecordRight;			/* 远程可以录像的通道，从前往后顺序排列，遇到0xffffffff后续均为无效*/
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = MAX_CHANNUM_V40, ArraySubType = UnmanagedType.U4)]
            public uint[] dwLocalPlaybackRight;			/* 本地可以回放的通道，从前往后顺序排列，遇到0xffffffff后续均为无效*/
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = MAX_CHANNUM_V40, ArraySubType = UnmanagedType.U4)]
            public uint[] dwNetPlaybackRight;			/* 远程可以回放的通道，从前往后顺序排列，遇到0xffffffff后续均为无效*/
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = MAX_CHANNUM_V40, ArraySubType = UnmanagedType.U4)]
            public uint[] dwLocalPTZRight;				/* 本地可以PTZ的通道，从前往后顺序排列，遇到0xffffffff后续均为无效*/
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = MAX_CHANNUM_V40, ArraySubType = UnmanagedType.U4)]
            public uint[] dwNetPTZRight;				/* 远程可以PTZ的通道，从前往后顺序排列，遇到0xffffffff后续均为无效*/
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = MAX_CHANNUM_V40, ArraySubType = UnmanagedType.U4)]
            public uint[] dwLocalBackupRight;			/* 本地备份权限通道，从前往后顺序排列，遇到0xffffffff后续均为无效*/
            public NET_DVR_IPADDR struUserIP;				/* 用户IP地址(为0时表示允许任何地址) */
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = MACADDR_LEN, ArraySubType = UnmanagedType.I1)]
            public byte[] byMACAddr;	/* 物理地址 */
            public byte byPriority;             /* 优先级，0xff-无，0--低，1--中，2--高 */
                                                /* 无……表示不支持优先级的设置
                                                低……默认权限:包括本地和远程回放,本地和远程查看日志和状态,本地和远程关机/重启
                                                中……包括本地和远程控制云台,本地和远程手动录像,本地和远程回放,语音对讲和远程预览、本地备份,本地/远程关机/重启
                                                高……管理员 */
            public byte byAlarmOnRight;         // 报警输入口布防权限 1-有权限，0-无权限
            public byte byAlarmOffRight;         // 报警输入口撤防权限 1-有权限，0-无权限
            public byte byBypassRight;           // 报警输入口旁路权限 1-有权限，0-无权限 
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 118, ArraySubType = UnmanagedType.I1)]
            public byte[] byRes;
        }

        //单用户参数(子结构)(9000扩展)
        [StructLayout(LayoutKind.Sequential)]
        public struct NET_DVR_USER_INFO_V30
        {
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = NAME_LEN, ArraySubType = UnmanagedType.I1)]
            public byte[] sUserName;/* 用户名 */
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = PASSWD_LEN, ArraySubType = UnmanagedType.I1)]
            public byte[] sPassword;/* 密码 */
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = MAX_RIGHT, ArraySubType = UnmanagedType.I1)]
            public byte[] byLocalRight;/* 本地权限 */
            /*数组0: 本地控制云台*/
            /*数组1: 本地手动录象*/
            /*数组2: 本地回放*/
            /*数组3: 本地设置参数*/
            /*数组4: 本地查看状态、日志*/
            /*数组5: 本地高级操作(升级，格式化，重启，关机)*/
            /*数组6: 本地查看参数 */
            /*数组7: 本地管理模拟和IP camera */
            /*数组8: 本地备份 */
            /*数组9: 本地关机/重启 */
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = MAX_RIGHT, ArraySubType = UnmanagedType.I1)]
            public byte[] byRemoteRight;/* 远程权限 */
            /*数组0: 远程控制云台*/
            /*数组1: 远程手动录象*/
            /*数组2: 远程回放 */
            /*数组3: 远程设置参数*/
            /*数组4: 远程查看状态、日志*/
            /*数组5: 远程高级操作(升级，格式化，重启，关机)*/
            /*数组6: 远程发起语音对讲*/
            /*数组7: 远程预览*/
            /*数组8: 远程请求报警上传、报警输出*/
            /*数组9: 远程控制，本地输出*/
            /*数组10: 远程控制串口*/
            /*数组11: 远程查看参数 */
            /*数组12: 远程管理模拟和IP camera */
            /*数组13: 远程关机/重启 */
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = MAX_CHANNUM_V30, ArraySubType = UnmanagedType.I1)]
            public byte[] byNetPreviewRight;/* 远程可以预览的通道 0-有权限，1-无权限*/
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = MAX_CHANNUM_V30, ArraySubType = UnmanagedType.I1)]
            public byte[] byLocalPlaybackRight;/* 本地可以回放的通道 0-有权限，1-无权限*/
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = MAX_CHANNUM_V30, ArraySubType = UnmanagedType.I1)]
            public byte[] byNetPlaybackRight;/* 远程可以回放的通道 0-有权限，1-无权限*/
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = MAX_CHANNUM_V30, ArraySubType = UnmanagedType.I1)]
            public byte[] byLocalRecordRight;/* 本地可以录像的通道 0-有权限，1-无权限*/
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = MAX_CHANNUM_V30, ArraySubType = UnmanagedType.I1)]
            public byte[] byNetRecordRight;/* 远程可以录像的通道 0-有权限，1-无权限*/
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = MAX_CHANNUM_V30, ArraySubType = UnmanagedType.I1)]
            public byte[] byLocalPTZRight;/* 本地可以PTZ的通道 0-有权限，1-无权限*/
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = MAX_CHANNUM_V30, ArraySubType = UnmanagedType.I1)]
            public byte[] byNetPTZRight;/* 远程可以PTZ的通道 0-有权限，1-无权限*/
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = MAX_CHANNUM_V30, ArraySubType = UnmanagedType.I1)]
            public byte[] byLocalBackupRight;/* 本地备份权限通道 0-有权限，1-无权限*/
            public NET_DVR_IPADDR struUserIP;/* 用户IP地址(为0时表示允许任何地址) */
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = MACADDR_LEN, ArraySubType = UnmanagedType.I1)]
            public byte[] byMACAddr;/* 物理地址 */
            public byte byPriority;/* 优先级，0xff-无，0--低，1--中，2--高 */
            /*
            无……表示不支持优先级的设置
            低……默认权限:包括本地和远程回放,本地和远程查看日志和状态,本地和远程关机/重启
            中……包括本地和远程控制云台,本地和远程手动录像,本地和远程回放,语音对讲和远程预览
                  本地备份,本地/远程关机/重启
            高……管理员
            */
            public byte byAlarmOnRight;         // 报警输入口布防权限
            public byte byAlarmOffRight;        // 报警输入口撤防权限
            public byte byBypassRight;          // 报警输入口旁路权限
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 14, ArraySubType = UnmanagedType.I1)]
            public byte[] byRes;
        }

        //单用户参数(SDK_V15扩展)(子结构)
        [StructLayout(LayoutKind.Sequential, CharSet = CharSet.Ansi)]
        public struct NET_DVR_USER_INFO_EX
        {
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = NAME_LEN, ArraySubType = UnmanagedType.I1)]
            public byte[] sUserName;/* 用户名 */
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = PASSWD_LEN, ArraySubType = UnmanagedType.I1)]
            public byte[] sPassword;/* 密码 */
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = MAX_RIGHT, ArraySubType = UnmanagedType.U4)]
            public uint[] dwLocalRight;/* 权限 */
            /*数组0: 本地控制云台*/
            /*数组1: 本地手动录象*/
            /*数组2: 本地回放*/
            /*数组3: 本地设置参数*/
            /*数组4: 本地查看状态、日志*/
            /*数组5: 本地高级操作(升级，格式化，重启，关机)*/
            public uint dwLocalPlaybackRight;/* 本地可以回放的通道 bit0 -- channel 1*/
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = MAX_RIGHT, ArraySubType = UnmanagedType.U4)]
            public uint[] dwRemoteRight;/* 权限 */
            /*数组0: 远程控制云台*/
            /*数组1: 远程手动录象*/
            /*数组2: 远程回放 */
            /*数组3: 远程设置参数*/
            /*数组4: 远程查看状态、日志*/
            /*数组5: 远程高级操作(升级，格式化，重启，关机)*/
            /*数组6: 远程发起语音对讲*/
            /*数组7: 远程预览*/
            /*数组8: 远程请求报警上传、报警输出*/
            /*数组9: 远程控制，本地输出*/
            /*数组10: 远程控制串口*/
            public uint dwNetPreviewRight;/* 远程可以预览的通道 bit0 -- channel 1*/
            public uint dwNetPlaybackRight;/* 远程可以回放的通道 bit0 -- channel 1*/
            [MarshalAs(UnmanagedType.ByValTStr, SizeConst = 16)]
            public string sUserIP;/* 用户IP地址(为0时表示允许任何地址) */
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = MACADDR_LEN, ArraySubType = UnmanagedType.I1)]
            public byte[] byMACAddr;/* 物理地址 */
        }

        //单用户参数(子结构)
        [StructLayout(LayoutKind.Sequential, CharSet = CharSet.Ansi)]
        public struct NET_DVR_USER_INFO
        {
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = NAME_LEN, ArraySubType = UnmanagedType.I1)]
            public byte[] sUserName;/* 用户名 */
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = PASSWD_LEN, ArraySubType = UnmanagedType.I1)]
            public byte[] sPassword;/* 密码 */
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = MAX_RIGHT, ArraySubType = UnmanagedType.U4)]
            public uint[] dwLocalRight;/* 权限 */
            /*数组0: 本地控制云台*/
            /*数组1: 本地手动录象*/
            /*数组2: 本地回放*/
            /*数组3: 本地设置参数*/
            /*数组4: 本地查看状态、日志*/
            /*数组5: 本地高级操作(升级，格式化，重启，关机)*/
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = MAX_RIGHT, ArraySubType = UnmanagedType.U4)]
            public uint[] dwRemoteRight;/* 权限 */
            /*数组0: 远程控制云台*/
            /*数组1: 远程手动录象*/
            /*数组2: 远程回放 */
            /*数组3: 远程设置参数*/
            /*数组4: 远程查看状态、日志*/
            /*数组5: 远程高级操作(升级，格式化，重启，关机)*/
            /*数组6: 远程发起语音对讲*/
            /*数组7: 远程预览*/
            /*数组8: 远程请求报警上传、报警输出*/
            /*数组9: 远程控制，本地输出*/
            /*数组10: 远程控制串口*/
            [MarshalAs(UnmanagedType.ByValTStr, SizeConst = 16)]
            public string sUserIP;/* 用户IP地址(为0时表示允许任何地址) */
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = MACADDR_LEN, ArraySubType = UnmanagedType.I1)]
            public byte[] byMACAddr;/* 物理地址 */
        }

        //DVR用户参数(扩展)
        [StructLayout(LayoutKind.Sequential)]
        public struct NET_DVR_USER_V40
        {
            public uint dwSize;  //结构体大小
            public uint dwMaxUserNum; //设备支持的最大用户数-只读
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = MAX_USERNUM_V30, ArraySubType = UnmanagedType.Struct)]
            public NET_DVR_USER_INFO_V40[] struUser;  /* 用户参数 */
        }

        //DVR用户参数(9000扩展)
        [StructLayout(LayoutKind.Sequential)]
        public struct NET_DVR_USER_V30
        {
            public uint dwSize;
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = MAX_USERNUM_V30, ArraySubType = UnmanagedType.Struct)]
            public NET_DVR_USER_INFO_V30[] struUser;
        }

        //DVR用户参数(SDK_V15扩展)
        [StructLayout(LayoutKind.Sequential)]
        public struct NET_DVR_USER_EX
        {
            public uint dwSize;
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = MAX_USERNUM, ArraySubType = UnmanagedType.Struct)]
            public NET_DVR_USER_INFO_EX[] struUser;
        }

        //DVR用户参数
        [StructLayout(LayoutKind.Sequential)]
        public struct NET_DVR_USER
        {
            public uint dwSize;
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = MAX_USERNUM, ArraySubType = UnmanagedType.Struct)]
            public NET_DVR_USER_INFO[] struUser;
        }

        //异常参数配置扩展结构体
        [StructLayout(LayoutKind.Sequential)]
        public struct NET_DVR_EXCEPTION_V40
        {
            public uint dwSize;             //结构体大小
            public uint dwMaxGroupNum;    //设备支持的最大组数
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = MAX_EXCEPTIONNUM_V30, ArraySubType = UnmanagedType.Struct)]
            public NET_DVR_HANDLEEXCEPTION_V41[] struExceptionHandle;
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 128, ArraySubType = UnmanagedType.I1)]
            public byte[] byRes;          //保留
        }

        //DVR异常参数(9000扩展)
        [StructLayout(LayoutKind.Sequential)]
        public struct NET_DVR_EXCEPTION_V30
        {
            public uint dwSize;
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = MAX_EXCEPTIONNUM_V30, ArraySubType = UnmanagedType.Struct)]
            public NET_DVR_HANDLEEXCEPTION_V30[] struExceptionHandleType;
            /*数组0-盘满,1- 硬盘出错,2-网线断,3-局域网内IP 地址冲突, 4-非法访问, 5-输入/输出视频制式不匹配, 6-视频信号异常, 7-录像异常*/
        }

        //DVR异常参数
        [StructLayout(LayoutKind.Sequential)]
        public struct NET_DVR_EXCEPTION
        {
            public uint dwSize;
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = MAX_EXCEPTIONNUM, ArraySubType = UnmanagedType.Struct)]
            public NET_DVR_HANDLEEXCEPTION[] struExceptionHandleType;
            /*数组0-盘满,1- 硬盘出错,2-网线断,3-局域网内IP 地址冲突,4-非法访问, 5-输入/输出视频制式不匹配, 6-视频信号异常*/
        }

        //通道状态(9000扩展)
        [StructLayout(LayoutKind.Sequential)]
        public struct NET_DVR_CHANNELSTATE_V30
        {
            public byte byRecordStatic;//通道是否在录像,0-不录像,1-录像
            public byte bySignalStatic;//连接的信号状态,0-正常,1-信号丢失
            public byte byHardwareStatic;//通道硬件状态,0-正常,1-异常,例如DSP死掉
            public byte byRes1;//保留
            public uint dwBitRate;//实际码率
            public uint dwLinkNum;//客户端连接的个数
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = MAX_LINK, ArraySubType = UnmanagedType.Struct)]
            public NET_DVR_IPADDR[] struClientIP;//客户端的IP地址
            public uint dwIPLinkNum;//如果该通道为IP接入，那么表示IP接入当前的连接数
            public byte byExceedMaxLink;		// 是否超出了单路6路连接数 0 - 未超出, 1-超出
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 7, ArraySubType = UnmanagedType.I1)]
            public byte[] byRes;
            public uint dwChannelNo;    //当前的通道号，0xffffffff表示无效

            public void Init()
            {
                struClientIP = new NET_DVR_IPADDR[MAX_LINK];

                for (int i = 0; i < MAX_LINK; i++)
                {
                    struClientIP[i].Init();
                }
                byRes = new byte[12];
            }
        }

        //通道状态
        [StructLayout(LayoutKind.Sequential)]
        public struct NET_DVR_CHANNELSTATE
        {
            public byte byRecordStatic;//通道是否在录像,0-不录像,1-录像
            public byte bySignalStatic;//连接的信号状态,0-正常,1-信号丢失
            public byte byHardwareStatic;//通道硬件状态,0-正常,1-异常,例如DSP死掉
            public byte reservedData;//保留
            public uint dwBitRate;//实际码率
            public uint dwLinkNum;//客户端连接的个数
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = MAX_LINK, ArraySubType = UnmanagedType.U4)]
            public uint[] dwClientIP;//客户端的IP地址
        }

        //硬盘状态
        [StructLayout(LayoutKind.Sequential)]
        public struct NET_DVR_DISKSTATE
        {
            public uint dwVolume;//硬盘的容量
            public uint dwFreeSpace;//硬盘的剩余空间
            public uint dwHardDiskStatic;//硬盘的状态,0-活动,1-休眠,2-不正常
        }

        //设备工作状态扩展结构体
        [StructLayout(LayoutKind.Sequential)]
        public struct NET_DVR_WORKSTATE_V40
        {
            public uint dwSize;            //结构体大小
            public uint dwDeviceStatic; 	 //设备的状态,0-正常,1-CPU占用率太高,超过85%,2-硬件错误,例如串口死掉
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = MAX_DISKNUM_V30, ArraySubType = UnmanagedType.Struct)]
            public NET_DVR_DISKSTATE[] struHardDiskStatic;   //硬盘状态,一次最多只能获取33个硬盘信息
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = MAX_CHANNUM_V40, ArraySubType = UnmanagedType.Struct)]
            public NET_DVR_CHANNELSTATE_V30[] struChanStatic;//通道的状态，从前往后顺序排列
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = MAX_ALARMIN_V40, ArraySubType = UnmanagedType.U4)]
            public uint[] dwHasAlarmInStatic; //有报警的报警输入口，按值表示，按下标值顺序排列，值为0xffffffff时当前及后续值无效
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = MAX_ALARMOUT_V40, ArraySubType = UnmanagedType.U4)]
            public uint[] dwHasAlarmOutStatic; //有报警输出的报警输出口，按值表示，按下标值顺序排列，值为0xffffffff时当前及后续值无效
            public uint dwLocalDisplay;			//本地显示状态,0-正常,1-不正常
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = MAX_AUDIO_V30, ArraySubType = UnmanagedType.I1)]
            public byte[] byAudioInChanStatus;		//按位表示语音通道的状态 0-未使用，1-使用中，第0位表示第1个语音通道
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 126, ArraySubType = UnmanagedType.I1)]
            public byte[] byRes; 				//保留
        }

        [StructLayout(LayoutKind.Sequential)]
        public struct NET_DVR_GETWORKSTATE_COND
        {
            public uint dwSize;  //结构体长度
            public byte byFindHardByCond; /*0-查找全部磁盘(但一次最多只能查找33个)，此时dwFindHardStatusNum无效*/
            public byte byFindChanByCond;  /*0-查找全部通道，此时dwFindChanNum无效*/
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 2, ArraySubType = UnmanagedType.I1)]
            public byte[] byRes1;//保留	
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = MAX_DISKNUM_V30, ArraySubType = UnmanagedType.U4)]
            public uint[] dwFindHardStatus; /*要查找的硬盘号，按值表示，该值采用顺序排列， 遇到0xffffffff则认为后续无效 */
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = MAX_CHANNUM_V40, ArraySubType = UnmanagedType.U4)]
            public uint[] dwFindChanNo; /*要查找的通道号，按值表示，该值采用顺序排列， 遇到0xffffffff则认为后续无效 */
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 64, ArraySubType = UnmanagedType.I1)]
            public byte[] byRes; //保留
        }

        //DVR工作状态(9000扩展)
        [StructLayout(LayoutKind.Sequential)]
        public struct NET_DVR_WORKSTATE_V30
        {
            public uint dwDeviceStatic;//设备的状态,0-正常,1-CPU占用率太高,超过85%,2-硬件错误,例如串口死掉
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = MAX_DISKNUM_V30, ArraySubType = UnmanagedType.Struct)]
            public NET_DVR_DISKSTATE[] struHardDiskStatic;
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = MAX_CHANNUM_V30, ArraySubType = UnmanagedType.Struct)]
            public NET_DVR_CHANNELSTATE_V30[] struChanStatic;//通道的状态
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = MAX_ALARMIN_V30, ArraySubType = UnmanagedType.I1)]
            public byte[] byAlarmInStatic;//报警端口的状态,0-没有报警,1-有报警
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = MAX_ALARMOUT_V30, ArraySubType = UnmanagedType.I1)]
            public byte[] byAlarmOutStatic;//报警输出端口的状态,0-没有输出,1-有报警输出
            public uint dwLocalDisplay;//本地显示状态,0-正常,1-不正常
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = MAX_AUDIO_V30, ArraySubType = UnmanagedType.I1)]
            public byte[] byAudioChanStatus;//表示语音通道的状态 0-未使用，1-使用中, 0xff无效
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 10, ArraySubType = UnmanagedType.I1)]
            public byte[] byRes;

            public void Init()
            {
                struHardDiskStatic = new NET_DVR_DISKSTATE[MAX_DISKNUM_V30];
                struChanStatic = new NET_DVR_CHANNELSTATE_V30[MAX_CHANNUM_V30];
                for (int i = 0; i < MAX_CHANNUM_V30; i++)
                {
                    struChanStatic[i].Init();
                }
                byAlarmInStatic = new byte[MAX_ALARMOUT_V30];
                byAlarmOutStatic = new byte[MAX_ALARMOUT_V30];
                byAudioChanStatus = new byte[MAX_AUDIO_V30];
                byRes = new byte[10];
            }
        }

        //DVR工作状态
        [StructLayout(LayoutKind.Sequential)]
        public struct NET_DVR_WORKSTATE
        {
            public uint dwDeviceStatic;//设备的状态,0-正常,1-CPU占用率太高,超过85%,2-硬件错误,例如串口死掉
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = MAX_DISKNUM, ArraySubType = UnmanagedType.Struct)]
            public NET_DVR_DISKSTATE[] struHardDiskStatic;
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = MAX_CHANNUM, ArraySubType = UnmanagedType.Struct)]
            public NET_DVR_CHANNELSTATE[] struChanStatic;//通道的状态
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = MAX_ALARMIN, ArraySubType = UnmanagedType.I1)]
            public byte[] byAlarmInStatic;//报警端口的状态,0-没有报警,1-有报警
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = MAX_ALARMOUT, ArraySubType = UnmanagedType.I1)]
            public byte[] byAlarmOutStatic;//报警输出端口的状态,0-没有输出,1-有报警输出
            public uint dwLocalDisplay;//本地显示状态,0-正常,1-不正常

            public void Init()
            {
                struHardDiskStatic = new NET_DVR_DISKSTATE[MAX_DISKNUM];
                struChanStatic = new NET_DVR_CHANNELSTATE[MAX_CHANNUM];
                byAlarmInStatic = new byte[MAX_ALARMIN];
                byAlarmOutStatic = new byte[MAX_ALARMOUT];
            }
        }

        //日志信息(9000扩展)
        [StructLayout(LayoutKind.Sequential, CharSet = CharSet.Ansi)]
        public struct NET_DVR_LOG_V30
        {
            public NET_DVR_TIME strLogTime;
            public uint dwMajorType;//主类型 1-报警; 2-异常; 3-操作; 0xff-全部
            public uint dwMinorType;//次类型 0-全部;
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = MAX_NAMELEN, ArraySubType = UnmanagedType.I1)]
            public byte[] sPanelUser;//操作面板的用户名
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = MAX_NAMELEN, ArraySubType = UnmanagedType.I1)]
            public byte[] sNetUser;//网络操作的用户名
            public NET_DVR_IPADDR struRemoteHostAddr;//远程主机地址
            public uint dwParaType;//参数类型
            public uint dwChannel;//通道号
            public uint dwDiskNumber;//硬盘号
            public uint dwAlarmInPort;//报警输入端口
            public uint dwAlarmOutPort;//报警输出端口
            public uint dwInfoLen;
            [MarshalAs(UnmanagedType.ByValTStr, SizeConst = LOG_INFO_LEN)]
            public string sInfo;
        }

        //日志信息
        [StructLayout(LayoutKind.Sequential, CharSet = CharSet.Ansi)]
        public struct NET_DVR_LOG
        {
            public NET_DVR_TIME strLogTime;
            public uint dwMajorType;//主类型 1-报警; 2-异常; 3-操作; 0xff-全部
            public uint dwMinorType;//次类型 0-全部;
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = MAX_NAMELEN, ArraySubType = UnmanagedType.I1)]
            public byte[] sPanelUser;//操作面板的用户名
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = MAX_NAMELEN, ArraySubType = UnmanagedType.I1)]
            public byte[] sNetUser;//网络操作的用户名
            [MarshalAs(UnmanagedType.ByValTStr, SizeConst = 16)]
            public string sRemoteHostAddr;//远程主机地址
            public uint dwParaType;//参数类型
            public uint dwChannel;//通道号
            public uint dwDiskNumber;//硬盘号
            public uint dwAlarmInPort;//报警输入端口
            public uint dwAlarmOutPort;//报警输出端口
        }

        /************************动环报警管理主机日志查找 begin************************************************/
        [StructLayout(LayoutKind.Sequential)]
        public struct NET_DVR_ALARMHOST_SEARCH_LOG_PARAM
        {
            public ushort wMajorType;		// 主类型
            public ushort wMinorType;		// 次类型 
            public NET_DVR_TIME struStartTime;	// 开始时间 
            public NET_DVR_TIME struEndTime;	// 结束时间
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 8, ArraySubType = UnmanagedType.I1)]
            public byte[] byRes;		// 保留字节
        }

        [StructLayout(LayoutKind.Sequential)]
        public struct NET_DVR_ALARMHOST_LOG_RET
        {
            public NET_DVR_TIME struLogTime;                //  日志时间
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = NAME_LEN, ArraySubType = UnmanagedType.I1)]
            public byte[] sUserName;     // 操作用户
            public NET_DVR_IPADDR struIPAddr;                 // 操作IP地址
            public ushort wMajorType;                 // 主类型 
            public ushort wMinorType;                 // 次类型
            public ushort wParam;	                    // 操作参数
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 10, ArraySubType = UnmanagedType.I1)]
            public byte[] byRes;
            public uint dwInfoLen;	                // 描述信息长度
            [MarshalAs(UnmanagedType.ByValTStr, SizeConst = LOG_INFO_LEN)]
            public string sInfo;       // 描述信息
        }
        /*************************动环报警管理主机日志查找 end***********************************************/

        //报警输出状态(9000扩展)
        [StructLayout(LayoutKind.Sequential)]
        public struct NET_DVR_ALARMOUTSTATUS_V30
        {
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = MAX_ALARMOUT_V30, ArraySubType = UnmanagedType.I1)]
            public byte[] Output;

            public void Init()
            {
                Output = new byte[MAX_ALARMOUT_V30];
            }
        }

        //报警输出状态
        [StructLayout(LayoutKind.Sequential)]
        public struct NET_DVR_ALARMOUTSTATUS
        {
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 4, ArraySubType = UnmanagedType.I1)]
            public byte[] Output;
        }

        //ATM专用
        /****************************ATM(begin)***************************/
        public const int NCR = 0;
        public const int DIEBOLD = 1;
        public const int WINCOR_NIXDORF = 2;
        public const int SIEMENS = 3;
        public const int OLIVETTI = 4;
        public const int FUJITSU = 5;
        public const int HITACHI = 6;
        public const int SMI = 7;
        public const int IBM = 8;
        public const int BULL = 9;
        public const int YiHua = 10;
        public const int LiDe = 11;
        public const int GDYT = 12;
        public const int Mini_Banl = 13;
        public const int GuangLi = 14;
        public const int DongXin = 15;
        public const int ChenTong = 16;
        public const int NanTian = 17;
        public const int XiaoXing = 18;
        public const int GZYY = 19;
        public const int QHTLT = 20;
        public const int DRS918 = 21;
        public const int KALATEL = 22;
        public const int NCR_2 = 23;
        public const int NXS = 24;

        //交易信息
        [StructLayout(LayoutKind.Sequential, CharSet = CharSet.Ansi)]
        public struct NET_DVR_TRADEINFO
        {
            public ushort m_Year;
            public ushort m_Month;
            public ushort m_Day;
            public ushort m_Hour;
            public ushort m_Minute;
            public ushort m_Second;
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 24, ArraySubType = UnmanagedType.I1)]
            public byte[] DeviceName;//设备名称
            public uint dwChannelNumer;//通道号
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 32, ArraySubType = UnmanagedType.I1)]
            public byte[] CardNumber;//卡号
            [MarshalAs(UnmanagedType.ByValTStr, SizeConst = 12)]
            public string cTradeType;//交易类型
            public uint dwCash;//交易金额
        }

        /*帧格式*/
        [StructLayout(LayoutKind.Sequential)]
        public struct NET_DVR_FRAMETYPECODE
        {
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 12, ArraySubType = UnmanagedType.I1)]
            public byte[] code;/* 代码 */
        }

        //ATM参数
        [StructLayout(LayoutKind.Sequential, CharSet = CharSet.Ansi)]
        public struct NET_DVR_FRAMEFORMAT
        {
            public uint dwSize;
            [MarshalAs(UnmanagedType.ByValTStr, SizeConst = 16)]
            public string sATMIP;/* ATM IP地址 */
            public uint dwATMType;/* ATM类型 */
            public uint dwInputMode;/* 输入方式	0-网络侦听 1-网络接收 2-串口直接输入 3-串口ATM命令输入*/
            public uint dwFrameSignBeginPos;/* 报文标志位的起始位置*/
            public uint dwFrameSignLength;/* 报文标志位的长度 */
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 12, ArraySubType = UnmanagedType.I1)]
            public byte[] byFrameSignContent;/* 报文标志位的内容 */
            public uint dwCardLengthInfoBeginPos;/* 卡号长度信息的起始位置 */
            public uint dwCardLengthInfoLength;/* 卡号长度信息的长度 */
            public uint dwCardNumberInfoBeginPos;/* 卡号信息的起始位置 */
            public uint dwCardNumberInfoLength;/* 卡号信息的长度 */
            public uint dwBusinessTypeBeginPos;/* 交易类型的起始位置 */
            public uint dwBusinessTypeLength;/* 交易类型的长度 */
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 10, ArraySubType = UnmanagedType.Struct)]
            public NET_DVR_FRAMETYPECODE[] frameTypeCode;/* 类型 */
        }

        //SDK_V31 ATM
        /*过滤设置*/
        [StructLayout(LayoutKind.Sequential)]
        public struct NET_DVR_FILTER
        {
            public byte byEnable;/*0,不启用;1,启用*/
            public byte byMode;/*0,ASCII;1,HEX*/
            public byte byFrameBeginPos;// 报文标志位的起始位置     
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 1, ArraySubType = UnmanagedType.I1)]
            public byte[] byRes;
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 16, ArraySubType = UnmanagedType.I1)]
            public byte[] byFilterText;/*过滤字符串*/
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 12, ArraySubType = UnmanagedType.I1)]
            public byte[] byRes2;
        }

        /*起始标识设置*/
        [StructLayout(LayoutKind.Sequential)]
        public struct NET_DVR_IDENTIFICAT
        {
            public byte byStartMode;/*0,ASCII;1,HEX*/
            public byte byEndMode;/*0,ASCII;1,HEX*/
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 2, ArraySubType = UnmanagedType.I1)]
            public byte[] byRes;
            public NET_DVR_FRAMETYPECODE struStartCode;/*起始字符*/
            public NET_DVR_FRAMETYPECODE struEndCode;/*结束字符*/
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 12, ArraySubType = UnmanagedType.I1)]
            public byte[] byRes1;
        }

        /*报文信息位置*/
        [StructLayout(LayoutKind.Sequential)]
        public struct NET_DVR_PACKAGE_LOCATION
        {
            public byte byOffsetMode;/*0,token;1,fix*/
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 3, ArraySubType = UnmanagedType.I1)]
            public byte[] byRes1;
            public uint dwOffsetPos;/*mode为1的时候使用*/
            public NET_DVR_FRAMETYPECODE struTokenCode;/*标志位*/
            public byte byMultiplierValue;/*标志位多少次出现*/
            public byte byEternOffset;/*附加的偏移量*/
            public byte byCodeMode;/*0,ASCII;1,HEX*/
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 9, ArraySubType = UnmanagedType.I1)]
            public byte[] byRes2;
        }

        /*报文信息长度*/
        [StructLayout(LayoutKind.Sequential)]
        public struct NET_DVR_PACKAGE_LENGTH
        {
            public byte byLengthMode;/*长度类型，0,variable;1,fix;2,get from package(设置卡号长度使用)*/
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 3, ArraySubType = UnmanagedType.I1)]
            public byte[] byRes1;
            public uint dwFixLength;/*mode为1的时候使用*/
            public uint dwMaxLength;
            public uint dwMinLength;
            public byte byEndMode;/*终结符0,ASCII;1,HEX*/
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 3, ArraySubType = UnmanagedType.I1)]
            public byte[] byRes2;
            public NET_DVR_FRAMETYPECODE struEndCode;/*终结符*/
            public uint dwLengthPos;/*lengthMode为2的时候使用，卡号长度在报文中的位置*/
            public uint dwLengthLen;/*lengthMode为2的时候使用，卡号长度的长度*/
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 8, ArraySubType = UnmanagedType.I1)]
            public byte[] byRes3;
        }

        /*OSD 叠加的位置*/
        [StructLayout(LayoutKind.Sequential)]
        public struct NET_DVR_OSD_POSITION
        {
            public byte byPositionMode;/*叠加风格，共2种；0，不显示；1，Custom*/
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 3, ArraySubType = UnmanagedType.I1)]
            public byte[] byRes1;
            public uint dwPos_x;/*x坐标，positionmode为Custom时使用*/
            public uint dwPos_y;/*y坐标，positionmode为Custom时使用*/
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 8, ArraySubType = UnmanagedType.I1)]
            public byte[] byRes2;
        }

        /*日期显示格式*/
        [StructLayout(LayoutKind.Sequential, CharSet = CharSet.Ansi)]
        public struct NET_DVR_DATE_FORMAT
        {
            public byte byItem1;/*Month,0.mm;1.mmm;2.mmmm*/
            public byte byItem2;/*Day,0.dd;*/
            public byte byItem3;/*Year,0.yy;1.yyyy*/
            public byte byDateForm;/*0~5，3个item的排列组合*/
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 20, ArraySubType = UnmanagedType.I1)]
            public byte[] byRes;
            [MarshalAs(UnmanagedType.ByValTStr, SizeConst = 4)]
            public string chSeprator;/*分隔符*/
            [MarshalAs(UnmanagedType.ByValTStr, SizeConst = 4)]
            public string chDisplaySeprator;/*显示分隔符*/
            public byte byDisplayForm;/*0~5，3个item的排列组合*///lili mode by lili
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 27, ArraySubType = UnmanagedType.I1)]
            public byte[] res;
        }

        /*时间显示格式*/
        [StructLayout(LayoutKind.Sequential, CharSet = CharSet.Ansi)]
        public struct NET_DVRT_TIME_FORMAT
        {
            public byte byTimeForm;/*1. HH MM SS;0. HH MM*/
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 23, ArraySubType = UnmanagedType.I1)]
            public byte[] byRes1;
            public byte byHourMode;/*0,12;1,24*/ //lili mode
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 3, ArraySubType = UnmanagedType.I1)]
            public byte[] byRes2;
            [MarshalAs(UnmanagedType.ByValTStr, SizeConst = 4)]
            public string chSeprator;/*报文分隔符，暂时没用*/
            [MarshalAs(UnmanagedType.ByValTStr, SizeConst = 4)]
            public string chDisplaySeprator;/*显示分隔符*/
            public byte byDisplayForm;/*0~5，3个item的排列组合*/
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 3, ArraySubType = UnmanagedType.I1)]
            public byte[] byRes3;
            public byte byDisplayHourMode;/*0,12;1,24*/ //lili mode
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 19, ArraySubType = UnmanagedType.I1)]
            public byte[] byRes4;
        }

        [StructLayout(LayoutKind.Sequential)]
        public struct NET_DVR_OVERLAY_CHANNEL
        {
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 64, ArraySubType = UnmanagedType.I1)]
            public byte[] byChannel;/*叠加的通道*/
            public uint dwDelayTime;/*叠加延时时间*/
            public byte byEnableDelayTime;/*是否启用叠加延时，在无退卡命令时启用*/
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 11, ArraySubType = UnmanagedType.I1)]
            public byte[] byRes;
        }

        [StructLayout(LayoutKind.Sequential)]
        public struct NET_DVR_ATM_PACKAGE_ACTION
        {
            public NET_DVR_PACKAGE_LOCATION struPackageLocation;
            public NET_DVR_OSD_POSITION struOsdPosition;
            public NET_DVR_FRAMETYPECODE struActionCode;/*交易类型等对应的码*/
            public NET_DVR_FRAMETYPECODE struPreCode;/*叠加字符前的字符*/
            public byte byActionCodeMode;/*交易类型等对应的码0,ASCII;1,HEX*/
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 7, ArraySubType = UnmanagedType.I1)]
            public byte[] byRes;
        }

        [StructLayout(LayoutKind.Sequential)]
        public struct NET_DVR_ATM_PACKAGE_DATE
        {
            public NET_DVR_PACKAGE_LOCATION struPackageLocation;
            public NET_DVR_DATE_FORMAT struDateForm;
            public NET_DVR_OSD_POSITION struOsdPosition;
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 8, ArraySubType = UnmanagedType.I1)]
            public byte[] res;
        }

        [StructLayout(LayoutKind.Sequential)]
        public struct NET_DVR_ATM_PACKAGE_TIME
        {
            public NET_DVR_PACKAGE_LOCATION location;
            public NET_DVRT_TIME_FORMAT struTimeForm;
            public NET_DVR_OSD_POSITION struOsdPosition;
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 8, ArraySubType = UnmanagedType.I1)]
            public byte[] byRes;
        }

        [StructLayout(LayoutKind.Sequential)]
        public struct NET_DVR_ATM_PACKAGE_OTHERS
        {
            public NET_DVR_PACKAGE_LOCATION struPackageLocation;
            public NET_DVR_PACKAGE_LENGTH struPackageLength;
            public NET_DVR_OSD_POSITION struOsdPosition;
            public NET_DVR_FRAMETYPECODE struPreCode;/*叠加字符前的字符*/
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 8, ArraySubType = UnmanagedType.I1)]
            public byte[] res;
        }

        //用户自定义协议
        [StructLayout(LayoutKind.Sequential)]
        public struct NET_DVR_ATM_USER_DEFINE_PROTOCOL
        {
            public NET_DVR_IDENTIFICAT struIdentification;  //报文标志
            public NET_DVR_FILTER struFilter; //数据包过滤设置
            public NET_DVR_ATM_PACKAGE_OTHERS struCardNoPara; //叠加卡号设置
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = MAX_ACTION_TYPE, ArraySubType = UnmanagedType.Struct)]
            public NET_DVR_ATM_PACKAGE_ACTION[] struTradeActionPara; //叠加交易行为设置 0-9 依次对应InCard OutCard OverLay SetTime GetStatus Query WithDraw Deposit ChanPass Transfer
            public NET_DVR_ATM_PACKAGE_OTHERS struAmountPara; //叠加交易金额设置
            public NET_DVR_ATM_PACKAGE_OTHERS struSerialNoPara; //叠加交易序号设置
            public NET_DVR_OVERLAY_CHANNEL struOverlayChan; //叠加通道设置
            public NET_DVR_ATM_PACKAGE_DATE struRes1; //叠加日期，保留
            public NET_DVR_ATM_PACKAGE_TIME struRes2; //叠加时间，保留
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 124, ArraySubType = UnmanagedType.I1)]
            public byte[] byRes3;        //保留
        }

        [StructLayout(LayoutKind.Sequential)]
        public struct NET_DVR_ATM_FRAMEFORMAT_V30
        {
            public uint dwSize;                 //结构大小
            public byte byEnable;				/*是否启用0,不启用;1,启用*/
            public byte byInputMode;			/**输入方式:0-网络监听、1网络协议、2-串口监听、3-串口协议*/
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 34, ArraySubType = UnmanagedType.I1)]
            public byte[] byRes1;              //保留字节 
            public NET_DVR_IPADDR struAtmIp;				/*ATM 机IP 网络监听时使用 */
            public ushort wAtmPort;				/* 网络协议方式时是使用*/
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 2, ArraySubType = UnmanagedType.I1)]
            public byte[] byRes2;              // 保留字节
            public uint dwAtmType;				/*ATM协议类型，从NET_DVR_ATM_PROTOCOL结构中获取，如果类型为自定义时使用用户自定义协议*/
            public NET_DVR_ATM_USER_DEFINE_PROTOCOL struAtmUserDefineProtocol; //用户自定义协议，当ATM类型为自定时需要使用该定义
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 8, ArraySubType = UnmanagedType.I1)]
            public byte[] byRes3;
        }

        //协议信息数据结构
        [StructLayout(LayoutKind.Sequential)]
        public struct NET_DVR_ATM_PROTO_TYPE
        {
            public uint dwAtmType; //ATM协议类型，同时作为索引序号 ATM 配置中的dwAtmType 自定义时为1025
            [MarshalAs(UnmanagedType.ByValTStr, SizeConst = ATM_DESC_LEN)]
            public string chDesc; //ATM协议简单描述
        }

        [StructLayout(LayoutKind.Sequential, CharSet = CharSet.Ansi)]
        public struct NET_DVR_ATM_PROTO_LIST
        {
            public uint dwAtmProtoNum;/*协议列表的个数*/
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = MAX_ATM_PROTOCOL_NUM, ArraySubType = UnmanagedType.Struct)]
            public NET_DVR_ATM_PROTO_TYPE[] struAtmProtoType;/*协议列表信息*/
        }

        [StructLayout(LayoutKind.Sequential)]
        public struct NET_DVR_ATM_PROTOCOL
        {
            public uint dwSize;
            public NET_DVR_ATM_PROTO_LIST struNetListenList;     // 网络监听协议描述
            public NET_DVR_ATM_PROTO_LIST struSerialListenList; //串口监听协议描述
            public NET_DVR_ATM_PROTO_LIST struNetProtoList;     //网络协议描述
            public NET_DVR_ATM_PROTO_LIST struSerialProtoList;   //串口协议描述
            public NET_DVR_ATM_PROTO_TYPE struCustomProto;      //自定义协议            
        }

        /*****************************DS-6001D/F(begin)***************************/
        //DS-6001D Decoder
        [StructLayout(LayoutKind.Sequential)]
        public struct NET_DVR_DECODERINFO
        {
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 16, ArraySubType = UnmanagedType.I1)]
            public byte[] byEncoderIP;//解码设备连接的服务器IP
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 16, ArraySubType = UnmanagedType.I1)]
            public byte[] byEncoderUser;//解码设备连接的服务器的用户名
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 16, ArraySubType = UnmanagedType.I1)]
            public byte[] byEncoderPasswd;//解码设备连接的服务器的密码
            public byte bySendMode;//解码设备连接服务器的连接模式
            public byte byEncoderChannel;//解码设备连接的服务器的通道号
            public ushort wEncoderPort;//解码设备连接的服务器的端口号
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 4, ArraySubType = UnmanagedType.I1)]
            public byte[] reservedData;//保留
        }

        [StructLayout(LayoutKind.Sequential)]
        public struct NET_DVR_DECODERSTATE
        {
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 16, ArraySubType = UnmanagedType.I1)]
            public byte[] byEncoderIP;//解码设备连接的服务器IP
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 16, ArraySubType = UnmanagedType.I1)]
            public byte[] byEncoderUser;//解码设备连接的服务器的用户名
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 16, ArraySubType = UnmanagedType.I1)]
            public byte[] byEncoderPasswd;//解码设备连接的服务器的密码
            public byte byEncoderChannel;//解码设备连接的服务器的通道号
            public byte bySendMode;//解码设备连接的服务器的连接模式
            public ushort wEncoderPort;//解码设备连接的服务器的端口号
            public uint dwConnectState;//解码设备连接服务器的状态
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 4, ArraySubType = UnmanagedType.I1)]
            public byte[] reservedData;//保留
        }

        /*解码设备控制码定义*/
        public const int NET_DEC_STARTDEC = 1;
        public const int NET_DEC_STOPDEC = 2;
        public const int NET_DEC_STOPCYCLE = 3;
        public const int NET_DEC_CONTINUECYCLE = 4;

        /*连接的通道配置*/
        [StructLayout(LayoutKind.Sequential, CharSet = CharSet.Ansi)]
        public struct NET_DVR_DECCHANINFO
        {
            [MarshalAs(UnmanagedType.ByValTStr, SizeConst = 16)]
            public string sDVRIP;/* DVR IP地址 */
            public ushort wDVRPort;/* 端口号 */
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = NAME_LEN, ArraySubType = UnmanagedType.I1)]
            public byte[] sUserName;/* 用户名 */
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = PASSWD_LEN, ArraySubType = UnmanagedType.I1)]
            public byte[] sPassword;/* 密码 */
            public byte byChannel;/* 通道号 */
            public byte byLinkMode;/* 连接模式 */
            public byte byLinkType;/* 连接类型 0－主码流 1－子码流 */
        }

        /*每个解码通道的配置*/
        [StructLayout(LayoutKind.Sequential)]
        public struct NET_DVR_DECINFO
        {
            public byte byPoolChans;/*每路解码通道上的循环通道数量, 最多4通道 0表示没有解码*/
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = MAX_DECPOOLNUM, ArraySubType = UnmanagedType.Struct)]
            public NET_DVR_DECCHANINFO[] struchanConInfo;
            public byte byEnablePoll;/*是否轮巡 0-否 1-是*/
            public byte byPoolTime;/*轮巡时间 0-保留 1-10秒 2-15秒 3-20秒 4-30秒 5-45秒 6-1分钟 7-2分钟 8-5分钟 */
        }

        /*整个设备解码配置*/
        [StructLayout(LayoutKind.Sequential)]
        public struct NET_DVR_DECCFG
        {
            public uint dwSize;
            public uint dwDecChanNum;/*解码通道的数量*/
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = MAX_DECNUM, ArraySubType = UnmanagedType.Struct)]
            public NET_DVR_DECINFO[] struDecInfo;
        }

        //2005-08-01
        /* 解码设备透明通道设置 */
        [StructLayout(LayoutKind.Sequential, CharSet = CharSet.Ansi)]
        public struct NET_DVR_PORTINFO
        {
            public uint dwEnableTransPort;/* 是否启动透明通道 0－不启用 1－启用*/
            [MarshalAs(UnmanagedType.ByValTStr, SizeConst = 16)]
            public string sDecoderIP;/* DVR IP地址 */
            public ushort wDecoderPort;/* 端口号 */
            public ushort wDVRTransPort;/* 配置前端DVR是从485/232输出，1表示232串口,2表示485串口 */
            [MarshalAs(UnmanagedType.ByValTStr, SizeConst = 4)]
            public string cReserve;
        }

        [StructLayout(LayoutKind.Sequential)]
        public struct NET_DVR_PORTCFG
        {
            public uint dwSize;
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = MAX_TRANSPARENTNUM, ArraySubType = UnmanagedType.Struct)]
            public NET_DVR_PORTINFO[] struTransPortInfo;/* 数组0表示232 数组1表示485 */
        }

        [StructLayout(LayoutKind.Sequential)]
        public struct bytime
        {
            public uint dwChannel;
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 32, ArraySubType = UnmanagedType.I1)]
            public byte[] sUserName;/*请求视频用户名*/
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 16, ArraySubType = UnmanagedType.I1)]
            public byte[] sPassword;/* 密码 */
            public NET_DVR_TIME struStartTime;/* 按时间回放的开始时间 */
            public NET_DVR_TIME struStopTime;/* 按时间回放的结束时间 */
        }

        /* 控制网络文件回放 */
        [StructLayout(LayoutKind.Sequential, CharSet = CharSet.Ansi)]
        public struct NET_DVR_PLAYREMOTEFILE
        {
            public uint dwSize;
            [MarshalAs(UnmanagedType.ByValTStr, SizeConst = 16)]
            public string sDecoderIP;/* DVR IP地址 */
            public ushort wDecoderPort;/* 端口号 */
            public ushort wLoadMode;/* 回放下载模式 1－按名字 2－按时间 */

            [StructLayout(LayoutKind.Explicit)]
            public struct mode_size
            {
                [FieldOffset(0)]
                [MarshalAs(UnmanagedType.ByValArray, SizeConst = 100, ArraySubType = UnmanagedType.I1)]
                public byte[] byRes;

                /*[FieldOffsetAttribute(0)]
                [MarshalAsAttribute(UnmanagedType.ByValArray, SizeConst = 100, ArraySubType = UnmanagedType.I1)]             
                public byte[] byFile;/* 回放的文件名 */
                /*[FieldOffsetAttribute(0)]
                public bytime bytime;
                * */
            }
        }

        /*****************************DS-6001D/F(end)***************************/

        //单字符参数(子结构)
        [StructLayout(LayoutKind.Sequential, CharSet = CharSet.Ansi)]
        public struct NET_DVR_SHOWSTRINGINFO
        {
            public ushort wShowString;// 预览的图象上是否显示字符,0-不显示,1-显示 区域大小704*576,单个字符的大小为32*32
            public ushort wStringSize;/* 该行字符的长度，不能大于44个字符 */
            public ushort wShowStringTopLeftX;/* 字符显示位置的x坐标 */
            public ushort wShowStringTopLeftY;/* 字符名称显示位置的y坐标 */
            [MarshalAs(UnmanagedType.ByValTStr, SizeConst = 44)]
            public string sString;/* 要显示的字符内容 */
        }

        //叠加字符(9000扩展)
        [StructLayout(LayoutKind.Sequential)]
        public struct NET_DVR_SHOWSTRING_V30
        {
            public uint dwSize;
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = MAX_STRINGNUM_V30, ArraySubType = UnmanagedType.Struct)]
            public NET_DVR_SHOWSTRINGINFO[] struStringInfo;/* 要显示的字符内容 */
        }

        //叠加字符扩展(8条字符)
        [StructLayout(LayoutKind.Sequential)]
        public struct NET_DVR_SHOWSTRING_EX
        {
            public uint dwSize;
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = MAX_STRINGNUM_EX, ArraySubType = UnmanagedType.Struct)]
            public NET_DVR_SHOWSTRINGINFO[] struStringInfo;/* 要显示的字符内容 */
        }

        //叠加字符
        [StructLayout(LayoutKind.Sequential)]
        public struct NET_DVR_SHOWSTRING
        {
            public uint dwSize;
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = MAX_STRINGNUM, ArraySubType = UnmanagedType.Struct)]
            public NET_DVR_SHOWSTRINGINFO[] struStringInfo;/* 要显示的字符内容 */
        }

        /****************************DS9000新增结构(begin)******************************/
        /*EMAIL参数结构*/
        //与原结构体有差异
        [StructLayout(LayoutKind.Sequential)]
        public struct struReceiver
        {
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = NAME_LEN, ArraySubType = UnmanagedType.I1)]
            public byte[] sName;/* 收件人姓名 */
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = MAX_EMAIL_ADDR_LEN, ArraySubType = UnmanagedType.I1)]
            public byte[] sAddress;/* 收件人地址 */
        }

        [StructLayout(LayoutKind.Sequential)]
        public struct NET_DVR_EMAILCFG_V30
        {
            public uint dwSize;
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = NAME_LEN, ArraySubType = UnmanagedType.I1)]
            public byte[] sAccount;/* 账号*/
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = MAX_EMAIL_PWD_LEN, ArraySubType = UnmanagedType.I1)]
            public byte[] sPassword;/*密码 */

            [StructLayout(LayoutKind.Sequential)]
            public struct struSender
            {
                [MarshalAs(UnmanagedType.ByValArray, SizeConst = NAME_LEN, ArraySubType = UnmanagedType.I1)]
                public byte[] sName;/* 发件人姓名 */
                [MarshalAs(UnmanagedType.ByValArray, SizeConst = MAX_EMAIL_ADDR_LEN, ArraySubType = UnmanagedType.I1)]
                public byte[] sAddress;/* 发件人地址 */
            }

            [MarshalAs(UnmanagedType.ByValArray, SizeConst = MAX_EMAIL_ADDR_LEN, ArraySubType = UnmanagedType.I1)]
            public byte[] sSmtpServer;/* smtp服务器 */
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = MAX_EMAIL_ADDR_LEN, ArraySubType = UnmanagedType.I1)]
            public byte[] sPop3Server;/* pop3服务器 */

            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 3, ArraySubType = UnmanagedType.Struct)]
            public struReceiver[] struStringInfo;/* 最多可以设置3个收件人 */

            public byte byAttachment;/* 是否带附件 */
            public byte bySmtpServerVerify;/* 发送服务器要求身份验证 */
            public byte byMailInterval;/* mail interval */
            public byte byEnableSSL;//ssl是否启用9000_1.1
            public ushort wSmtpPort;//gmail的465，普通的为25  
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 74, ArraySubType = UnmanagedType.I1)]
            public byte[] byRes;//保留
        }

        /*DVR实现巡航数据结构*/
        [StructLayout(LayoutKind.Sequential)]
        public struct NET_DVR_CRUISE_PARA
        {
            public uint dwSize;
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = CRUISE_MAX_PRESET_NUMS, ArraySubType = UnmanagedType.I1)]
            public byte[] byPresetNo;/* 预置点号 */
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = CRUISE_MAX_PRESET_NUMS, ArraySubType = UnmanagedType.I1)]
            public byte[] byCruiseSpeed;/* 巡航速度 */
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = CRUISE_MAX_PRESET_NUMS, ArraySubType = UnmanagedType.U2)]
            public ushort[] wDwellTime;/* 停留时间 */
            public byte byEnableThisCruise;/* 是否启用 */
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 15, ArraySubType = UnmanagedType.I1)]
            public byte[] res;
        }
        /****************************DS9000新增结构(end)******************************/
        //时间点
        [StructLayout(LayoutKind.Sequential)]
        public struct NET_DVR_TIMEPOINT
        {
            public uint dwMonth;//月 0-11表示1-12个月
            public uint dwWeekNo;//第几周 0－第1周 1－第2周 2－第3周 3－第4周 4－最后一周
            public uint dwWeekDate;//星期几 0－星期日 1－星期一 2－星期二 3－星期三 4－星期四 5－星期五 6－星期六
            public uint dwHour;//小时	开始时间0－23 结束时间1－23
            public uint dwMin;//分	0－59
        }

        //夏令时参数
        [StructLayout(LayoutKind.Sequential)]
        public struct NET_DVR_ZONEANDDST
        {
            public uint dwSize;
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 16, ArraySubType = UnmanagedType.I1)]
            public byte[] byRes1;//保留
            public uint dwEnableDST;//是否启用夏时制 0－不启用 1－启用
            public byte byDSTBias;//夏令时偏移值，30min, 60min, 90min, 120min, 以分钟计，传递原始数值
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 3, ArraySubType = UnmanagedType.I1)]
            public byte[] byRes2;
            public NET_DVR_TIMEPOINT struBeginPoint;//夏时制开始时间
            public NET_DVR_TIMEPOINT struEndPoint;//夏时制停止时间
        }

        //图片质量
        [StructLayout(LayoutKind.Sequential)]
        public struct NET_DVR_JPEGPARA
        {
            /*注意：当图像压缩分辨率为VGA时，支持0=CIF, 1=QCIF, 2=D1抓图，
	        当分辨率为3=UXGA(1600x1200), 4=SVGA(800x600), 5=HD720p(1280x720),6=VGA,7=XVGA, 8=HD900p
	        仅支持当前分辨率的抓图*/
            public ushort wPicSize;/* 0=CIF, 1=QCIF, 2=D1 3=UXGA(1600x1200), 4=SVGA(800x600), 5=HD720p(1280x720),6=VGA*/
            public ushort wPicQuality;/* 图片质量系数 0-最好 1-较好 2-一般 */
        }

        /* aux video out parameter */
        //辅助输出参数配置
        [StructLayout(LayoutKind.Sequential)]
        public struct NET_DVR_AUXOUTCFG
        {
            public uint dwSize;
            public uint dwAlarmOutChan;/* 选择报警弹出大报警通道切换时间：1画面的输出通道: 0:主输出/1:辅1/2:辅2/3:辅3/4:辅4 */
            public uint dwAlarmChanSwitchTime;/* :1秒 - 10:10秒 */
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = MAX_AUXOUT, ArraySubType = UnmanagedType.U4)]
            public uint[] dwAuxSwitchTime;/* 辅助输出切换时间: 0-不切换,1-5s,2-10s,3-20s,4-30s,5-60s,6-120s,7-300s */
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = MAX_AUXOUT * MAX_WINDOW, ArraySubType = UnmanagedType.I1)]
            public byte[] byAuxOrder;/* 辅助输出预览顺序, 0xff表示相应的窗口不预览 */
        }

        //ntp
        [StructLayout(LayoutKind.Sequential)]
        public struct NET_DVR_NTPPARA
        {
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 64, ArraySubType = UnmanagedType.I1)]
            public byte[] sNTPServer;/* Domain Name or IP addr of NTP server */
            public ushort wInterval;/* adjust time interval(hours) */
            public byte byEnableNTP;/* enable NPT client 0-no，1-yes*/
            public byte cTimeDifferenceH;/* 与国际标准时间的 小时偏移-12 ... +13 */
            public byte cTimeDifferenceM;/* 与国际标准时间的 分钟偏移0, 30, 45*/
            public byte res1;
            public ushort wNtpPort; /* ntp server port 9000新增 设备默认为123*/
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 8, ArraySubType = UnmanagedType.I1)]
            public byte[] res2;
        }

        //ddns
        [StructLayout(LayoutKind.Sequential)]
        public struct NET_DVR_DDNSPARA
        {
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = NAME_LEN, ArraySubType = UnmanagedType.I1)]
            public byte[] sUsername;/* DDNS账号用户名/密码 */
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = PASSWD_LEN, ArraySubType = UnmanagedType.I1)]
            public byte[] sPassword;
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 64, ArraySubType = UnmanagedType.I1)]
            public byte[] sDomainName; /* 域名 */
            public byte byEnableDDNS;/*是否应用 0-否，1-是*/
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 15, ArraySubType = UnmanagedType.I1)]
            public byte[] res;
        }

        [StructLayout(LayoutKind.Sequential)]
        public struct NET_DVR_DDNSPARA_EX
        {
            public byte byHostIndex;/* 0-Hikvision DNS 1－Dyndns 2－PeanutHull(花生壳)*/
            public byte byEnableDDNS;/*是否应用DDNS 0-否，1-是*/
            public ushort wDDNSPort;/* DDNS端口号 */
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = NAME_LEN, ArraySubType = UnmanagedType.I1)]
            public byte[] sUsername;/* DDNS用户名*/
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = PASSWD_LEN, ArraySubType = UnmanagedType.I1)]
            public byte[] sPassword;/* DDNS密码 */
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = MAX_DOMAIN_NAME, ArraySubType = UnmanagedType.I1)]
            public byte[] sDomainName;/* 设备配备的域名地址 */
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = MAX_DOMAIN_NAME, ArraySubType = UnmanagedType.I1)]
            public byte[] sServerName;/* DDNS 对应的服务器地址，可以是IP地址或域名 */
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 16, ArraySubType = UnmanagedType.I1)]
            public byte[] byRes;
        }

        //9000扩展
        [StructLayout(LayoutKind.Sequential)]
        public struct struDDNS
        {
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = NAME_LEN, ArraySubType = UnmanagedType.I1)]
            public byte[] sUsername;/* DDNS账号用户名*/
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = PASSWD_LEN, ArraySubType = UnmanagedType.I1)]
            public byte[] sPassword;/* 密码 */
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = MAX_DOMAIN_NAME, ArraySubType = UnmanagedType.I1)]
            public byte[] sDomainName;/* 设备配备的域名地址 */
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = MAX_DOMAIN_NAME, ArraySubType = UnmanagedType.I1)]
            public byte[] sServerName;/* DDNS协议对应的服务器地址，可以是IP地址或域名 */
            public ushort wDDNSPort;/* 端口号 */
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 10, ArraySubType = UnmanagedType.I1)]
            public byte[] byRes;
        }

        [StructLayout(LayoutKind.Sequential)]
        public struct NET_DVR_DDNSPARA_V30
        {
            public byte byEnableDDNS;
            public byte byHostIndex;/* 0-Hikvision DNS(保留) 1－Dyndns 2－PeanutHull(花生壳)*/
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 2, ArraySubType = UnmanagedType.I1)]
            public byte[] byRes1;
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = MAX_DDNS_NUMS, ArraySubType = UnmanagedType.Struct)]
            public struDDNS[] struDDNS;
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 16, ArraySubType = UnmanagedType.I1)]
            public byte[] byRes2;
        }

        //email
        [StructLayout(LayoutKind.Sequential)]
        public struct NET_DVR_EMAILPARA
        {
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 64, ArraySubType = UnmanagedType.I1)]
            public byte[] sUsername;/* 邮件账号/密码 */
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 64, ArraySubType = UnmanagedType.I1)]
            public byte[] sPassword;
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 64, ArraySubType = UnmanagedType.I1)]
            public byte[] sSmtpServer;
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 64, ArraySubType = UnmanagedType.I1)]
            public byte[] sPop3Server;
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 64, ArraySubType = UnmanagedType.I1)]
            public byte[] sMailAddr;/* email */
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 64, ArraySubType = UnmanagedType.I1)]
            public byte[] sEventMailAddr1;/* 上传报警/异常等的email */
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 64, ArraySubType = UnmanagedType.I1)]
            public byte[] sEventMailAddr2;
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 16, ArraySubType = UnmanagedType.I1)]
            public byte[] res;
        }

        //网络参数配置
        [StructLayout(LayoutKind.Sequential, CharSet = CharSet.Ansi)]
        public struct NET_DVR_NETAPPCFG
        {
            public uint dwSize;
            [MarshalAs(UnmanagedType.ByValTStr, SizeConst = 16)]
            public string sDNSIp; /* DNS服务器地址 */
            public NET_DVR_NTPPARA struNtpClientParam;/* NTP参数 */
            public NET_DVR_DDNSPARA struDDNSClientParam;/* DDNS参数 */
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 464, ArraySubType = UnmanagedType.I1)]
            public byte[] res;/* 保留 */
        }

        //nfs结构配置
        [StructLayout(LayoutKind.Sequential, CharSet = CharSet.Ansi)]
        public struct NET_DVR_SINGLE_NFS
        {
            [MarshalAs(UnmanagedType.ByValTStr, SizeConst = 16)]
            public string sNfsHostIPAddr;
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = PATHNAME_LEN, ArraySubType = UnmanagedType.I1)]
            public byte[] sNfsDirectory;

            public void Init()
            {
                this.sNfsDirectory = new byte[PATHNAME_LEN];
            }
        }

        [StructLayout(LayoutKind.Sequential)]
        public struct NET_DVR_NFSCFG
        {
            public uint dwSize;
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = MAX_NFS_DISK, ArraySubType = UnmanagedType.Struct)]
            public NET_DVR_SINGLE_NFS[] struNfsDiskParam;

            public void Init()
            {
                this.struNfsDiskParam = new NET_DVR_SINGLE_NFS[MAX_NFS_DISK];

                for (int i = 0; i < MAX_NFS_DISK; i++)
                {
                    struNfsDiskParam[i].Init();
                }
            }
        }

        [StructLayout(LayoutKind.Sequential)]
        public struct NET_DVR_ISCSI_CFG
        {
            public uint dwSize;                   // 结构大小
            public ushort wVrmPort;                  // VRM 监听端口
            public byte byEnable;                  // 是否启用 ISCSI存储
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 69, ArraySubType = UnmanagedType.I1)]
            public byte[] byRes;                 // 保留字节
            public NET_DVR_IPADDR struVrmAddr;          // VRM ip地址 16位
            [MarshalAs(UnmanagedType.ByValTStr, SizeConst = 64)]
            public string chNvtIndexCode;        //nvt index Code 
        }

        //巡航点配置(HIK IP快球专用)
        [StructLayout(LayoutKind.Sequential)]
        public struct NET_DVR_CRUISE_POINT
        {
            public byte PresetNum;//预置点
            public byte Dwell;//停留时间
            public byte Speed;//速度
            public byte Reserve;//保留

            public void Init()
            {
                PresetNum = 0;
                Dwell = 0;
                Speed = 0;
                Reserve = 0;
            }
        }

        [StructLayout(LayoutKind.Sequential)]
        public struct NET_DVR_CRUISE_RET
        {
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 32, ArraySubType = UnmanagedType.Struct)]
            public NET_DVR_CRUISE_POINT[] struCruisePoint;//最大支持32个巡航点

            public void Init()
            {
                struCruisePoint = new NET_DVR_CRUISE_POINT[32];
                for (int i = 0; i < 32; i++)
                {
                    struCruisePoint[i].Init();
                }
            }
        }

        /************************************多路解码器(begin)***************************************/
        [StructLayout(LayoutKind.Sequential, CharSet = CharSet.Ansi)]
        public struct NET_DVR_NETCFG_OTHER
        {
            public uint dwSize;
            [MarshalAs(UnmanagedType.ByValTStr, SizeConst = 16)]
            public string sFirstDNSIP;
            [MarshalAs(UnmanagedType.ByValTStr, SizeConst = 16)]
            public string sSecondDNSIP;
            [MarshalAs(UnmanagedType.ByValTStr, SizeConst = 32)]
            public string sRes;
        }

        [StructLayout(LayoutKind.Sequential, CharSet = CharSet.Ansi)]
        public struct NET_DVR_MATRIX_DECINFO
        {
            [MarshalAs(UnmanagedType.ByValTStr, SizeConst = 16)]
            public string sDVRIP;/* DVR IP地址 */
            public ushort wDVRPort;/* 端口号 */
            public byte byChannel;/* 通道号 */
            public byte byTransProtocol;/* 传输协议类型 0-TCP, 1-UDP */
            public byte byTransMode;/* 传输码流模式 0－主码流 1－子码流*/
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 3, ArraySubType = UnmanagedType.I1)]
            public byte[] byRes;
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = NAME_LEN, ArraySubType = UnmanagedType.I1)]
            public byte[] sUserName;/* 监控主机登陆帐号 */
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = PASSWD_LEN, ArraySubType = UnmanagedType.I1)]
            public byte[] sPassword;/* 监控主机密码 */
        }

        //启动/停止动态解码
        [StructLayout(LayoutKind.Sequential)]
        public struct NET_DVR_MATRIX_DYNAMIC_DEC
        {
            public uint dwSize;
            public NET_DVR_MATRIX_DECINFO struDecChanInfo;/* 动态解码通道信息 */
        }

        [StructLayout(LayoutKind.Sequential, CharSet = CharSet.Ansi)]
        public struct NET_DVR_MATRIX_DEC_CHAN_STATUS
        {
            public uint dwSize;
            public uint dwIsLinked;/* 解码通道状态 0－休眠 1－正在连接 2－已连接 3-正在解码 */
            public uint dwStreamCpRate;/* Stream copy rate, X kbits/second */
            [MarshalAs(UnmanagedType.ByValTStr, SizeConst = 64)]
            public string cRes;/* 保留 */
        }

        [StructLayout(LayoutKind.Sequential, CharSet = CharSet.Ansi)]
        public struct NET_DVR_MATRIX_DEC_CHAN_INFO
        {
            public uint dwSize;
            public NET_DVR_MATRIX_DECINFO struDecChanInfo;/* 解码通道信息 */
            public uint dwDecState;/* 0-动态解码 1－循环解码 2－按时间回放 3－按文件回放 */
            public NET_DVR_TIME StartTime;/* 按时间回放开始时间 */
            public NET_DVR_TIME StopTime;/* 按时间回放停止时间 */
            [MarshalAs(UnmanagedType.ByValTStr, SizeConst = 128)]
            public string sFileName;/* 按文件回放文件名 */
        }

        //连接的通道配置 2007-11-05
        [StructLayout(LayoutKind.Sequential)]
        public struct NET_DVR_MATRIX_DECCHANINFO
        {
            public uint dwEnable;/* 是否启用 0－否 1－启用*/
            public NET_DVR_MATRIX_DECINFO struDecChanInfo;/* 轮循解码通道信息 */
        }

        //2007-11-05 新增每个解码通道的配置
        [StructLayout(LayoutKind.Sequential)]
        public struct NET_DVR_MATRIX_LOOP_DECINFO
        {
            public uint dwSize;
            public uint dwPoolTime;/*轮巡时间 */
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = MAX_CYCLE_CHAN, ArraySubType = UnmanagedType.Struct)]
            public NET_DVR_MATRIX_DECCHANINFO[] struchanConInfo;
        }

        //2007-12-22
        [StructLayout(LayoutKind.Sequential)]
        public struct TTY_CONFIG
        {
            public byte baudrate;/* 波特率 */
            public byte databits;/* 数据位 */
            public byte stopbits;/* 停止位 */
            public byte parity;/* 奇偶校验位 */
            public byte flowcontrol;/* 流控 */
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 3, ArraySubType = UnmanagedType.I1)]
            public byte[] res;
        }

        [StructLayout(LayoutKind.Sequential, CharSet = CharSet.Ansi)]
        public struct NET_DVR_MATRIX_TRAN_CHAN_INFO
        {
            public byte byTranChanEnable;/* 当前透明通道是否打开 0：关闭 1：打开 */
            /*
             *	多路解码器本地有1个485串口，1个232串口都可以作为透明通道,设备号分配如下：
             *	0 RS485
             *	1 RS232 Console
             */
            public byte byLocalSerialDevice;/* Local serial device */
            /*
	         *	远程串口输出还是两个,一个RS232，一个RS485
	         *	1表示232串口
	         *	2表示485串口
	         */
            public byte byRemoteSerialDevice;/* Remote output serial device */
            public byte res1;/* 保留 */
            [MarshalAs(UnmanagedType.ByValTStr, SizeConst = 16)]
            public string sRemoteDevIP;/* Remote Device IP */
            public ushort wRemoteDevPort;/* Remote Net Communication Port */
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 2, ArraySubType = UnmanagedType.I1)]
            public byte[] res2;/* 保留 */
            public TTY_CONFIG RemoteSerialDevCfg;
        }

        [StructLayout(LayoutKind.Sequential)]
        public struct NET_DVR_MATRIX_TRAN_CHAN_CONFIG
        {
            public uint dwSize;
            public byte by232IsDualChan;/* 设置哪路232透明通道是全双工的 取值1到MAX_SERIAL_NUM */
            public byte by485IsDualChan;/* 设置哪路485透明通道是全双工的 取值1到MAX_SERIAL_NUM */
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 2, ArraySubType = UnmanagedType.I1)]
            public byte[] res;/* 保留 */
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = MAX_SERIAL_NUM, ArraySubType = UnmanagedType.Struct)]
            public NET_DVR_MATRIX_TRAN_CHAN_INFO[] struTranInfo;/*同时支持建立MAX_SERIAL_NUM个透明通道*/
        }

        //2007-12-24 Merry Christmas Eve...
        [StructLayout(LayoutKind.Sequential, CharSet = CharSet.Ansi)]
        public struct NET_DVR_MATRIX_DEC_REMOTE_PLAY
        {
            public uint dwSize;
            [MarshalAs(UnmanagedType.ByValTStr, SizeConst = 16)]
            public string sDVRIP;/* DVR IP地址 */
            public ushort wDVRPort;/* 端口号 */
            public byte byChannel;/* 通道号 */
            public byte byReserve;
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = NAME_LEN, ArraySubType = UnmanagedType.I1)]
            public byte[] sUserName;/* 用户名 */
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = PASSWD_LEN, ArraySubType = UnmanagedType.I1)]
            public byte[] sPassword;/* 密码 */
            public uint dwPlayMode;/* 0－按文件 1－按时间*/
            public NET_DVR_TIME StartTime;
            public NET_DVR_TIME StopTime;
            [MarshalAs(UnmanagedType.ByValTStr, SizeConst = 128)]
            public string sFileName;
        }

        [StructLayout(LayoutKind.Sequential)]
        public struct NET_DVR_MATRIX_DEC_REMOTE_PLAY_CONTROL
        {
            public uint dwSize;
            public uint dwPlayCmd;/* 播放命令 见文件播放命令*/
            public uint dwCmdParam;/* 播放命令参数 */
        }

        [StructLayout(LayoutKind.Sequential)]
        public struct NET_DVR_MATRIX_DEC_REMOTE_PLAY_STATUS
        {
            public uint dwSize;
            public uint dwCurMediaFileLen;/* 当前播放的媒体文件长度 */
            public uint dwCurMediaFilePosition;/* 当前播放文件的播放位置 */
            public uint dwCurMediaFileDuration;/* 当前播放文件的总时间 */
            public uint dwCurPlayTime;/* 当前已经播放的时间 */
            public uint dwCurMediaFIleFrames;/* 当前播放文件的总帧数 */
            public uint dwCurDataType;/* 当前传输的数据类型，19-文件头，20-流数据， 21-播放结束标志 */
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 72, ArraySubType = UnmanagedType.I1)]
            public byte[] res;
        }

        //2009-4-11 added by likui 多路解码器new
        [StructLayout(LayoutKind.Sequential)]
        public struct NET_DVR_MATRIX_PASSIVEMODE
        {
            public ushort wTransProtol;//传输协议，0-TCP, 1-UDP, 2-MCAST
            public ushort wPassivePort;//UDP端口, TCP时默认
            // char	sMcastIP[16];		//TCP,UDP时无效, MCAST时为多播地址
            public NET_DVR_IPADDR struMcastIP;
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 8, ArraySubType = UnmanagedType.I1)]
            public byte[] res;
        }

        [StructLayout(LayoutKind.Sequential)]
        public struct NET_DVR_MATRIX_TRAN_CHAN_INFO_V30
        {
            public byte byTranChanEnable;/* 当前透明通道是否打开 0：关闭 1：打开 */
            /*
	         *	多路解码器本地有1个485串口，1个232串口都可以作为透明通道,设备号分配如下：
	         *	0 RS485
	         *	1 RS232 Console
	         */
            public byte byLocalSerialDevice;/* Local serial device */
            /*
	         *	远程串口输出还是两个,一个RS232，一个RS485
	         *	1表示232串口
	         *	2表示485串口
	         */
            public byte byRemoteSerialDevice;/* Remote output serial device */
            public byte byRes1;/* 保留 */
            public NET_DVR_IPADDR struRemoteDevIP;/* Remote Device IP */
            public ushort wRemoteDevPort;/* Remote Net Communication Port */
            public byte byIsEstablished;/* 透明通道建立成功标志，0-没有成功，1-建立成功 */
            public byte byRes2;/* 保留 */
            public TTY_CONFIG RemoteSerialDevCfg;
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = NAME_LEN, ArraySubType = UnmanagedType.I1)]
            public byte[] byUsername;/* 32BYTES */
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = PASSWD_LEN, ArraySubType = UnmanagedType.I1)]
            public byte[] byPassword;/* 16BYTES */
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 16, ArraySubType = UnmanagedType.I1)]
            public byte[] byRes3;
        }

        [StructLayout(LayoutKind.Sequential)]
        public struct NET_DVR_MATRIX_TRAN_CHAN_CONFIG_V30
        {
            public uint dwSize;
            public byte by232IsDualChan;/* 设置哪路232透明通道是全双工的 取值1到MAX_SERIAL_NUM */
            public byte by485IsDualChan;/* 设置哪路485透明通道是全双工的 取值1到MAX_SERIAL_NUM */
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 2, ArraySubType = UnmanagedType.I1)]
            public byte[] vyRes;/* 保留 */
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = MAX_SERIAL_NUM, ArraySubType = UnmanagedType.Struct)]
            public NET_DVR_MATRIX_TRAN_CHAN_INFO[] struTranInfo;/*同时支持建立MAX_SERIAL_NUM个透明通道*/
        }

        [StructLayout(LayoutKind.Sequential)]
        public struct NET_DVR_MATRIX_CHAN_INFO_V30
        {
            public uint dwEnable;/* 是否启用 0－否 1－启用*/
            public NET_DVR_STREAM_MEDIA_SERVER_CFG streamMediaServerCfg;
            public NET_DVR_DEV_CHAN_INFO struDevChanInfo;/* 轮循解码通道信息 */
        }

        [StructLayout(LayoutKind.Sequential)]
        public struct NET_DVR_MATRIX_LOOP_DECINFO_V30
        {
            public uint dwSize;
            public uint dwPoolTime;
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = MAX_CYCLE_CHAN_V30, ArraySubType = UnmanagedType.Struct)]
            public NET_DVR_MATRIX_CHAN_INFO_V30[] struchanConInfo;
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 16, ArraySubType = UnmanagedType.I1)]
            public byte[] byRes;
        }

        [StructLayout(LayoutKind.Sequential, CharSet = CharSet.Ansi)]
        public struct NET_DVR_MATRIX_DEC_CHAN_INFO_V30
        {
            public uint dwSize;
            public NET_DVR_STREAM_MEDIA_SERVER_CFG streamMediaServerCfg;/*流媒体服务器配置*/
            public NET_DVR_DEV_CHAN_INFO struDevChanInfo;/* 解码通道信息 */
            public uint dwDecState;/* 0-动态解码 1－循环解码 2－按时间回放 3－按文件回放 */
            public NET_DVR_TIME StartTime;/* 按时间回放开始时间 */
            public NET_DVR_TIME StopTime;/* 按时间回放停止时间 */
            [MarshalAs(UnmanagedType.ByValTStr, SizeConst = 128)]
            public string sFileName;/* 按文件回放文件名 */
            public uint dwGetStreamMode;/*取流模式:1-主动，2-被动*/
            public NET_DVR_MATRIX_PASSIVEMODE struPassiveMode;
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 32, ArraySubType = UnmanagedType.I1)]
            public byte[] byRes;
        }

        public const int MAX_RESOLUTIONNUM = 64; //支持的最大分辨率数目

        [StructLayout(LayoutKind.Sequential)]
        public struct NET_DVR_MATRIX_ABILITY
        {
            public uint dwSize;
            public byte byDecNums;
            public byte byStartChan;
            public byte byVGANums;
            public byte byBNCNums;
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 8 * 12, ArraySubType = UnmanagedType.I1)]
            public byte[] byVGAWindowMode;/*VGA支持的窗口模式*/
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 4, ArraySubType = UnmanagedType.I1)]
            public byte[] byBNCWindowMode;/*BNC支持的窗口模式*/
            public byte byDspNums;
            public byte byHDMINums;//HDMI显示通道个数（从25开始）
            public byte byDVINums;//DVI显示通道个数（从29开始）
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 13, ArraySubType = UnmanagedType.I1)]
            public byte[] byRes1;
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = MAX_RESOLUTIONNUM, ArraySubType = UnmanagedType.I1)]
            public byte[] bySupportResolution;//按照上面的枚举定义,一个字节代表一个分辨率是//否支持，1：支持，0：不支持
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 4 * 8, ArraySubType = UnmanagedType.I1)]
            public byte[] byHDMIWindowMode;//HDMI支持的窗口模式
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 4 * 8, ArraySubType = UnmanagedType.I1)]
            public byte[] byDVIWindowMode;//DVI支持的窗口模式
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 24, ArraySubType = UnmanagedType.I1)]
            public byte[] byRes2;
        }

        //上传logo结构
        [StructLayout(LayoutKind.Sequential)]
        public struct NET_DVR_DISP_LOGOCFG
        {
            public uint dwCorordinateX;//图片显示区域X坐标
            public uint dwCorordinateY;//图片显示区域Y坐标
            public ushort wPicWidth; //图片宽
            public ushort wPicHeight; //图片高
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 4, ArraySubType = UnmanagedType.I1)]
            public byte[] byRes1;
            public byte byFlash;//是否闪烁1-闪烁，0-不闪烁
            public byte byTranslucent;//是否半透明1-半透明，0-不半透明
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 6, ArraySubType = UnmanagedType.I1)]
            public byte[] byRes2;//保留
            public uint dwLogoSize;//LOGO大小，包括BMP的文件头
        }

        /*编码类型*/
        public const int NET_DVR_ENCODER_UNKOWN = 0;/*未知编码格式*/
        public const int NET_DVR_ENCODER_H264 = 1;/*HIK 264*/
        public const int NET_DVR_ENCODER_S264 = 2;/*Standard H264*/
        public const int NET_DVR_ENCODER_MPEG4 = 3;/*MPEG4*/
        public const int NET_DVR_ORIGINALSTREAM = 4;/*Original Stream*/
        public const int NET_DVR_PICTURE = 5;//*Picture*/
        public const int NET_DVR_ENCODER_MJPEG = 6;
        public const int NET_DVR_ECONDER_MPEG2 = 7;
        /* 打包格式 */
        public const int NET_DVR_STREAM_TYPE_UNKOWN = 0;/*未知打包格式*/
        public const int NET_DVR_STREAM_TYPE_HIKPRIVT = 1; /*海康自定义打包格式*/
        public const int NET_DVR_STREAM_TYPE_TS = 7;/* TS打包 */
        public const int NET_DVR_STREAM_TYPE_PS = 8;/* PS打包 */
        public const int NET_DVR_STREAM_TYPE_RTP = 9;/* RTP打包 */

        /*解码通道状态*/
        [StructLayout(LayoutKind.Sequential)]
        public struct NET_DVR_MATRIX_CHAN_STATUS
        {
            public byte byDecodeStatus;/*当前状态:0:未启动，1：启动解码*/
            public byte byStreamType;/*码流类型*/
            public byte byPacketType;/*打包方式*/
            public byte byRecvBufUsage;/*接收缓冲使用率*/
            public byte byDecBufUsage;/*解码缓冲使用率*/
            public byte byFpsDecV;/*视频解码帧率*/
            public byte byFpsDecA;/*音频解码帧率*/
            public byte byCpuLoad;/*DSP CPU使用率*/
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 4, ArraySubType = UnmanagedType.I1)]
            public byte[] byRes1;
            public uint dwDecodedV;/*解码的视频帧*/
            public uint dwDecodedA;/*解码的音频帧*/
            public ushort wImgW;/*解码器当前的图像大小,宽*/
            public ushort wImgH; //高
            public byte byVideoFormat;/*视频制式:0-NON,NTSC--1,PAL--2*/
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 3, ArraySubType = UnmanagedType.I1)]
            public byte[] byRes2;
            public uint dwDecChan; /*获取全部解码通道状态时有效，设置时可填0*/
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 20, ArraySubType = UnmanagedType.I1)]
            public byte[] byRes3;
        }

        /*显示通道状态*/
        public const int NET_DVR_MAX_DISPREGION = 16;         /*每个显示通道最多可以显示的窗口*/
        //VGA分辨率，目前能用的是：VGA_THS8200_MODE_XGA_60HZ、VGA_THS8200_MODE_SXGA_60HZ、
        //
        public enum VGA_MODE
        {
            /*VGA*/
            VGA_NOT_AVALIABLE,
            VGA_THS8200_MODE_SVGA_60HZ,    //(800*600)
            VGA_THS8200_MODE_SVGA_75HZ,    //(800*600)
            VGA_THS8200_MODE_XGA_60HZ,     //(1024*768)
            VGA_THS8200_MODE_XGA_75HZ,     //(1024*768)
            VGA_THS8200_MODE_SXGA_60HZ,    //(1280*1024)
            VGA_THS8200_MODE_720P_60HZ,    //(1280*720)
            VGA_THS8200_MODE_1080I_60HZ,   //(1920*1080)
            VGA_THS8200_MODE_1080P_30HZ,   //(1920*1080)
            VGA_THS8200_MODE_UXGA_30HZ,    //(1600*1200)
            /*HDMI*/
            HDMI_SII9134_MODE_XGA_60HZ,	   //(1024*768)
            HDMI_SII9134_MODE_SXGA_60HZ,   //(1280*1024)
            HDMI_SII9134_MODE_SXGA2_60HZ,  //(1280*960)
            HDMI_SII9134_MODE_720P_60HZ,   //(1280*720)	
            HDMI_SII9134_MODE_720P_50HZ,   //(1280*720)		
            HDMI_SII9134_MODE_1080I_60HZ,  //(1920*1080)
            HDMI_SII9134_MODE_1080I_50HZ,  //(1920*1080)	
            HDMI_SII9134_MODE_1080P_25HZ,  //(1920*1080)
            HDMI_SII9134_MODE_1080P_30HZ,  //(1920*1080)
            HDMI_SII9134_MODE_1080P_50HZ,  //(1920*1080)
            HDMI_SII9134_MODE_1080P_60HZ,  //(1920*1080)
            HDMI_SII9134_MODE_UXGA_60HZ,   //(1600*1200)
            /*DVI*/
            DVI_SII9134_MODE_XGA_60HZ,	   //(1024*768)
            DVI_SII9134_MODE_SXGA_60HZ,	   //(1280*1024)
            DVI_SII9134_MODE_SXGA2_60HZ,   //(1280*960)
            DVI_SII9134_MODE_720P_60HZ,	   //(1280*720)	
            DVI_SII9134_MODE_720P_50HZ,    //(1280*720)		
            DVI_SII9134_MODE_1080I_60HZ,   //(1920*1080)
            DVI_SII9134_MODE_1080I_50HZ,   //(1920*1080)
            DVI_SII9134_MODE_1080P_25HZ,   //(1920*1080)
            DVI_SII9134_MODE_1080P_30HZ,   //(1920*1080)
            DVI_SII9134_MODE_1080P_50HZ,   //(1920*1080)
            DVI_SII9134_MODE_1080P_60HZ,   //(1920*1080)
            DVI_SII9134_MODE_UXGA_60HZ,     //(1600*1200)
            VGA_DECSVR_MODE_SXGA2_60HZ,
            HDMI_DECSVR_MODE_1080P_24HZ,
            DVI_DECSVR_MODE_1080P_24HZ,
            YPbPr_DECSVR_MODE_720P_60HZ,
            YPbPr_DECSVR_MODE_1080I_60HZ
        }

        //低帧率定义
        public const int LOW_DEC_FPS_1_2 = 51;
        public const int LOW_DEC_FPS_1_4 = 52;
        public const int LOW_DEC_FPS_1_8 = 53;
        public const int LOW_DEC_FPS_1_16 = 54;

        /*视频制式标准*/
        public enum VIDEO_STANDARD
        {
            VS_NON = 0,
            VS_NTSC = 1,
            VS_PAL = 2,
        }

        [StructLayout(LayoutKind.Sequential)]
        public struct UNION_VIDEOPLATFORM
        {
            /*各个子窗口对应解码通道所对应的解码子系统的槽位号(对于视频综合平台中解码子系统有效)*/
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = MAX_WINDOWS, ArraySubType = UnmanagedType.I1)]
            public byte[] byJoinDecoderId;
        }

        [StructLayout(LayoutKind.Sequential)]
        public struct UNION_NOTVIDEOPLATFORM
        {
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 16, ArraySubType = UnmanagedType.I1)]
            public byte[] byRes;
        }

        [StructLayout(LayoutKind.Sequential)]
        public struct NET_DVR_VGA_DISP_CHAN_CFG
        {
            public uint dwSize;
            public byte byAudio;/*音频是否开启,0-否，1-是*/
            public byte byAudioWindowIdx;/*音频开启子窗口*/
            public byte byVgaResolution;/*VGA的分辨率*/
            public byte byVedioFormat;/*视频制式，1:NTSC,2:PAL,0-NON*/
            public uint dwWindowMode;/*画面模式，从能力集里获取，目前支持1,2,4,9,16*/
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = MAX_WINDOWS, ArraySubType = UnmanagedType.I1)]
            public byte[] byJoinDecChan;/*各个子窗口关联的解码通道*/
            public byte byEnlargeStatus;          /*是否处于放大状态，0：不放大，1：放大*/
            public byte byEnlargeSubWindowIndex;//放大的子窗口号
            [StructLayout(LayoutKind.Explicit)]
            public struct struDiff
            {
                [FieldOffset(0)]
                [MarshalAs(UnmanagedType.ByValArray, SizeConst = 16, ArraySubType = UnmanagedType.I1)]
                public byte[] byRes;
            }
            public byte byUnionType;/*区分共用体，0-视频综合平台内部解码器显示通道配置，1-其他解码器显示通道配置*/
            public byte byScale; /*显示模式，0---真实显示，1---缩放显示( 针对BNC )*/
        }

        [StructLayout(LayoutKind.Sequential)]
        public struct NET_DVR_DISP_CHAN_STATUS
        {
            public byte byDispStatus;/*显示状态：0：未显示，1：启动显示*/
            public byte byBVGA; /*VGA/BNC*/
            public byte byVideoFormat;/*视频制式:1:NTSC,2:PAL,0-NON*/
            public byte byWindowMode;/*当前画面模式*/
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = MAX_WINDOWS, ArraySubType = UnmanagedType.I1)]
            public byte[] byJoinDecChan;/*各个子窗口关联的解码通道*/
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = NET_DVR_MAX_DISPREGION, ArraySubType = UnmanagedType.I1)]
            public byte[] byFpsDisp;/*每个子画面的显示帧率*/
            public byte byScreenMode;			//屏幕模式0-普通 1-大屏
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 31, ArraySubType = UnmanagedType.I1)]
            public byte[] byRes2;
        }

        public const int MAX_DECODECHANNUM = 32;//多路解码器最大解码通道数
        public const int MAX_DISPCHANNUM = 24;//多路解码器最大显示通道数

        /*解码器设备状态*/
        [StructLayout(LayoutKind.Sequential)]
        public struct NET_DVR_DECODER_WORK_STATUS
        {
            public uint dwSize;
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = MAX_DECODECHANNUM, ArraySubType = UnmanagedType.Struct)]
            public NET_DVR_MATRIX_CHAN_STATUS[] struDecChanStatus;/*解码通道状态*/
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = MAX_DISPCHANNUM, ArraySubType = UnmanagedType.Struct)]
            public NET_DVR_DISP_CHAN_STATUS[] struDispChanStatus;/*显示通道状态*/
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = MAX_ANALOG_ALARMIN, ArraySubType = UnmanagedType.I1)]
            public byte[] byAlarmInStatus;/*报警输入状态*/
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = MAX_ANALOG_ALARMOUT, ArraySubType = UnmanagedType.I1)]
            public byte[] byAalarmOutStatus;/*报警输出状态*/
            public byte byAudioInChanStatus;/*语音对讲状态*/
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 127, ArraySubType = UnmanagedType.I1)]
            public byte[] byRes;
        }

        //2009-12-1 增加被动解码播放控制
        [StructLayout(LayoutKind.Sequential)]
        public struct NET_DVR_PASSIVEDECODE_CONTROL
        {
            public uint dwSize;
            public uint dwPlayCmd;		/* 播放命令 见文件播放命令*/
            public uint dwCmdParam;		/* 播放命令参数 */
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 16, ArraySubType = UnmanagedType.I1)]
            public byte[] byRes;//Reverse
        }

        public const int PASSIVE_DEC_PAUSE = 1;	/*被动解码暂停(仅文件流有效)*/
        public const int PASSIVE_DEC_RESUME = 2;	/*恢复被动解码(仅文件流有效)*/
        public const int PASSIVE_DEC_FAST = 3;   /*快速被动解码(仅文件流有效)*/
        public const int PASSIVE_DEC_SLOW = 4;   /*慢速被动解码(仅文件流有效)*/
        public const int PASSIVE_DEC_NORMAL = 5;   /*正常被动解码(仅文件流有效)*/
        public const int PASSIVE_DEC_ONEBYONE = 6;  /*被动解码单帧播放(保留)*/
        public const int PASSIVE_DEC_AUDIO_ON = 7;   /*音频开启*/
        public const int PASSIVE_DEC_AUDIO_OFF = 8; 	 /*音频关闭*/
        public const int PASSIVE_DEC_RESETBUFFER = 9;    /*清空缓冲区*/

        //2009-12-16 增加控制解码器解码通道缩放
        [StructLayout(LayoutKind.Sequential)]
        public struct NET_DVR_MATRIX_DECCHAN_CONTROL
        {
            public uint dwSize;
            public byte byDecChanScaleStatus;/*解码通道显示缩放控制,1表示缩放显示，0表示真实显示*/
            public byte byDecodeDelay;//解码延时，0-默认，1-实时性好，2-实时性较好，3-实时性中，流畅性中，4-流畅性较好，5-流畅性好，0xff-自动调整   
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 66, ArraySubType = UnmanagedType.I1)]
            public byte[] byRes;
        }
        /************************************多路解码器(end)***************************************/

        /************************************视频综合平台(begin)***************************************/
        public const int MAX_SUBSYSTEM_NUM = 80;   //一个矩阵系统中最多子系统数量
        public const int MAX_SUBSYSTEM_NUM_V40 = 120;   //一个矩阵系统中最多子系统数量
        public const int MAX_SERIALLEN = 36;  //最大序列号长度
        public const int MAX_LOOPPLANNUM = 16;  //最大计划切换组
        public const int DECODE_TIMESEGMENT = 4;     //计划解码每天时间段数

        public const int MAX_DOMAIN_NAME = 64;  /* 最大域名长度 */
        public const int MAX_DISKNUM_V30 = 33; //9000设备最大硬盘数/* 最多33个硬盘(包括16个内置SATA硬盘、1个eSATA硬盘和16个NFS盘) */
        public const int MAX_DAYS = 7;       //每周天数
        public const int MAX_DISPNUM_V41 = 32;
        public const int MAX_WINDOWS_NUM = 12;
        public const int MAX_VOUTNUM = 32;
        public const int MAX_SUPPORT_RES = 32;
        public const int MAX_BIGSCREENNUM = 100;

        public const int VIDEOPLATFORM_ABILITY = 0x210; //视频综合平台能力集
        public const int MATRIXDECODER_ABILITY_V41 = 0x260; //解码器能力集

        public const int NET_DVR_MATRIX_BIGSCREENCFG_GET = 1140;//获取大屏拼接参数        

        [StructLayout(LayoutKind.Sequential)]
        public struct NET_DVR_SUBSYSTEMINFO
        {
            public byte bySubSystemType;//子系统类型，1-解码用子系统，2-编码用子系统，0-NULL（此参数只能获取）
            public byte byChan;//子系统通道数（此参数只能获取）
            public byte byLoginType;//注册类型，1-直连，2-DNS，3-花生壳
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 5, ArraySubType = UnmanagedType.I1)]
            public byte[] byRes1;
            public NET_DVR_IPADDR struSubSystemIP;/*IP地址（可修改）*/
            public ushort wSubSystemPort;//子系统端口号（可修改）
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 6, ArraySubType = UnmanagedType.I1)]
            public byte[] byRes2;
            public NET_DVR_IPADDR struSubSystemIPMask;//子网掩码
            public NET_DVR_IPADDR struGatewayIpAddr;	/* 网关地址*/
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = NAME_LEN, ArraySubType = UnmanagedType.I1)]
            public byte[] sUserName;/* 用户名 （此参数只能获取）*/
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = PASSWD_LEN, ArraySubType = UnmanagedType.I1)]
            public byte[] sPassword;/*密码（此参数只能获取）*/
            [MarshalAs(UnmanagedType.ByValTStr, SizeConst = MAX_DOMAIN_NAME)]
            public string sDomainName;//域名(可修改)
            [MarshalAs(UnmanagedType.ByValTStr, SizeConst = MAX_DOMAIN_NAME)]
            public string sDnsAddress;/*DNS域名或IP地址*/
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = SERIALNO_LEN, ArraySubType = UnmanagedType.I1)]
            public byte[] sSerialNumber;//序列号（此参数只能获取）
        }

        [StructLayout(LayoutKind.Sequential)]
        public struct NET_DVR_ALLSUBSYSTEMINFO
        {
            public uint dwSize;
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = MAX_SUBSYSTEM_NUM, ArraySubType = UnmanagedType.Struct)]
            public NET_DVR_SUBSYSTEMINFO[] struSubSystemInfo;
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 8, ArraySubType = UnmanagedType.I1)]
            public byte[] byRes;
        }

        [StructLayout(LayoutKind.Sequential)]
        public struct NET_DVR_LOOPPLAN_SUBCFG
        {
            public uint dwSize;
            public uint dwPoolTime; /*轮询间隔，单位：秒*/
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = MAX_CYCLE_CHAN_V30, ArraySubType = UnmanagedType.Struct)]
            public NET_DVR_MATRIX_CHAN_INFO_V30[] struChanConInfo;
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 16, ArraySubType = UnmanagedType.I1)]
            public byte[] byRes;
        }

        [StructLayout(LayoutKind.Sequential)]
        public struct NET_DVR_ALARMMODECFG
        {
            public uint dwSize;
            public byte byAlarmMode;//报警触发类型，1-轮询，2-保持 
            public ushort wLoopTime;//轮询时间, 单位：秒 
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 9, ArraySubType = UnmanagedType.I1)]
            public byte[] byRes;
        }

        [StructLayout(LayoutKind.Sequential)]
        public struct NET_DVR_CODESPLITTERINFO
        {
            public uint dwSize;
            public NET_DVR_IPADDR struIP;/*码分器IP地址*/
            public ushort wPort;//码分器端口号
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 6, ArraySubType = UnmanagedType.I1)]
            public byte[] byRes1;
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = NAME_LEN, ArraySubType = UnmanagedType.I1)]
            public byte[] sUserName;/* 用户名 */
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = PASSWD_LEN, ArraySubType = UnmanagedType.I1)]
            public byte[] sPassword;/*密码 */
            public byte byChan;//码分器485号
            public byte by485Port;//485口地址      
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 14, ArraySubType = UnmanagedType.I1)]
            public byte[] byRes2;
        }

        [StructLayout(LayoutKind.Sequential)]
        public struct NET_DVR_ASSOCIATECFG
        {
            public byte byAssociateType;//关联类型，1-报警
            public ushort wAlarmDelay;//报警延时，0－5秒；1－10秒；2－30秒；3－1分钟；4－2分钟；5－5分钟；6－10分钟；
            public byte byAlarmNum;//报警号，具体的值由应用赋，相同的报警赋相同的值
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 8, ArraySubType = UnmanagedType.I1)]
            public byte[] byRes;
        }

        [StructLayout(LayoutKind.Sequential)]
        public struct NET_DVR_DYNAMICDECODE
        {
            public uint dwSize;
            public NET_DVR_ASSOCIATECFG struAssociateCfg;//触发动态解码关联结构
            public NET_DVR_PU_STREAM_CFG struPuStreamCfg;//动态解码结构
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 8, ArraySubType = UnmanagedType.I1)]
            public byte[] byRes;
        }
        [StructLayout(LayoutKind.Sequential)]
        public struct NET_DVR_DECODESCHED
        {
            public NET_DVR_SCHEDTIME struSchedTime;
            public byte byDecodeType;/*0-无，1-轮询解码，2-动态解码*/
            public byte byLoopGroup;//轮询组号
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 6, ArraySubType = UnmanagedType.I1)]
            public byte[] byRes;
            public NET_DVR_PU_STREAM_CFG struDynamicDec;//动态解码
        }
        [StructLayout(LayoutKind.Sequential)]
        public struct NET_DVR_PLANDECODE
        {
            public uint dwSize;
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = MAX_DAYS * DECODE_TIMESEGMENT, ArraySubType = UnmanagedType.I1)]
            public NET_DVR_DECODESCHED[] struDecodeSched;//周一作为开始，和9000一致
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 8, ArraySubType = UnmanagedType.I1)]
            public byte[] byres;
        }
        /************************************视频综合平台(end)***************************************/
        [StructLayout(LayoutKind.Sequential)]
        public struct NET_DVR_VIDEOPLATFORM_ABILITY
        {
            public uint dwSize;
            public byte byCodeSubSystemNums;//编码子系统数量
            public byte byDecodeSubSystemNums;//解码子系统数量
            [MarshalAs(System.Runtime.InteropServices.UnmanagedType.ByValArray, SizeConst = 12, ArraySubType = System.Runtime.InteropServices.UnmanagedType.I1)]
            public byte[] byWindowMode; /*显示通道支持的窗口模式*/
            [MarshalAs(System.Runtime.InteropServices.UnmanagedType.ByValArray, SizeConst = 16, ArraySubType = System.Runtime.InteropServices.UnmanagedType.I1)]
            public byte[] byRes;
        }



        [StructLayout(LayoutKind.Sequential)]
        public struct NET_DVR_SUBSYSTEM_ABILITY
        {
            /*子系统类型，1-解码用子系统，2-编码用子系统，3-级联输出子系统，4-级联输入子系统，5-码分器子系统，6-报警主机子系统，7-智能子系统，8-V6解码子系统，9-V6子系统，0-NULL（此参数只能获取）*/
            public byte bySubSystemType;
            public byte byChanNum;//子系统通道数
            public byte byStartChan;//子系统起始通道数
            public byte bySlotNum;//槽位号 
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 4, ArraySubType = UnmanagedType.I1)]
            public byte[] byRes1;
            public struDecoderSystemAbility _struAbility;
        }
        [StructLayout(LayoutKind.Sequential)]
        public struct struDecoderSystemAbility
        {
            public byte byVGANums;//VGA显示通道个数（从1开始）
            public byte byBNCNums;//BNC显示通道个数（从9开始）
            public byte byHDMINums;//HDMI显示通道个数（从25开始）
            public byte byDVINums;//DVI显示通道个数（从29开始）

            public byte byLayerNums;//大屏拼接中，做主屏时所支持图层数
            public byte bySpartan;//畅显功能，0-不支持，1-支持
            public byte byDecType; //解码子系统类型，0-普通型,1-增强型(普通型分屏时前4窗口需使用自身资源，增强型无此限制，增强型最多可被其他子系统借16路D1解码资源
            //增强型被大屏关联为子屏后资源可被借用，普通型则不能被借用)
            public byte byOutputSwitch;//是否支持HDMI/DVI互相切换，0-不支持，1-支持
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 39, ArraySubType = UnmanagedType.I1)]
            public byte[] byRes1;
            public byte byDecoderType; //解码板类型  0-普通解码板 1-万能解码板
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 152, ArraySubType = UnmanagedType.I1)]
            public byte[] byRes2;
        }

        [StructLayout(LayoutKind.Sequential)]
        public struct struAbility
        {
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 200, ArraySubType = UnmanagedType.I1)]
            //  [FieldOffsetAttribute(0)]
            public byte[] byRes;
        }

        [StructLayout(LayoutKind.Sequential)]
        public struct NET_DVR_VIDEOPLATFORM_ABILITY_V40
        {
            public uint dwSize;
            public byte byCodeSubSystemNums;
            public byte byDecodeSubSystemNums;//解码子系统数量
            public byte bySupportNat;//是否支持NAT，0-不支持，1-支持
            public byte byInputSubSystemNums;//级联输入子系统数量
            public byte byOutputSubSystemNums;//级联输出子系统数量
            public byte byCodeSpitterSubSystemNums;//码分子系统数量
            public byte byAlarmHostSubSystemNums;//报警子系统数量
            public byte bySupportBigScreenNum;//所支持最多组成大屏的个数
            public byte byVCASubSystemNums;//智能子系统数量
            public byte byV6SubSystemNums;//V6子系统数量
            public byte byV6DecoderSubSystemNums;//V6解码子系统数量
            public byte bySupportBigScreenX;/*大屏拼接的模式：m×n*/
            public byte bySupportBigScreenY;
            public byte bySupportSceneNums;//支持场景模式的个数
            public byte byVcaSupportChanMode;//智能支持的通道使用模式，0-使用解码通道，1-使用显示通道及子通道号
            public byte bySupportScreenNums;//所支持的大屏的屏幕最大个数
            public byte bySupportLayerNums;//所支持的图层数，0xff-无效
            public byte byNotSupportPreview;//是否支持预览,1-不支持，0-支持
            public byte byNotSupportStorage;//是否支持存储,1-不支持，0-支持
            public byte byUploadLogoMode;//上传logo模式，0-上传给解码通道，1-上传给显示通道
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = MAX_SUBSYSTEM_NUM_V40, ArraySubType = UnmanagedType.Struct)]
            public NET_DVR_SUBSYSTEM_ABILITY[] struSubSystemAbility;
            public byte by485Nums;//485串口个数
            public byte by232Nums;//232串口个数
            public byte bySerieStartChan;//起始通道
            public byte byScreenMode;//大屏模式，0-主屏由客户端分配，1-主屏由设备端分配
            public byte byDevVersion;//设备版本，0-B10/B11/B12，1-B20
            public byte bySupportBaseMapNums;//所支持的底图数，底图号从1开始
            public ushort wBaseLengthX;//每个屏大小的基准值，B20使用
            public ushort wBaseLengthY;
            public byte bySupportPictureTrans;  //是否支持图片回显，0-不支持，1-支持	
            public byte bySupportPreAllocDec;   //是否支持智能解码资源预分配，0-不支持，1-支持
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 628, ArraySubType = UnmanagedType.I1)]
            public byte[] byRes2;
        }

        [StructLayout(LayoutKind.Sequential)]
        public struct NET_DVR_SINGLESCREENCFG
        {
            public byte byScreenSeq;//屏幕序号，0xff表示不用此屏,64-T解码器第一个表示主屏
            public byte bySubSystemNum;//解码子系统槽位号,解码器此值没有用
            public byte byDispNum;//解码子系统上对应显示通道号，64-T解码器中该值表示解码器的显示通道号
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 9, ArraySubType = UnmanagedType.I1)]
            public byte[] byRes;
        }

        [StructLayout(LayoutKind.Sequential)]
        public struct NET_DVR_BIGSCREENCFG
        {
            public uint dwSize;
            public byte byEnable;//大屏拼接使能，0-不使能，1-使能
            public byte byModeX;/*大屏拼接模式*/
            public byte byModeY;
            public byte byMainDecodeSystem;//综合平台的解码板中该值表示主屏槽位号，64-T解码器中该值表示解码通道号
            public byte byMainDecoderDispChan;//主屏所用显示通道号，1.1netra版本新增，netra解码器有两个显示通道，都能够作为主屏。64-T中该值无效
            public byte byVideoStandard;      //大屏每个子屏制式相同 1:NTSC,2:PAL
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 2, ArraySubType = UnmanagedType.I1)]
            public byte[] byRes1;
            public uint dwResolution;         //大屏每个子屏分辨率相同
            //大屏拼接从屏幕信息
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = MAX_BIGSCREENNUM, ArraySubType = UnmanagedType.Struct)]
            public NET_DVR_SINGLESCREENCFG[] struFollowSingleScreen;
            //起始坐标必须为基准坐标的整数倍
            public ushort wBigScreenX; //大屏在电视墙中起始X坐标
            public ushort wBigScreenY; //大屏在电视墙中起始Y坐标
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 12, ArraySubType = UnmanagedType.I1)]
            public byte[] byRes2;

            public void Init()
            {
                byRes1 = new byte[2];
                struFollowSingleScreen = new NET_DVR_SINGLESCREENCFG[MAX_BIGSCREENNUM];
                byRes2 = new byte[12];
            }
        }

        /************************************视频综合平台(end)***************************************/

        [StructLayout(LayoutKind.Sequential, CharSet = CharSet.Ansi)]
        public struct NET_DVR_EMAILCFG
        {
            public uint dwSize;
            [MarshalAs(UnmanagedType.ByValTStr, SizeConst = 32)]
            public string sUserName;
            [MarshalAs(UnmanagedType.ByValTStr, SizeConst = 32)]
            public string sPassWord;
            [MarshalAs(UnmanagedType.ByValTStr, SizeConst = 32)]
            public string sFromName;/* Sender *///字符串中的第一个字符和最后一个字符不能是"@",并且字符串中要有"@"字符
            [MarshalAs(UnmanagedType.ByValTStr, SizeConst = 48)]
            public string sFromAddr;/* Sender address */
            [MarshalAs(UnmanagedType.ByValTStr, SizeConst = 32)]
            public string sToName1;/* Receiver1 */
            [MarshalAs(UnmanagedType.ByValTStr, SizeConst = 32)]
            public string sToName2;/* Receiver2 */
            [MarshalAs(UnmanagedType.ByValTStr, SizeConst = 48)]
            public string sToAddr1;/* Receiver address1 */
            [MarshalAs(UnmanagedType.ByValTStr, SizeConst = 48)]
            public string sToAddr2;/* Receiver address2 */
            [MarshalAs(UnmanagedType.ByValTStr, SizeConst = 32)]
            public string sEmailServer;/* Email server address */
            public byte byServerType;/* Email server type: 0-SMTP, 1-POP, 2-IMTP…*/
            public byte byUseAuthen;/* Email server authentication method: 1-enable, 0-disable */
            public byte byAttachment;/* enable attachment */
            public byte byMailinterval;/* mail interval 0-2s, 1-3s, 2-4s. 3-5s*/
        }

        [StructLayout(LayoutKind.Sequential)]
        public struct NET_DVR_COMPRESSIONCFG_NEW
        {
            public uint dwSize;
            public NET_DVR_COMPRESSION_INFO_EX struLowCompression;//定时录像
            public NET_DVR_COMPRESSION_INFO_EX struEventCompression;//事件触发录像
        }

        //球机位置信息
        [StructLayout(LayoutKind.Sequential)]
        public struct NET_DVR_PTZPOS
        {
            public ushort wAction;//获取时该字段无效
            public ushort wPanPos;//水平参数
            public ushort wTiltPos;//垂直参数
            public ushort wZoomPos;//变倍参数
        }

        //球机范围信息
        [StructLayout(LayoutKind.Sequential)]
        public struct NET_DVR_PTZSCOPE
        {
            public ushort wPanPosMin;//水平参数min
            public ushort wPanPosMax;//水平参数max
            public ushort wTiltPosMin;//垂直参数min
            public ushort wTiltPosMax;//垂直参数max
            public ushort wZoomPosMin;//变倍参数min
            public ushort wZoomPosMax;//变倍参数max
        }

        //rtsp配置 ipcamera专用
        [StructLayout(LayoutKind.Sequential)]
        public struct NET_DVR_RTSPCFG
        {
            public uint dwSize;//长度
            public ushort wPort;//rtsp服务器侦听端口
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 54, ArraySubType = UnmanagedType.I1)]
            public byte[] byReserve;//预留
        }

        /********************************接口参数结构(begin)*********************************/

        //NET_DVR_Login()参数结构
        [StructLayout(LayoutKind.Sequential)]
        public struct NET_DVR_DEVICEINFO
        {
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = SERIALNO_LEN, ArraySubType = UnmanagedType.I1)]
            public byte[] sSerialNumber;//序列号
            public byte byAlarmInPortNum;//DVR报警输入个数
            public byte byAlarmOutPortNum;//DVR报警输出个数
            public byte byDiskNum;//DVR硬盘个数
            public byte byDVRType;//DVR类型, 1:DVR 2:ATM DVR 3:DVS ......
            public byte byChanNum;//DVR 通道个数
            public byte byStartChan;//起始通道号,例如DVS-1,DVR - 1
        }

        //NET_DVR_Login_V30()参数结构
        [StructLayout(LayoutKind.Sequential)]
        public struct NET_DVR_DEVICEINFO_V30
        {
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = SERIALNO_LEN, ArraySubType = UnmanagedType.I1)]
            public byte[] sSerialNumber;  //序列号
            public byte byAlarmInPortNum;		        //报警输入个数
            public byte byAlarmOutPortNum;		        //报警输出个数
            public byte byDiskNum;				    //硬盘个数
            public byte byDVRType;				    //设备类型, 1:DVR 2:ATM DVR 3:DVS ......
            public byte byChanNum;				    //模拟通道个数
            public byte byStartChan;			        //起始通道号,例如DVS-1,DVR - 1
            public byte byAudioChanNum;                //语音通道数
            public byte byIPChanNum;					//最大数字通道个数，低位  
            public byte byZeroChanNum;			//零通道编码个数 //2010-01-16
            public byte byMainProto;			//主码流传输协议类型 0-private, 1-rtsp,2-同时支持private和rtsp
            public byte bySubProto;				//子码流传输协议类型0-private, 1-rtsp,2-同时支持private和rtsp
            public byte bySupport;        //能力，位与结果为0表示不支持，1表示支持，
                                          //bySupport & 0x1, 表示是否支持智能搜索
                                          //bySupport & 0x2, 表示是否支持备份
                                          //bySupport & 0x4, 表示是否支持压缩参数能力获取
                                          //bySupport & 0x8, 表示是否支持多网卡
                                          //bySupport & 0x10, 表示支持远程SADP
                                          //bySupport & 0x20, 表示支持Raid卡功能
                                          //bySupport & 0x40, 表示支持IPSAN 目录查找
                                          //bySupport & 0x80, 表示支持rtp over rtsp
            public byte bySupport1;        // 能力集扩充，位与结果为0表示不支持，1表示支持
                                           //bySupport1 & 0x1, 表示是否支持snmp v30
                                           //bySupport1 & 0x2, 支持区分回放和下载
                                           //bySupport1 & 0x4, 是否支持布防优先级	
                                           //bySupport1 & 0x8, 智能设备是否支持布防时间段扩展
                                           //bySupport1 & 0x10, 表示是否支持多磁盘数（超过33个）
                                           //bySupport1 & 0x20, 表示是否支持rtsp over http	
                                           //bySupport1 & 0x80, 表示是否支持车牌新报警信息2012-9-28, 且还表示是否支持NET_DVR_IPPARACFG_V40结构体
            public byte bySupport2; /*能力，位与结果为0表示不支持，非0表示支持							
							bySupport2 & 0x1, 表示解码器是否支持通过URL取流解码
							bySupport2 & 0x2,  表示支持FTPV40
							bySupport2 & 0x4,  表示支持ANR
							bySupport2 & 0x8,  表示支持CCD的通道参数配置
							bySupport2 & 0x10,  表示支持布防报警回传信息（仅支持抓拍机报警 新老报警结构）
							bySupport2 & 0x20,  表示是否支持单独获取设备状态子项
							bySupport2 & 0x40,  表示是否是码流加密设备*/
            public ushort wDevType;              //设备型号
            public byte bySupport3; //能力集扩展，位与结果为0表示不支持，1表示支持
                                    //bySupport3 & 0x1, 表示是否多码流
                                    // bySupport3 & 0x4 表示支持按组配置， 具体包含 通道图像参数、报警输入参数、IP报警输入、输出接入参数、
                                    // 用户参数、设备工作状态、JPEG抓图、定时和时间抓图、硬盘盘组管理 
                                    //bySupport3 & 0x8为1 表示支持使用TCP预览、UDP预览、多播预览中的"延时预览"字段来请求延时预览（后续都将使用这种方式请求延时预览）。而当bySupport3 & 0x8为0时，将使用 "私有延时预览"协议。
                                    //bySupport3 & 0x10 表示支持"获取报警主机主要状态（V40）"。
                                    //bySupport3 & 0x20 表示是否支持通过DDNS域名解析取流

            public byte byMultiStreamProto;//是否支持多码流,按位表示,0-不支持,1-支持,bit1-码流3,bit2-码流4,bit7-主码流，bit-8子码流
            public byte byStartDChan;		//起始数字通道号,0表示无效
            public byte byStartDTalkChan;	//起始数字对讲通道号，区别于模拟对讲通道号，0表示无效
            public byte byHighDChanNum;		//数字通道个数，高位
            public byte bySupport4;
            public byte byLanguageType;// 支持语种能力,按位表示,每一位0-不支持,1-支持  
                                       //  byLanguageType 等于0 表示 老设备
                                       //  byLanguageType & 0x1表示支持中文
                                       //  byLanguageType & 0x2表示支持英文
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 9, ArraySubType = UnmanagedType.I1)]
            public byte[] byRes2;		//保留
        }

        //sdk网络环境枚举变量，用于远程升级
        public enum SDK_NETWORK_ENVIRONMENT
        {
            LOCAL_AREA_NETWORK = 0,
            WIDE_AREA_NETWORK,
        }

        //显示模式
        public enum DISPLAY_MODE
        {
            NORMALMODE = 0,
            OVERLAYMODE
        }

        //发送模式
        public enum SEND_MODE
        {
            PTOPTCPMODE = 0,
            PTOPUDPMODE,
            MULTIMODE,
            RTPMODE,
            RESERVEDMODE
        }

        //抓图模式
        public enum CAPTURE_MODE
        {
            BMP_MODE = 0,		//BMP模式
            JPEG_MODE = 1		//JPEG模式 
        }

        //实时声音模式
        public enum REALSOUND_MODE
        {
            MONOPOLIZE_MODE = 1,//独占模式
            SHARE_MODE = 2		//共享模式
        }

        public struct NET_DVR_CLIENTINFO
        {
            public Int32 lChannel;//通道号
            public Int32 lLinkMode;//最高位(31)为0表示主码流，为1表示子码流，0－30位表示码流连接方式: 0：TCP方式,1：UDP方式,2：多播方式,3 - RTP方式，4-音视频分开(TCP)
            public IntPtr hPlayWnd;//播放窗口的句柄,为NULL表示不播放图象
            public string sMultiCastIP;//多播组地址
        }

        //SDK状态信息(9000新增)
        [StructLayout(LayoutKind.Sequential)]
        public struct NET_DVR_SDKSTATE
        {
            public uint dwTotalLoginNum;//当前login用户数
            public uint dwTotalRealPlayNum;//当前realplay路数
            public uint dwTotalPlayBackNum;//当前回放或下载路数
            public uint dwTotalAlarmChanNum;//当前建立报警通道路数
            public uint dwTotalFormatNum;//当前硬盘格式化路数
            public uint dwTotalFileSearchNum;//当前日志或文件搜索路数
            public uint dwTotalLogSearchNum;//当前日志或文件搜索路数
            public uint dwTotalSerialNum;//当前透明通道路数
            public uint dwTotalUpgradeNum;//当前升级路数
            public uint dwTotalVoiceComNum;//当前语音转发路数
            public uint dwTotalBroadCastNum;//当前语音广播路数
            public uint dwTotalListenNum;	    //当前网络监听路数
            public uint dwEmailTestNum;       //当前邮件计数路数
            public uint dwBackupNum;          // 当前文件备份路数
            public uint dwTotalInquestUploadNum; //当前审讯上传路数
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 6, ArraySubType = UnmanagedType.U4)]
            public uint[] dwRes;
        }

        //SDK功能支持信息(9000新增)
        [StructLayout(LayoutKind.Sequential)]
        public struct NET_DVR_SDKABL
        {
            public uint dwMaxLoginNum;//最大login用户数 MAX_LOGIN_USERS
            public uint dwMaxRealPlayNum;//最大realplay路数 WATCH_NUM
            public uint dwMaxPlayBackNum;//最大回放或下载路数 WATCH_NUM
            public uint dwMaxAlarmChanNum;//最大建立报警通道路数 ALARM_NUM
            public uint dwMaxFormatNum;//最大硬盘格式化路数 SERVER_NUM
            public uint dwMaxFileSearchNum;//最大文件搜索路数 SERVER_NUM
            public uint dwMaxLogSearchNum;//最大日志搜索路数 SERVER_NUM
            public uint dwMaxSerialNum;//最大透明通道路数 SERVER_NUM
            public uint dwMaxUpgradeNum;//最大升级路数 SERVER_NUM
            public uint dwMaxVoiceComNum;//最大语音转发路数 SERVER_NUM
            public uint dwMaxBroadCastNum;//最大语音广播路数 MAX_CASTNUM
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 10, ArraySubType = UnmanagedType.U4)]
            public uint[] dwRes;
        }

        //报警设备信息
        [StructLayout(LayoutKind.Sequential, CharSet = CharSet.Ansi)]
        public struct NET_DVR_ALARMER
        {
            public byte byUserIDValid;/* userid是否有效 0-无效，1-有效 */
            public byte bySerialValid;/* 序列号是否有效 0-无效，1-有效 */
            public byte byVersionValid;/* 版本号是否有效 0-无效，1-有效 */
            public byte byDeviceNameValid;/* 设备名字是否有效 0-无效，1-有效 */
            public byte byMacAddrValid; /* MAC地址是否有效 0-无效，1-有效 */
            public byte byLinkPortValid;/* login端口是否有效 0-无效，1-有效 */
            public byte byDeviceIPValid;/* 设备IP是否有效 0-无效，1-有效 */
            public byte bySocketIPValid;/* socket ip是否有效 0-无效，1-有效 */
            public int lUserID; /* NET_DVR_Login()返回值, 布防时有效 */
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = SERIALNO_LEN, ArraySubType = UnmanagedType.I1)]
            public byte[] sSerialNumber;/* 序列号 */
            public uint dwDeviceVersion;/* 版本信息 高16位表示主版本，低16位表示次版本*/
            [MarshalAs(UnmanagedType.ByValTStr, SizeConst = NAME_LEN)]
            public string sDeviceName;/* 设备名字 */
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = MACADDR_LEN, ArraySubType = UnmanagedType.I1)]
            public byte[] byMacAddr;/* MAC地址 */
            public ushort wLinkPort; /* link port */
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 128, ArraySubType = UnmanagedType.I1)]
            public byte[] sDeviceIP;/* IP地址 */
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 128, ArraySubType = UnmanagedType.I1)]
            public byte[] sSocketIP;/* 报警主动上传时的socket IP地址 */
            public byte byIpProtocol; /* Ip协议 0-IPV4, 1-IPV6 */
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 11, ArraySubType = UnmanagedType.I1)]
            public byte[] byRes2;
        }

        public delegate void fLoginResultCallBack(int lUserID, uint dwResult, NET_DVR_DEVICEINFO_V30 lpDeviceInfo, IntPtr pUser);
        [StructLayout(LayoutKind.Sequential, CharSet = CharSet.Ansi)]
        public struct NET_DVR_USER_LOGIN_INFO
        {
            [MarshalAs(UnmanagedType.ByValTStr, SizeConst = NET_DVR_DEV_ADDRESS_MAX_LEN)]
            public string sDeviceAddress;
            public byte byUseTransport;    //是否启用能力集透传，0--不启用透传，默认，1--启用透传
            public ushort wPort;//WORD
            [MarshalAs(UnmanagedType.ByValTStr, SizeConst = NET_DVR_LOGIN_USERNAME_MAX_LEN)]
            public string sUserName;
            [MarshalAs(UnmanagedType.ByValTStr, SizeConst = NET_DVR_LOGIN_PASSWD_MAX_LEN)]
            public string sPassword;
            public fLoginResultCallBack cbLoginResult;
            public IntPtr pUser;//void*
            public byte bUseAsynLogin;//BOOL 0-异步登陆 1：同步登陆
            public byte byProxyType; //0:不使用代理，1：使用标准代理，2：使用EHome代理
            public byte byUseUTCTime;    //0-不进行转换，默认,1-接口上输入输出全部使用UTC时间,SDK完成UTC时间与设备时区的转换,2-接口上输入输出全部使用平台本地时间，SDK完成平台本地时间与设备时区的转换
            public byte byLoginMode; //0-Private 1-ISAPI 2-自适应
            public byte byHttps;    //0-不适用tls，1-使用tls 2-自适应
            public int iProxyID;    //LONG代理服务器序号，添加代理服务器信息时，相对应的服务器数组下表值
            public byte byVerifyMode;  //认证方式，0-不认证，1-双向认证，2-单向认证；认证仅在使用TLS的时候生效;
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 119, ArraySubType = UnmanagedType.I1)]
            public byte[] byRes3;
        }

        [StructLayout(LayoutKind.Sequential)]
        public struct NET_DVR_DEVICEINFO_V40
        {
            public NET_DVR_DEVICEINFO_V30 struDeviceV30;
            public byte bySupportLock;        //设备支持锁定功能，该字段由SDK根据设备返回值来赋值的。bySupportLock为1时，dwSurplusLockTime和byRetryLoginTime有效
            public byte byRetryLoginTime;        //剩余可尝试登陆的次数，用户名，密码错误时，此参数有效
            public byte byPasswordLevel;      //admin密码安全等级0-无效，1-默认密码，2-有效密码,3-风险较高的密码。当用户的密码为出厂默认密码（12345）或者风险较高的密码时，上层客户端需要提示用户更改密码。      
            public byte byProxyType;  //代理类型，0-不使用代理, 1-使用socks5代理, 2-使用EHome代理
            public uint dwSurplusLockTime;    //剩余时间，单位秒，用户锁定时，此参数有效DWORD
            public byte byCharEncodeType;     //字符编码类型
            public byte bySupportDev5;//支持v50版本的设备参数获取，设备名称和设备类型名称长度扩展为64字节
            public byte bySupport;  //能力集扩展，位与结果：0- 不支持，1- 支持
            // bySupport & 0x1:  保留
            // bySupport & 0x2:  0-不支持变化上报 1-支持变化上报
            public byte byLoginMode; //登录模式 0-Private登录 1-ISAPI登录
            public uint dwOEMCode;//DWORD
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 248, ArraySubType = UnmanagedType.I1)]
            public byte[] byRes2;
        }


        //硬解码显示区域参数(子结构)
        [StructLayout(LayoutKind.Sequential)]
        public struct NET_DVR_DISPLAY_PARA
        {
            public int bToScreen;
            public int bToVideoOut;
            public int nLeft;
            public int nTop;
            public int nWidth;
            public int nHeight;
            public int nReserved;
        }

        //硬解码预览参数
        [StructLayout(LayoutKind.Sequential)]
        public struct NET_DVR_CARDINFO
        {
            public int lChannel;//通道号
            public int lLinkMode;//最高位(31)为0表示主码流，为1表示子，0－30位表示码流连接方式:0：TCP方式,1：UDP方式,2：多播方式,3 - RTP方式，4-电话线，5－128k宽带，6－256k宽带，7－384k宽带，8－512k宽带；
            [MarshalAs(UnmanagedType.LPStr)]
            public string sMultiCastIP;
            public NET_DVR_DISPLAY_PARA struDisplayPara;
        }

        //录象文件参数
        [StructLayout(LayoutKind.Sequential, CharSet = CharSet.Ansi)]
        public struct NET_DVR_FIND_DATA
        {
            [MarshalAs(UnmanagedType.ByValTStr, SizeConst = 100)]
            public string sFileName;//文件名
            public NET_DVR_TIME struStartTime;//文件的开始时间
            public NET_DVR_TIME struStopTime;//文件的结束时间
            public uint dwFileSize;//文件的大小
        }

        //录象文件参数(9000)
        [StructLayout(LayoutKind.Sequential, CharSet = CharSet.Ansi)]
        public struct NET_DVR_FINDDATA_V30
        {
            [MarshalAs(UnmanagedType.ByValTStr, SizeConst = 100)]
            public string sFileName;//文件名
            public NET_DVR_TIME struStartTime;//文件的开始时间
            public NET_DVR_TIME struStopTime;//文件的结束时间
            public uint dwFileSize;//文件的大小
            [MarshalAs(UnmanagedType.ByValTStr, SizeConst = 32)]
            public string sCardNum;
            public byte byLocked;//9000设备支持,1表示此文件已经被锁定,0表示正常的文件
            public byte byFileType;  //文件类型:0－定时录像,1-移动侦测 ，2－报警触发，
            //3-报警|移动侦测 4-报警&移动侦测 5-命令触发 6-手动录像,7－震动报警，8-环境报警，9-智能报警，10-PIR报警，11-无线报警，12-呼救报警,14-智能交通事件
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 2, ArraySubType = UnmanagedType.I1)]
            public byte[] byRes;
        }

        //录象文件参数(cvr)
        [StructLayout(LayoutKind.Sequential, CharSet = CharSet.Ansi)]
        public struct NET_DVR_FINDDATA_V40
        {
            [MarshalAs(UnmanagedType.ByValTStr, SizeConst = 100)]
            public string sFileName;//文件名
            public NET_DVR_TIME struStartTime;//文件的开始时间
            public NET_DVR_TIME struStopTime;//文件的结束时间
            public uint dwFileSize;//文件的大小
            [MarshalAs(UnmanagedType.ByValTStr, SizeConst = 32)]
            public string sCardNum;
            public byte byLocked;//9000设备支持,1表示此文件已经被锁定,0表示正常的文件
            public byte byFileType;  //文件类型:0－定时录像,1-移动侦测 ，2－报警触发，
                                     //3-报警|移动侦测 4-报警&移动侦测 5-命令触发 6-手动录像,7－震动报警，8-环境报警，9-智能报警，10-PIR报警，11-无线报警，12-呼救报警,14-智能交通事件
            public byte byQuickSearch; //0:普通查询结果，1：快速（日历）查询结果
            public byte byRes;
            public uint dwFileIndex; //文件索引号
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 128, ArraySubType = UnmanagedType.I1)]
            public byte[] byRes1;
        }

        //录象文件参数(带卡号)
        [StructLayout(LayoutKind.Sequential, CharSet = CharSet.Ansi)]
        public struct NET_DVR_FINDDATA_CARD
        {
            [MarshalAs(UnmanagedType.ByValTStr, SizeConst = 100)]
            public string sFileName;//文件名
            public NET_DVR_TIME struStartTime;//文件的开始时间
            public NET_DVR_TIME struStopTime;//文件的结束时间
            public uint dwFileSize;//文件的大小
            [MarshalAs(UnmanagedType.ByValTStr, SizeConst = 32)]
            public string sCardNum;
        }

        //录象文件查找条件结构
        [StructLayout(LayoutKind.Sequential)]
        public struct NET_DVR_FILECOND
        {
            public int lChannel;//通道号
            public uint dwFileType;//录象文件类型0xff－全部，0－定时录像,1-移动侦测 ，2－报警触发，
            //3-报警|移动侦测 4-报警&移动侦测 5-命令触发 6-手动录像
            public uint dwIsLocked;//是否锁定 0-正常文件,1-锁定文件, 0xff表示所有文件
            public uint dwUseCardNo;//是否使用卡号
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 32, ArraySubType = UnmanagedType.I1)]
            public byte[] sCardNumber;//卡号
            public NET_DVR_TIME struStartTime;//开始时间
            public NET_DVR_TIME struStopTime;//结束时间
        }

        //云台区域选择放大缩小(HIK 快球专用)
        [StructLayout(LayoutKind.Sequential)]
        public struct NET_DVR_POINT_FRAME
        {
            public int xTop;//方框起始点的x坐标
            public int yTop;//方框结束点的y坐标
            public int xBottom;//方框结束点的x坐标
            public int yBottom;//方框结束点的y坐标
            public int bCounter;//保留
        }

        //语音对讲参数
        [StructLayout(LayoutKind.Sequential)]
        public struct NET_DVR_COMPRESSION_AUDIO
        {
            public byte byAudioEncType;//音频编码类型 0-G722; 1-G711
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 7, ArraySubType = UnmanagedType.I1)]
            public byte[] byres;//这里保留音频的压缩参数 
        }

        [StructLayout(LayoutKind.Sequential, CharSet = CharSet.Ansi)]
        public struct NET_DVR_AP_INFO
        {
            [MarshalAs(UnmanagedType.ByValTStr, SizeConst = IW_ESSID_MAX_SIZE)]
            public string sSsid;
            public uint dwMode;/* 0 mange 模式;1 ad-hoc模式，参见NICMODE */
            public uint dwSecurity;  /*0 不加密；1 wep加密；2 wpa-psk;3 wpa-Enterprise，参见WIFISECURITY*/
            public uint dwChannel;/*1-11表示11个通道*/
            public uint dwSignalStrength;/*0-100信号由最弱变为最强*/
            public uint dwSpeed;/*速率,单位是0.01mbps*/
        }

        [StructLayout(LayoutKind.Sequential)]
        public struct NET_DVR_AP_INFO_LIST
        {
            public uint dwSize;
            public uint dwCount;/*无线AP数量，不超过20*/
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = WIFI_MAX_AP_COUNT, ArraySubType = UnmanagedType.Struct)]
            public NET_DVR_AP_INFO[] struApInfo;
        }

        [StructLayout(LayoutKind.Sequential, CharSet = CharSet.Ansi)]
        public struct NET_DVR_WIFIETHERNET
        {
            [MarshalAs(UnmanagedType.ByValTStr, SizeConst = 16)]
            public string sIpAddress;/*IP地址*/
            [MarshalAs(UnmanagedType.ByValTStr, SizeConst = 16)]
            public string sIpMask;/*掩码*/
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = MACADDR_LEN, ArraySubType = UnmanagedType.I1)]
            public byte[] byMACAddr;/*物理地址，只用来显示*/
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 2, ArraySubType = UnmanagedType.I1)]
            public byte[] bRes;
            public uint dwEnableDhcp;/*是否启动dhcp  0不启动 1启动*/
            public uint dwAutoDns;/*如果启动dhcp是否自动获取dns,0不自动获取 1自动获取；对于有线如果启动dhcp目前自动获取dns*/
            [MarshalAs(UnmanagedType.ByValTStr, SizeConst = 16)]
            public string sFirstDns; /*第一个dns域名*/
            [MarshalAs(UnmanagedType.ByValTStr, SizeConst = 16)]
            public string sSecondDns;/*第二个dns域名*/
            [MarshalAs(UnmanagedType.ByValTStr, SizeConst = 16)]
            public string sGatewayIpAddr;/* 网关地址*/
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 8, ArraySubType = UnmanagedType.I1)]
            public byte[] bRes2;
        }

        //wifi连接状态
        [StructLayout(LayoutKind.Sequential)]
        public struct NET_DVR_WIFI_CONNECT_STATUS
        {
            public uint dwSize;
            public byte byCurStatus;	//1-已连接，2-未连接，3-正在连接
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 3, ArraySubType = UnmanagedType.I1)]
            public byte[] byRes1;		//保留
            public uint dwErrorCode;	// byCurStatus = 2时有效,1-用户名或密码错误,2-无此路由器,3-未知错误
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 244, ArraySubType = UnmanagedType.I1)]
            public byte[] byRes;
        }

        [StructLayout(LayoutKind.Sequential)]
        public struct NET_DVR_WIFI_WORKMODE
        {
            public uint dwSize;
            public uint dwNetworkInterfaceMode;/*0 自动切换模式　1 有线模式*/
        }

        //智能控制信息
        public const int MAX_VCA_CHAN = 16;//最大智能通道数
        [StructLayout(LayoutKind.Sequential)]
        public struct NET_VCA_CTRLINFO
        {
            public byte byVCAEnable;//是否开启智能
            public byte byVCAType;//智能能力类型，VCA_CHAN_ABILITY_TYPE 
            public byte byStreamWithVCA;//码流中是否带智能信息
            public byte byMode;//模式，VCA_CHAN_MODE_TYPE ,atm能力的时候需要配置
            public byte byControlType;   //控制类型，按位表示，0-否，1-是
            // byControlType &1 是否启用抓拍功能
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 3, ArraySubType = UnmanagedType.I1)]
            public byte[] byRes;//保留，设置为0 
        }

        //智能控制信息结构
        [StructLayout(LayoutKind.Sequential)]
        public struct NET_VCA_CTRLCFG
        {
            public uint dwSize;
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = MAX_VCA_CHAN, ArraySubType = UnmanagedType.Struct)]
            public NET_VCA_CTRLINFO[] struCtrlInfo;//控制信息,数组0对应设备的起始通道
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 16, ArraySubType = UnmanagedType.I1)]
            public byte[] byRes;
        }

        //智能设备能力集
        [StructLayout(LayoutKind.Sequential)]
        public struct NET_VCA_DEV_ABILITY
        {
            public uint dwSize;//结构长度
            public byte byVCAChanNum;//智能通道个数
            public byte byPlateChanNum;//车牌通道个数
            public byte byBBaseChanNum;//行为基本版个数
            public byte byBAdvanceChanNum;//行为高级版个数
            public byte byBFullChanNum;//行为完整版个数
            public byte byATMChanNum;//智能ATM个数
            public byte byPDCChanNum;         //人数统计通道个数
            public byte byITSChanNum;         //交通事件通道个数
            public byte byBPrisonChanNum;     //行为监狱版(监舍)通道个数
            public byte byFSnapChanNum;       //人脸抓拍通道个数
            public byte byFSnapRecogChanNum;  //人脸抓拍和识别通道个数
            public byte byFRetrievalChanNum;  //人脸后检索个数
            public byte bySupport;            //能力，位与结果为0表示不支持，1表示支持
            //bySupport & 0x1，表示是否支持智能跟踪 2012-3-22
            //bySupport & 0x2，表示是否支持128路取流扩展2012-12-27
            public byte byFRecogChanNum;      //人脸识别通道个数
            public byte byBPPerimeterChanNum; //行为监狱版(周界)通道个数
            public byte byTPSChanNum;         //交通诱导通道个数
            public byte byTFSChanNum;         //道路违章取证通道个数
            public byte byFSnapBFullChanNum;  //人脸抓拍和行为分析通道个数
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 22, ArraySubType = UnmanagedType.I1)]
            public byte[] byRes;
        }

        //行为分析能力类型
        public enum VCA_ABILITY_TYPE : uint
        {
            TRAVERSE_PLANE_ABILITY = 0x01,       //穿越警戒面
            ENTER_AREA_ABILITY = 0x02,       //进入区域
            EXIT_AREA_ABILITY = 0x04,       //离开区域
            INTRUSION_ABILITY = 0x08,       //入侵
            LOITER_ABILITY = 0x10,       //徘徊
            LEFT_TAKE_ABILITY = 0x20,       //物品遗留拿取
            PARKING_ABILITY = 0x40,       //停车
            RUN_ABILITY = 0x80,       //快速移动
            HIGH_DENSITY_ABILITY = 0x100,      //人员聚集
            LF_TRACK_ABILITY = 0x200,      //球机跟踪
            VIOLENT_MOTION_ABILITY = 0x400,      //剧烈运动检测
            REACH_HIGHT_ABILITY = 0x800,      //攀高检测
            GET_UP_ABILITY = 0x1000,     //起身检测
            LEFT_ABILITY = 0x2000,     //物品遗留
            TAKE_ABILITY = 0x4000,     //物品拿取
            LEAVE_POSITION = 0x8000,     //离岗
            TRAIL_ABILITY = 0x10000,    //尾随 
            KEY_PERSON_GET_UP_ABILITY = 0x20000,    //重点人员起身检测
            FALL_DOWN_ABILITY = 0x80000,    //倒地
            AUDIO_ABNORMAL_ABILITY = 0x100000,   //声强突变
            ADV_REACH_HEIGHT_ABILITY = 0x200000,   //折线攀高
            TOILET_TARRY_ABILITY = 0x400000,   //如厕超时
            YARD_TARRY_ABILITY = 0x800000,   //放风场滞留
            ADV_TRAVERSE_PLANE_ABILITY = 0x1000000,  //折线警戒面
            HUMAN_ENTER_ABILITY = 0x10000000, //人靠近ATM ,只在ATM_PANEL模式下支持
            OVER_TIME_ABILITY = 0x20000000, //操作超时,只在ATM_PANEL模式下支持
            STICK_UP_ABILITY = 0x40000000, //贴纸条
            INSTALL_SCANNER_ABILITY = 0x80000000  //安装读卡器
        }

        //智能通道类型
        public enum VCA_CHAN_ABILITY_TYPE
        {
            VCA_BEHAVIOR_BASE = 1,          //行为分析基本版
            VCA_BEHAVIOR_ADVANCE = 2,          //行为分析高级版
            VCA_BEHAVIOR_FULL = 3,          //行为分析完整版
            VCA_PLATE = 4,          //车牌能力
            VCA_ATM = 5,          //ATM能力
            VCA_PDC = 6,          //人流量统计
            VCA_ITS = 7,          //智能 交通事件
            VCA_BEHAVIOR_PRISON = 8,          //行为分析监狱版(监舍) 
            VCA_FACE_SNAP = 9,           //人脸抓拍能力
            VCA_FACE_SNAPRECOG = 10,          //人脸抓拍和识别能力
            VCA_FACE_RETRIEVAL = 11,          //人脸后检索能力
            VCA_FACE_RECOG = 12,          //人脸识别能力
            VCA_BEHAVIOR_PRISON_PERIMETER = 13, // 行为分析监狱版 (周界)
            VCA_TPS = 14,          //交通诱导
            VCA_TFS = 15,          //道路违章取证
            VCA_BEHAVIOR_FACESNAP = 16           //人脸抓拍和行为分析能力
        }

        //智能ATM模式类型(ATM能力特有)
        public enum VCA_CHAN_MODE_TYPE
        {
            VCA_ATM_PANEL = 0,//ATM面板
            VCA_ATM_SURROUND = 1,//ATM环境
            VCA_ATM_FACE = 2	//ATM人脸
        }
        public enum TFS_CHAN_MODE_TYPE
        {
            TFS_CITYROAD = 0,  //TFS 城市道路
            TFS_FREEWAY = 1   //TFS 高速道路
        }

        //行为分析场景模式
        public enum BEHAVIOR_SCENE_MODE_TYPE
        {
            BEHAVIOR_SCENE_DEFAULT = 0, //系统默认
            BEHAVIOR_SCENE_WALL = 1,    //围墙
            BEHAVIOR_SCENE_INDOOR = 2   //室内
        }

        //通道能力输入参数
        [StructLayout(LayoutKind.Sequential)]
        public struct NET_VCA_CHAN_IN_PARAM
        {
            public byte byVCAType;//VCA_CHAN_ABILITY_TYPE枚举值
            public byte byMode;//模式，VCA_CHAN_MODE_TYPE ,atm能力的时候需要配置
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 2, ArraySubType = UnmanagedType.I1)]
            public byte[] byRes;//保留，设置为0 
        }

        //行为能力集结构
        [StructLayout(LayoutKind.Sequential)]
        public struct NET_VCA_BEHAVIOR_ABILITY
        {
            public uint dwSize;//结构长度
            public uint dwAbilityType;//支持的能力类型，按位表示，见VCA_ABILITY_TYPE定义
            public byte byMaxRuleNum;//最大规则数
            public byte byMaxTargetNum;//最大目标数
            public byte bySupport;		// 支持的功能类型   按位表示  
            // bySupport & 0x01 支持标定功能
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 9, ArraySubType = UnmanagedType.I1)]
            public byte[] byRes; //保留，设置为0
        }

        // 交通能力集结构
        [StructLayout(LayoutKind.Sequential)]
        public struct NET_DVR_ITS_ABILITY
        {
            public uint dwSize;             // 结构体大小
            public uint dwAbilityType;      // 支持的能力列表  参照ITS_ABILITY_TYPE
            public byte byMaxRuleNum;	 	//最大规则数
            public byte byMaxTargetNum; 	//最大目标数
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 10, ArraySubType = UnmanagedType.I1)]
            public byte[] byRes;		    // 保留
        }
        /***********************************end*******************************************/

        /************************************智能参数结构*********************************/
        //智能共用结构
        //坐标值归一化,浮点数值为当前画面的百分比大小, 精度为小数点后三位
        //点坐标结构
        [StructLayout(LayoutKind.Sequential)]
        public struct NET_VCA_POINT
        {
            public float fX;// X轴坐标, 0.001~1
            public float fY;//Y轴坐标, 0.001~1
        }

        //区域框结构
        [StructLayout(LayoutKind.Sequential)]
        public struct NET_VCA_RECT
        {
            public float fX;//边界框左上角点的X轴坐标, 0.001~1
            public float fY;//边界框左上角点的Y轴坐标, 0.001~1
            public float fWidth;//边界框的宽度, 0.001~1
            public float fHeight;//边界框的高度, 0.001~1
        }

        //行为分析事件类型
        public enum VCA_EVENT_TYPE : uint
        {
            VCA_TRAVERSE_PLANE = 0x1,        //穿越警戒面
            VCA_ENTER_AREA = 0x2,        //目标进入区域,支持区域规则
            VCA_EXIT_AREA = 0x4,        //目标离开区域,支持区域规则
            VCA_INTRUSION = 0x8,        //周界入侵,支持区域规则
            VCA_LOITER = 0x10,       //徘徊,支持区域规则
            VCA_LEFT_TAKE = 0x20,       //物品遗留拿取,支持区域规则
            VCA_PARKING = 0x40,       //停车,支持区域规则
            VCA_RUN = 0x80,       //快速移动,支持区域规则
            VCA_HIGH_DENSITY = 0x100,      //区域内人员聚集,支持区域规则
            VCA_VIOLENT_MOTION = 0x200,		 //剧烈运动检测
            VCA_REACH_HIGHT = 0x400,		 //攀高检测
            VCA_GET_UP = 0x800,	     //起身检测
            VCA_LEFT = 0x1000,     //物品遗留
            VCA_TAKE = 0x2000,     //物品拿取
            VCA_LEAVE_POSITION = 0x4000,     //离岗
            VCA_TRAIL = 0x8000,     //尾随
            VCA_KEY_PERSON_GET_UP = 0x10000,    //重点人员起身检测
            VCA_FALL_DOWN = 0x80000,    //倒地检测
            VCA_AUDIO_ABNORMAL = 0x100000,   //声强突变检测
            VCA_ADV_REACH_HEIGHT = 0x200000,   //折线攀高
            VCA_TOILET_TARRY = 0x400000,   //如厕超时
            VCA_YARD_TARRY = 0x800000,   //放风场滞留
            VCA_ADV_TRAVERSE_PLANE = 0x1000000,  //折线警戒面
            VCA_HUMAN_ENTER = 0x10000000, //人靠近ATM           只在ATM_PANEL模式下支持
            VCA_OVER_TIME = 0x20000000, //操作超时            只在ATM_PANEL模式下支持
            VCA_STICK_UP = 0x40000000, //贴纸条,支持区域规则
            VCA_INSTALL_SCANNER = 0x80000000  //安装读卡器,支持区域规则
        }

        //行为分析事件类型扩展
        public enum VCA_RULE_EVENT_TYPE_EX : ushort
        {
            ENUM_VCA_EVENT_TRAVERSE_PLANE = 1,   //穿越警戒面
            ENUM_VCA_EVENT_ENTER_AREA = 2,   //目标进入区域,支持区域规则
            ENUM_VCA_EVENT_EXIT_AREA = 3,   //目标离开区域,支持区域规则
            ENUM_VCA_EVENT_INTRUSION = 4,   //周界入侵,支持区域规则
            ENUM_VCA_EVENT_LOITER = 5,   //徘徊,支持区域规则
            ENUM_VCA_EVENT_LEFT_TAKE = 6,   //物品遗留拿取,支持区域规则
            ENUM_VCA_EVENT_PARKING = 7,   //停车,支持区域规则
            ENUM_VCA_EVENT_RUN = 8,   //快速移动,支持区域规则
            ENUM_VCA_EVENT_HIGH_DENSITY = 9,   //区域内人员聚集,支持区域规则
            ENUM_VCA_EVENT_VIOLENT_MOTION = 10,  //剧烈运动检测
            ENUM_VCA_EVENT_REACH_HIGHT = 11,  //攀高检测
            ENUM_VCA_EVENT_GET_UP = 12,  //起身检测
            ENUM_VCA_EVENT_LEFT = 13,  //物品遗留
            ENUM_VCA_EVENT_TAKE = 14,  //物品拿取
            ENUM_VCA_EVENT_LEAVE_POSITION = 15,  //离岗
            ENUM_VCA_EVENT_TRAIL = 16,  //尾随
            ENUM_VCA_EVENT_KEY_PERSON_GET_UP = 17,  //重点人员起身检测
            ENUM_VCA_EVENT_FALL_DOWN = 20,  //倒地检测
            ENUM_VCA_EVENT_AUDIO_ABNORMAL = 21,  //声强突变检测
            ENUM_VCA_EVENT_ADV_REACH_HEIGHT = 22,  //折线攀高
            ENUM_VCA_EVENT_TOILET_TARRY = 23,  //如厕超时
            ENUM_VCA_EVENT_YARD_TARRY = 24,  //放风场滞留
            ENUM_VCA_EVENT_ADV_TRAVERSE_PLANE = 25,  //折线警戒面
            ENUM_VCA_EVENT_HUMAN_ENTER = 29,  //人靠近ATM,只在ATM_PANEL模式下支持   
            ENUM_VCA_EVENT_OVER_TIME = 30,  //操作超时,只在ATM_PANEL模式下支持
            ENUM_VCA_EVENT_STICK_UP = 31,  //贴纸条,支持区域规则
            ENUM_VCA_EVENT_INSTALL_SCANNER = 32   //安装读卡器,支持区域规则
        }

        //警戒面穿越方向类型
        public enum VCA_CROSS_DIRECTION
        {
            VCA_BOTH_DIRECTION,// 双向 
            VCA_LEFT_GO_RIGHT,// 由左至右 
            VCA_RIGHT_GO_LEFT,// 由右至左 
        }

        //线结构
        [StructLayout(LayoutKind.Sequential)]
        public struct NET_VCA_LINE
        {
            public NET_VCA_POINT struStart;//起点 
            public NET_VCA_POINT struEnd; //终点

            //             public void init()
            //             {
            //                 struStart = new NET_VCA_POINT();
            //                 struEnd = new NET_VCA_POINT();
            //             }
        }

        //该结构会导致xaml界面出不来！！！！！！！！！？？问题暂时还没有找到  
        //暂时屏蔽结构先
        //多边型结构体
        [StructLayout(LayoutKind.Sequential)]
        public struct NET_VCA_POLYGON
        {
            /// DWORD->unsigned int
            public uint dwPointNum;
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = VCA_MAX_POLYGON_POINT_NUM, ArraySubType = UnmanagedType.Struct)]
            public NET_VCA_POINT[] struPos;
        }

        [StructLayout(LayoutKind.Sequential)]
        public struct NET_VCA_TRAVERSE_PLANE
        {
            public NET_VCA_LINE struPlaneBottom;//警戒面底边
            public VCA_CROSS_DIRECTION dwCrossDirection;//穿越方向: 0-双向，1-从左到右，2-从右到左
            public byte byRes1;//保留
            public byte byPlaneHeight;//警戒面高度
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 38, ArraySubType = UnmanagedType.I1)]
            public byte[] byRes2;

            //             public void init()
            //             {
            //                 struPlaneBottom = new NET_VCA_LINE();
            //                 struPlaneBottom.init();
            //                 byRes2 = new byte[38];
            //             }
        }

        //进入/离开区域参数
        [StructLayout(LayoutKind.Sequential)]
        public struct NET_VCA_AREA
        {
            public NET_VCA_POLYGON struRegion;//区域范围
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 8, ArraySubType = UnmanagedType.I1)]
            public byte[] byRes;
        }

        //根据报警延迟时间来标识报警中带图片，报警间隔和IO报警一致，1秒发送一个。
        //入侵参数
        [StructLayout(LayoutKind.Sequential)]
        public struct NET_VCA_INTRUSION
        {
            public NET_VCA_POLYGON struRegion;//区域范围
            public ushort wDuration;//报警延迟时间: 1-120秒，建议5秒，判断是有效报警的时间
            public byte bySensitivity;        //灵敏度参数，范围[1-100]
            public byte byRate;               //占比：区域内所有未报警目标尺寸目标占区域面积的比重，归一化为－；
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 4, ArraySubType = UnmanagedType.I1)]
            public byte[] byRes;
        }

        //徘徊参数
        [StructLayout(LayoutKind.Sequential)]
        public struct NET_VCA_LOITER
        {
            public NET_VCA_POLYGON struRegion;//区域范围
            public ushort wDuration;//触发徘徊报警的持续时间：1-120秒，建议10秒
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 6, ArraySubType = UnmanagedType.I1)]
            public byte[] byRes;
        }

        //丢包/捡包参数
        [StructLayout(LayoutKind.Sequential)]
        public struct NET_VCA_TAKE_LEFT
        {
            public NET_VCA_POLYGON struRegion;//区域范围
            public ushort wDuration;//触发丢包/捡包报警的持续时间：1-120秒，建议10秒
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 6, ArraySubType = UnmanagedType.I1)]
            public byte[] byRes;
        }

        //停车参数
        [StructLayout(LayoutKind.Sequential)]
        public struct NET_VCA_PARKING
        {
            public NET_VCA_POLYGON struRegion;//区域范围
            public ushort wDuration;//触发停车报警持续时间：1-120秒，建议10秒
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 6, ArraySubType = UnmanagedType.I1)]
            public byte[] byRes;
        }

        //奔跑参数
        [StructLayout(LayoutKind.Sequential)]
        public struct NET_VCA_RUN
        {
            public NET_VCA_POLYGON struRegion;//区域范围
            public float fRunDistance;//人奔跑最大距离, 范围: [0.1, 1.00]
            public byte byRes1;             // 保留字节
            public byte byMode;             // 0 像素模式  1 实际模式
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 2, ArraySubType = UnmanagedType.I1)]
            public byte[] byRes;
        }

        //人员聚集参数
        [StructLayout(LayoutKind.Sequential)]
        public struct NET_VCA_HIGH_DENSITY
        {
            public NET_VCA_POLYGON struRegion;//区域范围
            public float fDensity;//密度比率, 范围: [0.1, 1.0]
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 2, ArraySubType = UnmanagedType.I1)]
            public byte[] byRes;
            public ushort wDuration;      // 触发人员聚集参数报警阈值 20-360s
        }

        //剧烈运动参数
        [StructLayout(LayoutKind.Sequential)]
        public struct NET_VCA_VIOLENT_MOTION
        {
            public NET_VCA_POLYGON struRegion;//区域范围
            public ushort wDuration;           //触发剧烈运动报警阈值：1-50秒
            public byte bySensitivity;       //灵敏度参数，范围[1,5]
            public byte byMode;              //0-纯视频模式，1-音视频联合模式，2-纯音频模式
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 4, ArraySubType = UnmanagedType.I1)]
            public byte[] byRes;            //保留
        }

        //攀高参数
        [StructLayout(LayoutKind.Sequential)]
        public struct NET_VCA_REACH_HIGHT
        {
            public NET_VCA_LINE struVcaLine;   //攀高警戒面
            public ushort wDuration; //触发攀高报警阈值：1-120秒
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 6, ArraySubType = UnmanagedType.I1)]
            public byte[] byRes;           // 保留字节
        }

        //起床参数
        [StructLayout(LayoutKind.Sequential)]
        public struct NET_VCA_GET_UP
        {
            public NET_VCA_POLYGON struRegion; //区域范围
            public ushort wDuration;	        //触发起床报警阈值1-100 秒
            public byte byMode;             //起身检测模式,0-大床通铺模式,1-高低铺模式,2-大床通铺坐立起身模式
            public byte bySensitivity;      //灵敏度参数，范围[1,10]
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 4, ArraySubType = UnmanagedType.I1)]
            public byte[] byRes;		    //保留字节
        }

        //物品遗留
        [StructLayout(LayoutKind.Sequential)]
        public struct NET_VCA_LEFT
        {
            public NET_VCA_POLYGON struRegion; // 区域范围
            public ushort wDuration;       // 触发物品遗留报警阈值 10-100秒
            public byte bySensitivity;   // 灵敏度参数，范围[1,5] 
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 5, ArraySubType = UnmanagedType.I1)]
            public byte[] byRes;        // 保留字节
        }

        // 物品拿取
        [StructLayout(LayoutKind.Sequential)]
        public struct NET_VCA_TAKE
        {
            public NET_VCA_POLYGON struRegion;     // 区域范围
            public ushort wDuration;      // 触发物品拿取报警阈值10-100秒
            public byte bySensitivity;  // 灵敏度参数，范围[1,5] 
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 5, ArraySubType = UnmanagedType.I1)]
            public byte[] byRes;       // 保留字节
        }

        [StructLayout(LayoutKind.Sequential)]
        public struct NET_VCA_OVER_TIME
        {
            public NET_VCA_POLYGON struRegion;    // 区域范围
            public ushort wDuration;  // 操作报警时间阈值 4s-60000s
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 6, ArraySubType = UnmanagedType.I1)]
            public byte[] byRes;   // 保留字节
        }

        [StructLayout(LayoutKind.Sequential)]
        public struct NET_VCA_HUMAN_ENTER
        {
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 23, ArraySubType = UnmanagedType.U4)]
            public uint[] dwRes;			//保留字节
        }

        //贴纸条参数
        [StructLayout(LayoutKind.Sequential)]
        public struct NET_VCA_STICK_UP
        {
            public NET_VCA_POLYGON struRegion;//区域范围
            public ushort wDuration;//报警持续时间：10-60秒，建议10秒
            public byte bySensitivity;//灵敏度参数，范围[1,5]
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 5, ArraySubType = UnmanagedType.I1)]
            public byte[] byRes;
        }

        //读卡器参数
        [StructLayout(LayoutKind.Sequential)]
        public struct NET_VCA_SCANNER
        {
            public NET_VCA_POLYGON struRegion;//区域范围
            public ushort wDuration;//读卡持续时间：10-60秒
            public byte bySensitivity;//灵敏度参数，范围[1,5]
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 5, ArraySubType = UnmanagedType.I1)]
            public byte[] byRes;
        }

        //离岗事件
        [StructLayout(LayoutKind.Sequential)]
        public struct NET_VCA_LEAVE_POSITION
        {
            public NET_VCA_POLYGON struRegion; //区域范围
            public ushort wLeaveDelay;  //无人报警时间，单位：s，取值1-1800
            public ushort wStaticDelay; //睡觉报警时间，单位：s，取值1-1800
            public byte byMode;       //模式，0-离岗事件，1-睡岗事件，2-离岗睡岗事件
            public byte byPersonType; //值岗人数类型，0-单人值岗，1-双人值岗
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 2, ArraySubType = UnmanagedType.I1)]
            public byte[] byRes;     //保留
        }

        //尾随参数
        [StructLayout(LayoutKind.Sequential)]
        public struct NET_VCA_TRAIL
        {
            public NET_VCA_POLYGON struRegion;//区域范围
            public ushort wRes;      /* 保留 */
            public byte bySensitivity;       /* 灵敏度参数，范围[1,5] */
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 5, ArraySubType = UnmanagedType.I1)]
            public byte[] byRes;
        }

        //倒地参数
        [StructLayout(LayoutKind.Sequential)]
        public struct NET_VCA_FALL_DOWN
        {
            public NET_VCA_POLYGON struRegion;//区域范围
            public ushort wDuration;      /* 触发事件阈值 1-60s*/
            public byte bySensitivity;       /* 灵敏度参数，范围[1,5] */
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 5, ArraySubType = UnmanagedType.I1)]
            public byte[] byRes;
        }

        //声强突变参数
        [StructLayout(LayoutKind.Sequential)]
        public struct NET_VCA_AUDIO_ABNORMAL
        {
            public ushort wDecibel;       //声音强度
            public byte bySensitivity;  //灵敏度参数，范围[1,5] 
            public byte byAudioMode;    //声音检测模式，0-灵敏度检测，1-分贝阈值检测，2-灵敏度与分贝阈值检测 
            public byte byEnable;       //使能，是否开启
            public byte byThreshold;    //声音阈值[0,100]
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 54, ArraySubType = UnmanagedType.I1)]
            public byte[] byRes;      //保留   
        }

        [StructLayout(LayoutKind.Sequential)]
        public struct NET_DVR_AUDIO_EXCEPTION
        {
            public uint dwSize;
            public byte byEnableAudioInException;  //使能，是否开启
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 3, ArraySubType = UnmanagedType.I1)]
            public byte[] byRes1;
            public NET_VCA_AUDIO_ABNORMAL struAudioAbnormal;
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = MAX_DAYS * MAX_TIMESEGMENT_V30, ArraySubType = UnmanagedType.Struct)]
            public NET_DVR_SCHEDTIME[] struAlarmSched; //布防时间
            public NET_DVR_HANDLEEXCEPTION_V40 struHandleException;  //异常处理方式
            public uint dwMaxRelRecordChanNum;  //报警触发的录象通道 数（只读）最大支持数量
            public uint dwRelRecordChanNum;     //报警触发的录象通道 数 实际支持的数量
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = MAX_CHANNUM_V30, ArraySubType = UnmanagedType.U4)]
            public uint[] byRelRecordChan;
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 32, ArraySubType = UnmanagedType.I1)]
            public byte[] byRes2;
        }

        [StructLayout(LayoutKind.Sequential)]
        public struct NET_VCA_TOILET_TARRY
        {
            public NET_VCA_POLYGON struRegion;//区域范围
            public ushort wDelay;        //如厕超时时间[1,3600]，单位：秒
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 6, ArraySubType = UnmanagedType.I1)]
            public byte[] byRes;
        }

        [StructLayout(LayoutKind.Sequential)]
        public struct NET_VCA_YARD_TARRY
        {
            public NET_VCA_POLYGON struRegion;//区域范围
            public ushort wDelay;        //放风场滞留时间[1,120]，单位：秒
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 6, ArraySubType = UnmanagedType.I1)]
            public byte[] byRes;
        }

        [StructLayout(LayoutKind.Sequential)]
        public struct NET_VCA_ADV_REACH_HEIGHT
        {
            public NET_VCA_POLYGON struRegion; //攀高折线
            public uint dwCrossDirection;   //跨越方向(详见VCA_CROSS_DIRECTION): 0-双向，1-从左到右2-从右到左
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 4, ArraySubType = UnmanagedType.I1)]
            public byte[] byRes;		    // 保留字节
        }

        [StructLayout(LayoutKind.Sequential)]
        public struct NET_VCA_ADV_TRAVERSE_PLANE
        {
            public NET_VCA_POLYGON struRegion; //警戒面折线
            public uint dwCrossDirection;   //跨越方向(详见VCA_CROSS_DIRECTION): 0-双向，1-从左到右2-从右到左
            public byte bySensitivity;      //灵敏度参数，范围[1,5] 
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 3, ArraySubType = UnmanagedType.I1)]
            public byte[] byRes;		    //保留字节
        }

        //警戒事件参数
        [StructLayout(LayoutKind.Explicit)]
        public struct NET_VCA_EVENT_UNION
        {
            [FieldOffset(0)]
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 23, ArraySubType = UnmanagedType.U4)]
            public uint[] uLen;//参数

            //[FieldOffsetAttribute(0)]
            //public NET_VCA_TRAVERSE_PLANE struTraversePlane;//穿越警戒面参数 
            //[FieldOffsetAttribute(0)]
            //public NET_VCA_AREA struArea;//进入/离开区域参数
            //[FieldOffsetAttribute(0)]
            //public NET_VCA_INTRUSION struIntrusion;//入侵参数
            //[FieldOffsetAttribute(0)]
            //public NET_VCA_LOITER struLoiter;//徘徊参数
            //[FieldOffsetAttribute(0)]
            //public NET_VCA_TAKE_LEFT struTakeTeft;//丢包/捡包参数
            //[FieldOffsetAttribute(0)]
            //public NET_VCA_PARKING struParking;//停车参数
            //[FieldOffsetAttribute(0)]
            //public NET_VCA_RUN struRun;//奔跑参数
            //[FieldOffsetAttribute(0)]
            //public NET_VCA_HIGH_DENSITY struHighDensity;//人员聚集参数  
            //[FieldOffsetAttribute(0)]
            //public NET_VCA_VIOLENT_MOTION struViolentMotion;	//剧烈运动
            //[FieldOffsetAttribute(0)]
            //public NET_VCA_REACH_HIGHT struReachHight;      //攀高
            //[FieldOffsetAttribute(0)]
            //public NET_VCA_GET_UP struGetUp;           //起床
            //[FieldOffsetAttribute(0)]
            //public NET_VCA_LEFT struLeft;            //物品遗留
            //[FieldOffsetAttribute(0)]
            //public NET_VCA_TAKE struTake;            // 物品拿取
            //[FieldOffsetAttribute(0)]
            //public NET_VCA_HUMAN_ENTER struHumanEnter;      //人员进入
            //[FieldOffsetAttribute(0)]
            //public NET_VCA_OVER_TIME struOvertime;        //操作超时
            //[FieldOffsetAttribute(0)]
            //public NET_VCA_STICK_UP struStickUp;//贴纸条
            //[FieldOffsetAttribute(0)]
            //public NET_VCA_SCANNER struScanner;//读卡器参数
            //[FieldOffsetAttribute(0)]
            //public NET_VCA_LEAVE_POSITION struLeavePos;        //离岗参数
            //[FieldOffsetAttribute(0)]
            //public NET_VCA_TRAIL struTrail;           //尾随参数
            //[FieldOffsetAttribute(0)]
            //public NET_VCA_FALL_DOWN struFallDown;        //倒地参数
            //[FieldOffsetAttribute(0)]
            //public NET_VCA_AUDIO_ABNORMAL struAudioAbnormal;   //声强突变
            //[FieldOffsetAttribute(0)]
            //public NET_VCA_ADV_REACH_HEIGHT struReachHeight;     //折线攀高参数
            //[FieldOffsetAttribute(0)]
            //public NET_VCA_TOILET_TARRY struToiletTarry;     //如厕超时参数
            //[FieldOffsetAttribute(0)]
            //public NET_VCA_YARD_TARRY struYardTarry;       //放风场滞留参数
            //[FieldOffsetAttribute(0)]
            //public NET_VCA_ADV_TRAVERSE_PLANE struAdvTraversePlane;//折线警戒面参数            
        }

        // 尺寸过滤器类型
        public enum SIZE_FILTER_MODE
        {
            IMAGE_PIX_MODE,//根据像素大小设置
            REAL_WORLD_MODE,//根据实际大小设置
            DEFAULT_MODE 	// 默认模式
        }

        //尺寸过滤器
        [StructLayout(LayoutKind.Sequential)]
        public struct NET_VCA_SIZE_FILTER
        {
            public byte byActive;//是否激活尺寸过滤器 0-否 非0-是
            public byte byMode;//过滤器模式SIZE_FILTER_MODE
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 2, ArraySubType = UnmanagedType.I1)]
            public byte[] byRes;//保留，置0
            public NET_VCA_RECT struMiniRect;//最小目标框,全0表示不设置
            public NET_VCA_RECT struMaxRect;//最大目标框,全0表示不设置
        }

        //警戒规则结构
        [StructLayout(LayoutKind.Sequential)]
        public struct NET_VCA_ONE_RULE
        {
            public byte byActive;//是否激活规则,0-否,非0-是
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 7, ArraySubType = UnmanagedType.I1)]
            public byte[] byRes;//保留，设置为0字段
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = NAME_LEN, ArraySubType = UnmanagedType.I1)]
            public byte[] byRuleName;//规则名称
            public VCA_EVENT_TYPE dwEventType;//行为分析事件类型
            public NET_VCA_EVENT_UNION uEventParam;//行为分析事件参数
            public NET_VCA_SIZE_FILTER struSizeFilter;//尺寸过滤器
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = MAX_DAYS * MAX_TIMESEGMENT_2, ArraySubType = UnmanagedType.Struct)]
            public NET_DVR_SCHEDTIME[] struAlarmTime;//布防时间
            public NET_DVR_HANDLEEXCEPTION_V30 struHandleType;//处理方式 
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = MAX_CHANNUM_V30, ArraySubType = UnmanagedType.I1)]
            public byte[] byRelRecordChan;//报警触发的录象通道,为1表示触发该通道
        }

        //行为分析配置结构体
        [StructLayout(LayoutKind.Sequential)]
        public struct NET_VCA_RULECFG
        {
            public uint dwSize;//结构长度
            public byte byPicProType;//报警时图片处理方式 0-不处理 非0-上传
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 3, ArraySubType = UnmanagedType.I1)]
            public byte[] byRes;
            public NET_DVR_JPEGPARA struPictureParam;//图片规格结构
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = MAX_RULE_NUM, ArraySubType = UnmanagedType.Struct)]
            public NET_VCA_ONE_RULE[] struRule;//规则数组
        }

        //尺寸过滤策略
        [StructLayout(LayoutKind.Sequential)]
        public struct NET_VCA_FILTER_STRATEGY
        {
            public byte byStrategy;      //尺寸过滤策略 0 - 不启用 1-高度和宽度过滤,2-面积过滤
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 11, ArraySubType = UnmanagedType.I1)]
            public byte[] byRes;       //保留
        }

        //规则触发参数
        [StructLayout(LayoutKind.Sequential)]
        public struct NET_VCA_RULE_TRIGGER_PARAM
        {
            public byte byTriggerMode;   //规则的触发方式，0- 不启用，1- 轨迹点 2- 目标面积 
            public byte byTriggerPoint;  //触发点，触发方式为轨迹点时有效 0- 中,1-上,2-下
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 2, ArraySubType = UnmanagedType.I1)]
            public byte[] byRes1;       //保留
            public float fTriggerArea;    //触发目标面积百分比 [0,100]，触发方式为目标面积时有效
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 4, ArraySubType = UnmanagedType.I1)]
            public byte[] byRes2;       //保留
        }

        //警戒规则结构
        [StructLayout(LayoutKind.Sequential)]
        public struct NET_VCA_ONE_RULE_V41
        {
            public byte byActive; //是否激活规则,0-否,非0-是
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 5, ArraySubType = UnmanagedType.I1)]
            public byte[] byRes1;  //保留，设置为0字段
            public ushort wEventTypeEx; //行为事件类型扩展，用于代替字段dwEventType，参考VCA_RULE_EVENT_TYPE_EX
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = NAME_LEN, ArraySubType = UnmanagedType.I1)]
            public byte[] byRuleName; //规则名称
            public VCA_EVENT_TYPE dwEventType;	//行为事件类型，保留是为了兼容，后续建议使用wEventTypeEx获取事件类型
            public NET_VCA_EVENT_UNION uEventParam; //行为分析事件参数
            public NET_VCA_SIZE_FILTER struSizeFilter;  //尺寸过滤器
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = MAX_DAYS * MAX_TIMESEGMENT_V30, ArraySubType = UnmanagedType.Struct)]
            public NET_DVR_SCHEDTIME[] struAlarmTime;//布防时间
            public NET_DVR_HANDLEEXCEPTION_V30 struHandleType;	//处理方式 
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = MAX_CHANNUM_V30, ArraySubType = UnmanagedType.I1)]
            public byte[] byRelRecordChan; //报警触发的录象通道,为1表示触发该通道
            public ushort wAlarmDelay; //智能报警延时，0-5s,1-10,2-30s,3-60s,4-120s,5-300s,6-600s
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 2, ArraySubType = UnmanagedType.I1)]
            public byte[] byRes2; //保留
            public NET_VCA_FILTER_STRATEGY struFilterStrategy; //尺寸过滤策略
            public NET_VCA_RULE_TRIGGER_PARAM struTriggerParam;   //规则触发参数
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 32, ArraySubType = UnmanagedType.I1)]
            public byte[] byRes;
        }

        //行为分析配置结构体
        [StructLayout(LayoutKind.Sequential)]
        public struct NET_VCA_RULECFG_V41
        {
            public uint dwSize;			//结构长度
            public byte byPicProType;	//报警时图片处理方式 0-不处理 非0-上传
            public byte byUpLastAlarm; //2011-04-06 是否先上传最近一次的报警
            public byte byPicRecordEnable;  /*2012-3-1是否启用图片存储, 0-不启用, 1-启用*/
            public byte byRes1;
            public NET_DVR_JPEGPARA struPictureParam; 		//图片规格结构	
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = MAX_RULE_NUM, ArraySubType = UnmanagedType.Struct)]
            public NET_VCA_ONE_RULE_V41[] struRule;  //规则数组
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 32, ArraySubType = UnmanagedType.I1)]
            public byte[] byRes;
        }

        //简化目标结构体
        [StructLayout(LayoutKind.Sequential)]
        public struct NET_VCA_TARGET_INFO
        {
            public uint dwID;//目标ID ,人员密度过高报警时为0
            public NET_VCA_RECT struRect; //目标边界框 
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 4, ArraySubType = UnmanagedType.I1)]
            public byte[] byRes;//保留
        }

        //简化的规则信息, 包含规则的基本信息
        [StructLayout(LayoutKind.Sequential)]
        public struct NET_VCA_RULE_INFO
        {
            public byte byRuleID;//规则ID,0-7
            public byte byRes;//保留
            public ushort wEventTypeEx;   //行为事件类型扩展，用于代替字段dwEventType，参考VCA_RULE_EVENT_TYPE_EX
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = NAME_LEN, ArraySubType = UnmanagedType.I1)]
            public byte[] byRuleName;//规则名称
            public VCA_EVENT_TYPE dwEventType;//警戒事件类型
            public NET_VCA_EVENT_UNION uEventParam;//事件参数
        }

        //前端设备地址信息，智能分析仪表示的是前端设备的地址信息，其他设备表示本机的地址
        [StructLayout(LayoutKind.Sequential)]
        public struct NET_VCA_DEV_INFO
        {
            public NET_DVR_IPADDR struDevIP;//前端设备地址，
            public ushort wPort;//前端设备端口号， 
            public byte byChannel;//前端设备通道，
            public byte byIvmsChannel;// 保留字节
        }

        //行为分析结果上报结构
        [StructLayout(LayoutKind.Sequential)]
        public struct NET_VCA_RULE_ALARM
        {
            public uint dwSize;//结构长度
            public uint dwRelativeTime;//相对时标
            public uint dwAbsTime;//绝对时标
            public NET_VCA_RULE_INFO struRuleInfo;//事件规则信息
            public NET_VCA_TARGET_INFO struTargetInfo;//报警目标信息
            public NET_VCA_DEV_INFO struDevInfo;//前端设备信息
            public uint dwPicDataLen;//返回图片的长度 为0表示没有图片，大于0表示该结构后面紧跟图片数据*/
            public byte byPicType;		//  0-普通图片 1-对比图片
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 3, ArraySubType = UnmanagedType.I1)]
            public byte[] byRes;		// 保留字节
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 3, ArraySubType = UnmanagedType.U4)]
            public uint[] dwRes;//保留，设置为0
            public IntPtr pImage;//指向图片的指针
        }

        //行为分析规则DSP信息叠加结构
        [StructLayout(LayoutKind.Sequential)]
        public struct NET_VCA_DRAW_MODE
        {
            public uint dwSize;
            public byte byDspAddTarget;//编码是否叠加目标
            public byte byDspAddRule;//编码是否叠加规则
            public byte byDspPicAddTarget;//抓图是否叠加目标
            public byte byDspPicAddRule;//抓图是否叠加规则
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 4, ArraySubType = UnmanagedType.I1)]
            public byte[] byRes;
        }

        //物体类型
        public enum OBJECT_TYPE_ENUM
        {
            ENUM_OBJECT_TYPE_COAT = 1  //上衣
        }

        //物体颜色条件结构体
        [StructLayout(LayoutKind.Sequential)]
        public struct NET_DVR_OBJECT_COLOR_COND
        {
            public uint dwChannel;   //通道号
            public uint dwObjType;   //物体类型，参见OBJECT_TYPE_ENUM
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 64, ArraySubType = UnmanagedType.I1)]
            public byte[] byRes;   //保留
        }

        //图片参数
        [StructLayout(LayoutKind.Sequential)]
        public struct NET_DVR_PIC
        {
            public byte byPicType;        //图片类型，1-jpg
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 3, ArraySubType = UnmanagedType.I1)]
            public byte[] byRes1;        //保留
            public uint dwPicWidth;       //图片宽度
            public uint dwPicHeight;      //图片高度
            public uint dwPicDataLen;     //图片数据实际大小
            public uint dwPicDataBuffLen; //图片数据缓冲区大小
            public IntPtr byPicDataBuff;    //图片数据缓冲区
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 40, ArraySubType = UnmanagedType.I1)]
            public byte[] byRes2;       //保留
        }

        //颜色联合体
        [StructLayout(LayoutKind.Sequential)]
        public struct NET_DVR_OBJECT_COLOR_UNION
        {
            public NET_DVR_COLOR struColor;   //颜色值
            public NET_DVR_PIC struPicture; //图片
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 64, ArraySubType = UnmanagedType.I1)]
            public byte[] byRes;   //保留
        }

        //物体颜色参数结构体
        [StructLayout(LayoutKind.Sequential)]
        public struct NET_DVR_OBJECT_COLOR
        {
            public uint dwSize;       //结构体大小
            public byte byEnable;     //0-不启用，1-启用
            public byte byColorMode;  //取色方式，1-颜色值，2-图片
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 2, ArraySubType = UnmanagedType.I1)]
            public byte[] byRes1;    //保留
            public NET_DVR_OBJECT_COLOR_UNION uObjColor; //物体颜色联合体，取值依赖于取色方式
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 64, ArraySubType = UnmanagedType.I1)]
            public byte[] byRes2;   //保留
        }

        //区域类型
        public enum AREA_TYPE_ENUM
        {
            ENUM_OVERLAP_REGION = 1,//共同区域
            ENUM_BED_LOCATION = 2   //床铺位置
        }

        //辅助区域
        [StructLayout(LayoutKind.Sequential)]
        public struct NET_DVR_AUXAREA
        {
            public uint dwAreaType;   //区域类型，参见AREA_TYPE_ENUM
            public byte byEnable;     //0-不启用，1-启用
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 3, ArraySubType = UnmanagedType.I1)]
            public byte[] byRes1;     //保留
            public NET_VCA_POLYGON struPolygon; //区域
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 16, ArraySubType = UnmanagedType.I1)]
            public byte[] byRes2;   //保留
        }

        //辅助区域列表
        [StructLayout(LayoutKind.Sequential)]
        public struct NET_DVR_AUXAREA_LIST
        {
            public uint dwSize;	// 结构体大小
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = MAX_AUXAREA_NUM, ArraySubType = UnmanagedType.Struct)]
            public NET_DVR_AUXAREA[] struArea; //辅助区域
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 64, ArraySubType = UnmanagedType.I1)]
            public byte[] byRes2;	// 保留
        }

        //通道工作模式
        public enum CHAN_WORKMODE_ENUM
        {
            ENUM_CHAN_WORKMODE_INDEPENDENT = 1,  //独立模式
            ENUM_CHAN_WORKMODE_MASTER = 2,      //主模式
            ENUM_CHAN_WORKMODE_SLAVE = 3        //从模式
        }

        //通道工作模式参数结构体
        [StructLayout(LayoutKind.Sequential)]
        public struct NET_DVR_CHANNEL_WORKMODE
        {
            public uint dwSize;        //结构体大小
            public byte byWorkMode;    //工作模式，参见CHAN_WORKMODE_ENUM
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 63, ArraySubType = UnmanagedType.I1)]
            public byte[] byRes;     //保留
        }

        //设备通道参数结构体
        [StructLayout(LayoutKind.Sequential)]
        public struct NET_DVR_CHANNEL
        {
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = MAX_DOMAIN_NAME, ArraySubType = UnmanagedType.I1)]
            public byte[] byAddress;	//设备IP或域名
            public ushort wDVRPort;			 	    //端口号
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 2, ArraySubType = UnmanagedType.I1)]
            public byte[] byRes1;                   //保留
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = NAME_LEN, ArraySubType = UnmanagedType.I1)]
            public byte[] sUserName;	        //主机用户名
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = PASSWD_LEN, ArraySubType = UnmanagedType.I1)]
            public byte[] sPassword;       //主机密码
            public uint dwChannel;                   //通道号
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 32, ArraySubType = UnmanagedType.I1)]
            public byte[] byRes2;                  //保留
        }

        //从通道信息联合体
        [StructLayout(LayoutKind.Explicit)]
        public struct NET_DVR_SLAVE_CHANNEL_UNION
        {
            [FieldOffset(0)]
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 152, ArraySubType = UnmanagedType.I1)]
            public byte[] byRes;        //联合体大小
        }

        //从通道参数结构体
        [StructLayout(LayoutKind.Sequential)]
        public struct NET_DVR_SLAVE_CHANNEL_PARAM
        {
            public byte byChanType;   //从通道类型，1-本机通道，2-远程通道 
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 3, ArraySubType = UnmanagedType.I1)]
            public byte[] byRes1;    //保留
            public NET_DVR_SLAVE_CHANNEL_UNION uSlaveChannel; //从通道联合体，取值依赖于byChanType
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 64, ArraySubType = UnmanagedType.I1)]
            public byte[] byRes2;   //保留
        }


        //从通道参数配置结构体
        [StructLayout(LayoutKind.Sequential)]
        public struct NET_DVR_SLAVE_CHANNEL_CFG
        {
            public uint dwSize;   //结构体大小
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = MAX_SLAVE_CHANNEL_NUM, ArraySubType = UnmanagedType.Struct)]
            public NET_DVR_SLAVE_CHANNEL_PARAM[] struChanParam;//从通道参数
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 64, ArraySubType = UnmanagedType.I1)]
            public byte[] byRes;  //保留
        }

        //视频质量诊断检测事件
        public enum VQD_EVENT_ENUM
        {
            ENUM_VQD_EVENT_BLUR = 1,  //图像模糊
            ENUM_VQD_EVENT_LUMA = 2,  //亮度异常
            ENUM_VQD_EVENT_CHROMA = 3,  //图像偏色
            ENUM_VQD_EVENT_SNOW = 4,  //雪花干扰
            ENUM_VQD_EVENT_STREAK = 5,  //条纹干扰
            ENUM_VQD_EVENT_FREEZE = 6,  //画面冻结
            ENUM_VQD_EVENT_SIGNAL_LOSS = 7,  //信号丢失
            ENUM_VQD_EVENT_PTZ = 8,  //云台失控
            ENUM_VQD_EVENT_SCNENE_CHANGE = 9,  //场景突变
            ENUM_VQD_EVENT_VIDEO_ABNORMAL = 10, //视频异常
            ENUM_VQD_EVENT_VIDEO_BLOCK = 11, //视频遮挡
        }

        //视频质量诊断事件条件结构体
        [StructLayout(LayoutKind.Sequential)]
        public struct NET_DVR_VQD_EVENT_COND
        {
            public uint dwChannel;   //通道号
            public uint dwEventType; //检测事件类型，参见VQD_EVENT_ENUM
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 64, ArraySubType = UnmanagedType.I1)]
            public byte[] byRes;   //保留
        }

        //视频质量诊断事件参数
        [StructLayout(LayoutKind.Sequential)]
        public struct NET_DVR_VQD_EVENT_PARAM
        {
            public byte byThreshold;    //报警阈值，范围[0,100]
            public byte byTriggerMode;  //1-持续触发，2-单次触发
            public byte byUploadPic;    //0-不上传图片，1-上传图片，无论是否上传图片，事后都可以从设备获取该事件所对应最新的一张报警图片，参见接口NET_DVR_StartDownload
            public byte byRes1;         //保留
            public uint dwTimeInterval; //持续触发报警时间间隔，范围[0,3600] 单位：秒
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 64, ArraySubType = UnmanagedType.I1)]
            public byte[] byRes2;     //保留
        }

        //视频质量诊断事件规则
        [StructLayout(LayoutKind.Sequential)]
        public struct NET_DVR_VQD_EVENT_RULE
        {
            public uint dwSize;       //结构体大小 
            public byte byEnable;     //0-不启用，1-启用
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 3, ArraySubType = UnmanagedType.I1)]
            public byte[] byRes1;    //保留
            public NET_DVR_VQD_EVENT_PARAM struEventParam; //视频质量诊断事件参数
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = MAX_DAYS * MAX_TIMESEGMENT_V30, ArraySubType = UnmanagedType.Struct)]
            public NET_DVR_SCHEDTIME[] struAlarmTime;//检测时间
            public NET_DVR_HANDLEEXCEPTION_V30 struHandleType;  //处理方式
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = MAX_IVMS_IP_CHANNEL, ArraySubType = UnmanagedType.I1)]
            public byte[] byRelRecordChan; //报警触发的录象通道：1表示触发该通道；0表示不触发
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 128, ArraySubType = UnmanagedType.I1)]
            public byte[] byRes2;    //保留
        }

        //基准场景参数
        [StructLayout(LayoutKind.Sequential)]
        public struct NET_DVR_BASELINE_SCENE
        {
            public uint dwSize;     //结构体大小
            public byte byEnable;   //0-不启用，1-启用
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 63, ArraySubType = UnmanagedType.I1)]
            public byte[] byRes;  //保留
        }

        //基准场景操作参数结构体
        [StructLayout(LayoutKind.Sequential)]
        public struct NET_DVR_CONTROL_BASELINE_SCENE_PARAM
        {
            public uint dwSize;     //结构体大小
            public uint dwChannel;  //通道号
            public byte byCommand;  //操作类型，1-此字段保留，暂不使用，2-更新基准场景
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 127, ArraySubType = UnmanagedType.I1)]
            public byte[] byRes;  //保留
        }

        //视频质量诊断报警结构体
        [StructLayout(LayoutKind.Sequential)]
        public struct NET_DVR_VQD_ALARM
        {
            public uint dwSize;                //结构体大小
            public uint dwRelativeTime;        //相对时标
            public uint dwAbsTime;	          //绝对时标
            public NET_VCA_DEV_INFO struDevInfo; //前端设备信息 
            public uint dwEventType;           //事件类型，参考VQD_EVENT_ENUM
            public float fThreshold;            //报警阈值[0.000,1.000]
            public uint dwPicDataLen;          //图片长度，为0表示没有图片
            public IntPtr pImage;               //指向图片的指针 
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 128, ArraySubType = UnmanagedType.I1)]
            public byte[] byRes;            //保留
        }

        //标定点子结构
        [StructLayout(LayoutKind.Sequential)]
        public struct NET_DVR_CB_POINT
        {
            public NET_VCA_POINT struPoint;     //标定点，主摄像机（枪机）
            public NET_DVR_PTZPOS struPtzPos;  //球机输入的PTZ坐标
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 8, ArraySubType = UnmanagedType.I1)]
            public byte[] byRes;
        }

        //标定参数配置结构
        [StructLayout(LayoutKind.Sequential)]
        public struct NET_DVR_TRACK_CALIBRATION_PARAM
        {
            public byte byPointNum;			//有效标定点个数
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 3, ArraySubType = UnmanagedType.I1)]
            public byte[] byRes;
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = MAX_CALIB_PT, ArraySubType = UnmanagedType.Struct)]
            public NET_DVR_CB_POINT[] struCBPoint; //标定点组
        }

        //球机配置结构
        [StructLayout(LayoutKind.Sequential)]
        public struct NET_DVR_TRACK_CFG
        {
            public uint dwSize;				//结构长度	
            public byte byEnable;				//标定使能
            public byte byFollowChan;          // 被控制的从通道
            public byte byDomeCalibrate;			//设置智能跟踪球机标定，1设置 0不设置 
            public byte byRes;					// 保留字节
            public NET_DVR_TRACK_CALIBRATION_PARAM struCalParam; //标定点组
        }

        //跟踪模式
        public enum TRACK_MODE
        {
            MANUAL_CTRL = 0,  //手动跟踪
            ALARM_TRACK    //报警触发跟踪
        }

        //手动控制结构
        [StructLayout(LayoutKind.Sequential)]
        public struct NET_DVR_MANUAL_CTRL_INFO
        {
            public NET_VCA_POINT struCtrlPoint;
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 8, ArraySubType = UnmanagedType.I1)]
            public byte[] byRes;
        }

        //跟踪模式结构
        [StructLayout(LayoutKind.Sequential)]
        public struct NET_DVR_TRACK_MODE
        {
            public uint dwSize;		//结构长度
            public byte byTrackMode;   //跟踪模式
            public byte byRuleConfMode;   //规则配置跟踪模式0-本地配置跟踪，1-远程配置跟踪
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 2, ArraySubType = UnmanagedType.I1)]
            public byte[] byRes;   //保留，置0
            [StructLayout(LayoutKind.Explicit)]
            public struct uModeParam
            {
                [FieldOffset(0)]
                [MarshalAs(UnmanagedType.ByValArray, SizeConst = 4, ArraySubType = UnmanagedType.U4)]
                public uint[] dwULen;
            }
        }

        [StructLayout(LayoutKind.Sequential)]
        public struct NET_DVR_ALARM_JPEG
        {
            public byte byPicProType;	    /*报警时图片处理方式 0-不处理 1-上传*/
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 3, ArraySubType = UnmanagedType.I1)]
            public byte[] byRes;           //保留字节
            public NET_DVR_JPEGPARA struPicParam; 				/*图片规格结构*/
        }

        //分析仪行为分析规则结构
        //警戒规则结构
        [StructLayout(LayoutKind.Sequential)]
        public struct NET_IVMS_ONE_RULE
        {
            public byte byActive;/* 是否激活规则,0-否, 非0-是 */
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 7, ArraySubType = UnmanagedType.I1)]
            public byte[] byRes1;//保留，设置为0字段
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = NAME_LEN, ArraySubType = UnmanagedType.I1)]
            public byte[] byRuleName;//规则名称
            public VCA_EVENT_TYPE dwEventType;//行为分析事件类型
            public NET_VCA_EVENT_UNION uEventParam;//行为分析事件参数
            public NET_VCA_SIZE_FILTER struSizeFilter;//尺寸过滤器
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 68, ArraySubType = UnmanagedType.I1)]
            public byte[] byRes2;/*保留，设置为0*/
        }

        // 分析仪规则结构
        [StructLayout(LayoutKind.Sequential)]
        public struct NET_IVMS_RULECFG
        {
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = MAX_RULE_NUM, ArraySubType = UnmanagedType.Struct)]
            public NET_IVMS_ONE_RULE[] struRule; //规则数组
        }

        // IVMS行为分析配置结构
        [StructLayout(LayoutKind.Sequential)]
        public struct NET_IVMS_BEHAVIORCFG
        {
            public uint dwSize;
            public byte byPicProType;//报警时图片处理方式 0-不处理 非0-上传
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 3, ArraySubType = UnmanagedType.I1)]
            public byte[] byRes;
            public NET_DVR_JPEGPARA struPicParam;//图片规格结构
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = MAX_DAYS * MAX_TIMESEGMENT, ArraySubType = UnmanagedType.Struct)]
            public NET_IVMS_RULECFG[] struRuleCfg;//每个时间段对应规则
        }

        //智能分析仪取流计划子结构
        [StructLayout(LayoutKind.Sequential)]
        public struct NET_IVMS_DEVSCHED
        {
            public NET_DVR_SCHEDTIME struTime;//时间参数
            public NET_DVR_PU_STREAM_CFG struPUStream;//前端取流参数
        }

        //智能分析仪参数配置结构
        [StructLayout(LayoutKind.Sequential)]
        public struct NET_IVMS_STREAMCFG
        {
            public uint dwSize;
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = MAX_DAYS * MAX_TIMESEGMENT, ArraySubType = UnmanagedType.Struct)]
            public NET_IVMS_DEVSCHED[] struDevSched;//按时间段配置前端取流以及规则信息
        }

        //屏蔽区域
        [StructLayout(LayoutKind.Sequential)]
        public struct NET_VCA_MASK_REGION
        {
            public byte byEnable;//是否激活, 0-否，非0-是
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 3, ArraySubType = UnmanagedType.I1)]
            public byte[] byRes;//保留，置0
            public NET_VCA_POLYGON struPolygon;//屏蔽多边形
        }

        //屏蔽区域链表结构
        [StructLayout(LayoutKind.Sequential)]
        public struct NET_VCA_MASK_REGION_LIST
        {
            public uint dwSize;//结构长度
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 4, ArraySubType = UnmanagedType.I1)]
            public byte[] byRes; //保留，置0
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = MAX_MASK_REGION_NUM, ArraySubType = UnmanagedType.Struct)]
            public NET_VCA_MASK_REGION[] struMask;//屏蔽区域数组
        }

        //ATM进入区域参数
        [StructLayout(LayoutKind.Sequential)]
        public struct NET_VCA_ENTER_REGION
        {
            public uint dwSize;
            public byte byEnable;//是否激活，0-否，非0-是
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 3, ArraySubType = UnmanagedType.I1)]
            public byte[] byRes1;
            public NET_VCA_POLYGON struPolygon;//进入区域
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 16, ArraySubType = UnmanagedType.I1)]
            public byte[] byRes2;
        }

        //IVMS屏蔽区域链表
        [StructLayout(LayoutKind.Sequential)]
        public struct NET_IVMS_MASK_REGION_LIST
        {
            public uint dwSize;//结构长度
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = MAX_DAYS * MAX_TIMESEGMENT, ArraySubType = UnmanagedType.Struct)]
            public NET_VCA_MASK_REGION_LIST[] struList;
        }

        //IVMS的ATM进入区域参数
        [StructLayout(LayoutKind.Sequential)]
        public struct NET_IVMS_ENTER_REGION
        {
            public uint dwSize;
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = MAX_DAYS * MAX_TIMESEGMENT, ArraySubType = UnmanagedType.Struct)]
            public NET_VCA_ENTER_REGION[] struEnter;//进入区域
        }

        // ivms 报警图片上传结构
        [StructLayout(LayoutKind.Sequential)]
        public struct NET_IVMS_ALARM_JPEG
        {
            public byte byPicProType;
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 3, ArraySubType = UnmanagedType.I1)]
            public byte[] byRes;
            public NET_DVR_JPEGPARA struPicParam;
        }

        // IVMS 后检索配置
        [StructLayout(LayoutKind.Sequential)]
        public struct NET_IVMS_SEARCHCFG
        {
            public uint dwSize;
            public NET_DVR_MATRIX_DEC_REMOTE_PLAY struRemotePlay;// 远程回放
            public NET_IVMS_ALARM_JPEG struAlarmJpeg;// 报警上传图片配置
            public NET_IVMS_RULECFG struRuleCfg;//IVMS 行为规则配置
        }

        /************************************end******************************************/
        //NAS认证配置
        [StructLayout(LayoutKind.Sequential)]
        public struct NET_DVR_IDENTIFICATION_PARAM
        {
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = NAME_LEN, ArraySubType = UnmanagedType.I1)]
            public byte[] sUserName;		/* 用户名 32*/
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = PASSWD_LEN, ArraySubType = UnmanagedType.I1)]
            public byte[] sPassword;		/* 密码 16*/
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 4, ArraySubType = UnmanagedType.I1)]
            public byte[] byRes1;	//保留
        }

        [StructLayout(LayoutKind.Explicit)]
        public struct NET_DVR_MOUNT_PARAM_UNION
        {
            [FieldOffset(0)]
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 52, ArraySubType = UnmanagedType.I1)]
            public byte[] uLen;   //联合体结构大小
        }

        [StructLayout(LayoutKind.Sequential)]
        public struct NET_DVR_NAS_MOUNT_PARAM
        {
            public byte byMountType; //0～保留,1~NFS, 2~ SMB/CIFS
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 3, ArraySubType = UnmanagedType.I1)]
            public byte[] byRes;
            public NET_DVR_MOUNT_PARAM_UNION uMountParam;
        }

        [StructLayout(LayoutKind.Explicit)]
        public struct NET_DVR_MOUNTMETHOD_PARAM_UNION
        {
            [FieldOffset(0)]
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 56, ArraySubType = UnmanagedType.I1)]
            public byte[] uLen; //联合体结构大小   
        }

        //网络硬盘结构配置
        [StructLayout(LayoutKind.Sequential)]
        public struct NET_DVR_SINGLE_NET_DISK_INFO
        {
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 4, ArraySubType = UnmanagedType.I1)]
            public byte[] byRes1;//保留
            public NET_DVR_IPADDR struNetDiskAddr;//网络硬盘地址
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = PATHNAME_LEN, ArraySubType = UnmanagedType.I1)]
            public byte[] sDirectory;// PATHNAME_LEN = 128
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 68, ArraySubType = UnmanagedType.I1)]
            public byte[] byRes2;//保留
        }

        public const int MAX_NET_DISK = 16;

        [StructLayout(LayoutKind.Sequential)]
        public struct NET_DVR_NET_DISKCFG
        {
            public uint dwSize;
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = MAX_NET_DISK, ArraySubType = UnmanagedType.Struct)]
            public NET_DVR_SINGLE_NET_DISK_INFO[] struNetDiskParam;
        }

        //事件类型
        //主类型
        public enum MAIN_EVENT_TYPE
        {
            EVENT_MOT_DET = 0,//移动侦测
            EVENT_ALARM_IN = 1,//报警输入
            EVENT_VCA_BEHAVIOR = 2,//行为分析
            EVENT_INQUEST = 3,       //审讯事件
            EVENT_VCA_DETECTION = 4, //智能侦测
            EVENT_STREAM_INFO = 100  //流ID信息
        }

        public const int INQUEST_START_INFO = 0x1001;      /*讯问开始信息*/
        public const int INQUEST_STOP_INFO = 0x1002;       /*讯问停止信息*/
        public const int INQUEST_TAG_INFO = 0x1003;       /*重点标记信息*/
        public const int INQUEST_SEGMENT_INFO = 0x1004;      /*审讯片断状态信息*/

        public enum VCA_DETECTION_MINOR_TYPE : uint
        {
            EVENT_VCA_TRAVERSE_PLANE = 1,        //越警侦测
            EVENT_FIELD_DETECTION,		     //区域入侵侦测
            EVENT_AUDIO_INPUT_ALARM,      //音频输入异常
            EVENT_SOUND_INTENSITY_ALARM,   //声强突变侦测
            EVENT_FACE_DETECTION,             //人脸侦测
            EVENT_VIRTUAL_FOCUS_ALARM, /*虚焦侦测*/
            EVENT_SCENE_CHANGE_ALARM, /*场景变更侦测*/
            EVENT_ALL = 0xffffffff				//表示全部
        }

        //行为分析主类型对应的此类型， 0xffff表示全部
        public enum BEHAVIOR_MINOR_TYPE
        {
            EVENT_TRAVERSE_PLANE = 0,// 穿越警戒面,
            EVENT_ENTER_AREA,//目标进入区域,支持区域规则
            EVENT_EXIT_AREA,//目标离开区域,支持区域规则
            EVENT_INTRUSION,// 周界入侵,支持区域规则
            EVENT_LOITER,//徘徊,支持区域规则
            EVENT_LEFT_TAKE,//丢包捡包,支持区域规则
            EVENT_PARKING,//停车,支持区域规则
            EVENT_RUN,//奔跑,支持区域规则
            EVENT_HIGH_DENSITY,//区域内人员密度,支持区域规则
            EVENT_STICK_UP,//贴纸条,支持区域规则
            EVENT_INSTALL_SCANNER,//安装读卡器,支持区域规则
            EVENT_OPERATE_OVER_TIME,        // 操作超时
            EVENT_FACE_DETECT,              // 异常人脸
            EVENT_LEFT,                     // 物品遗留
            EVENT_TAKE,                      // 物品拿取
            EVENT_LEAVE_POSITION,         //离岗事件
            EVENT_TRAIL_INFO = 16,            //尾随
            EVENT_FALL_DOWN_INFO = 19,                 //倒地
            EVENT_OBJECT_PASTE = 20,		// 异物粘贴区域
            EVENT_FACE_CAPTURE_INFO = 21,                //正常人脸
            EVENT_MULTI_FACES_INFO = 22,                  //多张人脸
            EVENT_AUDIO_ABNORMAL_INFO = 23,             //声强突变
            EVENT_DETECT = 24     			   //智能侦测
        }

        // 主类型100，对应的小类型
        public enum STREAM_INFO_MINOR_TYPE
        {
            EVENT_STREAM_ID = 0,				// 流ID
            EVENT_TIMING = 1,					// 定时录像
            EVENT_MOTION_DETECT = 2,			// 移动侦测
            EVENT_ALARM = 3,					// 报警录像
            EVENT_ALARM_OR_MOTION_DETECT = 4,	// 报警或移动侦测
            EVENT_ALARM_AND_MOTION_DETECT = 5,	// 报警和移动侦测
            EVENT_COMMAND_TRIGGER = 6,			// 命令触发
            EVENT_MANNUAL = 7,					// 手动录像
            EVENT_BACKUP_VOLUME = 8				// 存档卷录像
        }

        //邦诺CVR
        public const int MAX_ID_COUNT = 256;
        public const int MAX_STREAM_ID_COUNT = 1024;
        public const int STREAM_ID_LEN = 32;
        public const int PLAN_ID_LEN = 32;

        // 流信息 - 72字节长
        [StructLayout(LayoutKind.Sequential)]
        public struct NET_DVR_STREAM_INFO
        {
            public uint dwSize;
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = STREAM_ID_LEN, ArraySubType = UnmanagedType.I1)]
            public byte[] byID;      //ID数据
            public uint dwChannel;                //关联设备通道，等于0xffffffff时，表示不关联
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 32, ArraySubType = UnmanagedType.I1)]
            public byte[] byRes;                //保留
            public void init()
            {
                byID = new byte[STREAM_ID_LEN];
                byRes = new byte[32];
            }
        }

        //事件搜索条件 200-04-07 9000_1.1
        public const int SEARCH_EVENT_INFO_LEN = 300;

        //报警输入
        [StructLayout(LayoutKind.Sequential)]
        public struct EVENT_ALARM_BYBIT
        {
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = MAX_ALARMIN_V30, ArraySubType = UnmanagedType.I1)]
            public byte[] byAlarmInNo;//报警输入号，byAlarmInNo[0]若置1则表示查找由报警输入1触发的事件
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = SEARCH_EVENT_INFO_LEN - MAX_ALARMIN_V30, ArraySubType = UnmanagedType.I1)]
            public byte[] byRes;

            public void init()
            {
                byAlarmInNo = new byte[MAX_ALARMIN_V30];
                byRes = new byte[SEARCH_EVENT_INFO_LEN - MAX_CHANNUM_V30];
            }
        }

        //报警输入 按值表示
        [StructLayout(LayoutKind.Sequential)]
        public struct EVENT_ALARM_BYVALUE
        {
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 128, ArraySubType = UnmanagedType.U2)]
            public ushort[] wAlarmInNo;//报警输入号，byAlarmInNo[0]若置1则表示查找由报警输入1触发的事件
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 44, ArraySubType = UnmanagedType.I1)]
            public byte[] byRes;

            public void init()
            {
                wAlarmInNo = new ushort[128];
                byRes = new byte[44];
            }
        }

        //移动侦测
        [StructLayout(LayoutKind.Sequential)]
        public struct EVENT_MOTION_BYBIT
        {
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = MAX_CHANNUM_V30, ArraySubType = UnmanagedType.I1)]
            public byte[] byMotDetChanNo;//移动侦测通道，byMotDetChanNo[0]若置1则表示查找由通道1发生移动侦测触发的事件
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = SEARCH_EVENT_INFO_LEN - MAX_CHANNUM_V30, ArraySubType = UnmanagedType.I1)]
            public byte[] byRes;

            public void init()
            {
                byMotDetChanNo = new byte[MAX_CHANNUM_V30];
                byRes = new byte[SEARCH_EVENT_INFO_LEN - MAX_CHANNUM_V30];
            }
        }

        //移动侦测--按值
        [StructLayout(LayoutKind.Sequential)]
        public struct EVENT_MOTION_BYVALUE
        {
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 64, ArraySubType = UnmanagedType.U2)]
            public ushort[] wMotDetChanNo;//报警输入号，byAlarmInNo[0]若置1则表示查找由报警输入1触发的事件
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 172, ArraySubType = UnmanagedType.I1)]
            public byte[] byRes;

            public void init()
            {
                wMotDetChanNo = new ushort[64];
                byRes = new byte[172];
            }
        }

        //行为分析
        [StructLayout(LayoutKind.Sequential)]
        public struct EVENT_VCA_BYBIT
        {
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = MAX_CHANNUM_V30, ArraySubType = UnmanagedType.I1)]
            public byte[] byChanNo;//触发事件的通道
            public byte byRuleID;//规则ID，0xff表示全部
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 235, ArraySubType = UnmanagedType.I1)]
            public byte[] byRes1;//保留

            public void init()
            {
                byChanNo = new byte[MAX_CHANNUM_V30];
                byRes1 = new byte[235];
            }
        }

        //行为分析--按值方式查找 
        [StructLayout(LayoutKind.Sequential)]
        public struct EVENT_VCA_BYVALUE
        {
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 64, ArraySubType = UnmanagedType.U2)]
            public ushort[] wChanNo;	//触发事件的通道			
            public byte byRuleID;      //行为分析类型，规则0xff表示全部，从0开始
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 171, ArraySubType = UnmanagedType.I1)]
            public byte[] byRes;	 /*保留*/
            public void init()
            {
                wChanNo = new ushort[64];
                byRes = new byte[171];
            }
        }

        //审讯事件搜索条件
        [StructLayout(LayoutKind.Sequential)]
        public struct EVENT_INQUEST_PARAM
        {
            public byte byRoomIndex;    //审讯室编号,从1开始
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 299, ArraySubType = UnmanagedType.I1)]
            public byte[] byRes;     //保留
            public void init()
            {
                byRes = new byte[299];
            }
        }

        //智能侦测查找条件
        [StructLayout(LayoutKind.Sequential)]
        public struct EVENT_VCADETECT_BYBIT
        {
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 256, ArraySubType = UnmanagedType.I1)]
            public byte[] byChan;//触发智能侦测的通道号，按数组下标表示，byChan[0]若置1则表示查找由通道1发生移动侦测触发的事件 
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 44, ArraySubType = UnmanagedType.I1)]
            public byte[] byRes;     //保留
            public void init()
            {
                byChan = new byte[256];
                byRes = new byte[44];
            }
        }

        //智能侦测查找条件 ，通道号按值表示
        [StructLayout(LayoutKind.Sequential)]
        public struct EVENT_VCADETECT_BYVALUE
        {
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = MAX_CHANNUM_V30 - 1, ArraySubType = UnmanagedType.U4)]
            public uint[] dwChanNo;// 触发通道号,按值表示，0xffffffff无效，且后续数据也表示无效值
            public byte byAll;//0-表示不是全部，1-表示全部。
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 47, ArraySubType = UnmanagedType.I1)]
            public byte[] byRes;
            public void init()
            {
                dwChanNo = new uint[MAX_CHANNUM_V30 - 1];
                byRes = new byte[47];
            }
        }

        [StructLayout(LayoutKind.Sequential)]
        public struct EVENT_STREAMID_PARAM
        {
            public NET_DVR_STREAM_INFO struIDInfo; // 流id信息，72字节长
            public uint dwCmdType;  // 外部触发类型，NVR接入云存储使用
            public byte byBackupVolumeNum; //存档卷号，CVR使用
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 223, ArraySubType = UnmanagedType.I1)]
            public byte[] byRes;
            public void init()
            {
                struIDInfo.init();
                byRes = new byte[223];
            }
        }

        [StructLayout(LayoutKind.Explicit)]
        public struct SEARCH_EVENT_UNION
        {
            [FieldOffset(0)]
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = SEARCH_EVENT_INFO_LEN, ArraySubType = UnmanagedType.I1)]
            public byte[] byLen;
            /* [FieldOffsetAttribute(0)]
             public EVENT_ALARM_BYBIT struAlarmParam;
             [FieldOffsetAttribute(0)]
             public EVENT_ALARM_BYVALUE struAlarmParamByValue;
             [FieldOffsetAttribute(0)]
             public EVENT_MOTION_BYBIT struMotionParam;
             [FieldOffsetAttribute(0)]
             public EVENT_MOTION_BYVALUE struMotionParamByValue;
             [FieldOffsetAttribute(0)]
             public EVENT_VCA_BYBIT struVcaParam;
             [FieldOffsetAttribute(0)]
             public EVENT_VCA_BYVALUE struVcaParamByValue;
             [FieldOffsetAttribute(0)]
             public EVENT_INQUEST_PARAM struInquestParam;
             [FieldOffsetAttribute(0)]
             public EVENT_VCADETECT_BYBIT struVCADetectByBit;
             [FieldOffsetAttribute(0)]
             public EVENT_VCADETECT_BYVALUE struVCADetectByValue;
             [FieldOffsetAttribute(0)]
             public EVENT_STREAMID_PARAM struStreamIDParam;
             * */
        }

        [StructLayout(LayoutKind.Sequential)]
        public struct NET_DVR_SEARCH_EVENT_PARAM
        {
            public ushort wMajorType;//0-移动侦测，1-报警输入, 2-智能事件
            public ushort wMinorType;//搜索次类型- 根据主类型变化，0xffff表示全部
            public NET_DVR_TIME struStartTime;//搜索的开始时间，停止时间: 同时为(0, 0) 表示从最早的时间开始，到最后，最前面的4000个事件
            public NET_DVR_TIME struEndTime;
            public byte byLockType;		// 0xff-全部，0-未锁，1-锁定
            public byte byValue;			//0-按位表示，1-按值表示
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 130, ArraySubType = UnmanagedType.I1)]
            public byte[] byRes;//保留
            public SEARCH_EVENT_UNION uSeniorPara;
        }

        //报警输入结果
        [StructLayout(LayoutKind.Sequential)]
        public struct EVENT_ALARM_RET
        {
            public uint dwAlarmInNo;//报警输入号
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = SEARCH_EVENT_INFO_LEN, ArraySubType = UnmanagedType.I1)]
            public byte[] byRes;

            public void init()
            {
                byRes = new byte[SEARCH_EVENT_INFO_LEN];
            }
        }
        //移动侦测结果
        [StructLayout(LayoutKind.Sequential)]
        public struct EVENT_MOTION_RET
        {
            public uint dwMotDetNo;//移动侦测通道
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = SEARCH_EVENT_INFO_LEN, ArraySubType = UnmanagedType.I1)]
            public byte[] byRes;

            public void init()
            {
                byRes = new byte[SEARCH_EVENT_INFO_LEN];
            }
        }
        //行为分析结果 
        [StructLayout(LayoutKind.Sequential)]
        public struct EVENT_VCA_RET
        {
            public uint dwChanNo;//触发事件的通道号
            public byte byRuleID;//规则ID
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 3, ArraySubType = UnmanagedType.I1)]
            public byte[] byRes1;//保留
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = NAME_LEN, ArraySubType = UnmanagedType.I1)]
            public byte[] byRuleName;//规则名称
            public NET_VCA_EVENT_UNION uEvent;//行为事件参数，wMinorType = VCA_EVENT_TYPE决定事件类型

            public void init()
            {
                byRes1 = new byte[3];
                byRuleName = new byte[NAME_LEN];
            }
        }

        //审讯事件查询结果 
        [StructLayout(LayoutKind.Sequential)]
        public struct EVENT_INQUEST_RET
        {
            public byte byRoomIndex;  //审讯室编号,从1开始
            public byte byDriveIndex; //刻录机编号,从1开始
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 6, ArraySubType = UnmanagedType.I1)]
            public byte[] byRes1;  //保留            
            public uint dwSegmentNo;     //本片断在本次审讯中的序号,从1开始 
            public ushort wSegmetSize;     //本片断的大小, 单位M 
            public ushort wSegmentState;   //本片断状态 0 刻录正常，1 刻录异常，2 不刻录审讯
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 288, ArraySubType = UnmanagedType.I1)]
            public byte[] byRes2;     //保留

            public void init()
            {
                byRes1 = new byte[6];
                byRes2 = new byte[288];
            }
        }

        //流id录像查询结果
        [StructLayout(LayoutKind.Sequential)]
        public struct EVENT_STREAMID_RET
        {
            public uint dwRecordType;	//录像类型 0-定时录像 1-移动侦测 2-报警录像 3-报警|移动侦测 4-报警&移动侦测 5-命令触发 6-手动录像 7-震动报警 8-环境触发 9-智能报警 10-回传录像
            public uint dwRecordLength;	//录像大小
            public byte byLockFlag;    // 锁定标志 0：没锁定 1：锁定
            public byte byDrawFrameType;    // 0：非抽帧录像 1：抽帧录像
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 2, ArraySubType = UnmanagedType.I1)]
            public byte[] byRes1;
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = NAME_LEN, ArraySubType = UnmanagedType.I1)]
            public byte[] byFileName; 	//文件名
            public uint dwFileIndex;    		// 存档卷上的文件索引
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 256, ArraySubType = UnmanagedType.I1)]
            public byte[] byRes;

            public void init()
            {
                byRes1 = new byte[2];
                byFileName = new byte[NAME_LEN];
                byRes = new byte[256];
            }
        }

        //SDK_V35  2009-10-26

        // 标定配置类型
        public enum tagCALIBRATE_TYPE
        {
            PDC_CALIBRATE = 0x01,  // PDC 标定
            BEHAVIOR_OUT_CALIBRATE = 0x02, //行为室外场景标定  
            BEHAVIOR_IN_CALIBRATE = 0x03,    // 行为室内场景标定 
            ITS_CALBIRETE = 0x04      //  交通事件标定
        }

        public const int MAX_RECT_NUM = 6;
        [StructLayout(LayoutKind.Sequential)]
        public struct NET_DVR_RECT_LIST
        {
            public byte byRectNum;    // 矩形框的个数
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 11, ArraySubType = UnmanagedType.I1)]
            public byte[] byRes1;  //保留字节 
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = MAX_RECT_NUM, ArraySubType = UnmanagedType.Struct)]
            public NET_VCA_RECT[] struVcaRect; // 最大为6个Rect 
        }

        // PDC 标定参数
        [StructLayout(LayoutKind.Sequential)]
        public struct NET_DVR_PDC_CALIBRATION
        {
            public NET_DVR_RECT_LIST struRectList;       // 标定矩形框列表
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 120, ArraySubType = UnmanagedType.I1)]
            public byte[] byRes;       // 保留字节 
        }

        // 标定线的属性类别，用来表示当前标定线在实际表示的是高度线还是长度线。
        public enum LINE_MODE
        {
            HEIGHT_LINE,        //高度样本线
            LENGTH_LINE        //长度样本线
        }
        /*在设置标定信息的时候，如果相应位设置了使能，并设置相关参数，若没有设置使能，则标定后可以获取相关的摄像机参数*/
        [StructLayout(LayoutKind.Sequential)]
        public struct NET_DVR_CAMERA_PARAM
        {
            public byte byEnableHeight;     // 是否使能设置摄像机高度线
            public byte byEnableAngle;      // 是否使能设置摄像机俯仰角度
            public byte byEnableHorizon;    // 是否使能设置摄像机地平线
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 5, ArraySubType = UnmanagedType.I1)]
            public byte[] byRes;   // 保留字节 
            public float fCameraHeight;    // 摄像机高度
            public float fCameraAngle;     // 摄像机俯仰角度
            public float fHorizon;         // 场景中的地平线
        }

        /*当fValue表示目标高度的时候，struStartPoint和struEndPoint分别表示目标头部点和脚部点。
         * 当fValue表示线段长度的时候，struStartPoint和struEndPoint分别表示线段起始点和终点，
         * mode表示当前样本线表示高度线还是长度线。*/
        [StructLayout(LayoutKind.Sequential)]
        public struct NET_DVR_LINE_SEGMENT
        {
            public byte byLineMode;     // 参照 LINE_MODE
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 3, ArraySubType = UnmanagedType.I1)]
            public byte[] byRes;       // 保留字节 
            public NET_VCA_POINT struStartPoint;
            public NET_VCA_POINT struEndPoint;
            public float fValue;
        }

        public const int MAX_LINE_SEG_NUM = 8;

        /*标定样本线目前需要4-8调样本线，以获取摄像机相关参数*/
        [StructLayout(LayoutKind.Sequential)]
        public struct NET_DVR_BEHAVIOR_OUT_CALIBRATION
        {
            public uint dwLineSegNum;          // 样本线个数
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = MAX_LINE_SEG_NUM, ArraySubType = UnmanagedType.Struct)]
            public NET_DVR_LINE_SEGMENT[] struLineSegment;    // 样本线最大个数
            public NET_DVR_CAMERA_PARAM struCameraParam;    // 摄像机参数
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 20, ArraySubType = UnmanagedType.I1)]
            public byte[] byRes;
        }

        /*该结构体表示IAS智能库标定样本，其中包括一个目标框和一条对应的高度标定线；
         * 目标框为站立的人体外接矩形框；高度线样本标识从人头顶点到脚点的标定线；用归一化坐标表示；*/
        [StructLayout(LayoutKind.Sequential)]
        public struct NET_DVR_IN_CAL_SAMPLE
        {
            public NET_VCA_RECT struVcaRect;   // 目标框
            public NET_DVR_LINE_SEGMENT struLineSegment;    // 高度标定线
        }

        public const int MAX_SAMPLE_NUM = 5;

        [StructLayout(LayoutKind.Sequential)]
        public struct NET_DVR_BEHAVIOR_IN_CALIBRATION
        {
            public uint dwCalSampleNum;      //  标定样本个数
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = MAX_SAMPLE_NUM, ArraySubType = UnmanagedType.Struct)]
            public NET_DVR_IN_CAL_SAMPLE[] struCalSample; // 标定样本最大个数
            public NET_DVR_CAMERA_PARAM struCameraParam;    // 摄像机参数
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 16, ArraySubType = UnmanagedType.I1)]
            public byte[] byRes;
        }

        public const int CALIB_PT_NUM = 4;
        [StructLayout(LayoutKind.Sequential)]
        public struct NET_DVR_ITS_CALIBRATION
        {
            public uint dwPointNum; //标定点数
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = CALIB_PT_NUM, ArraySubType = UnmanagedType.Struct)]
            public NET_VCA_POINT[] struPoint; //图像坐标
            public float fWidth;
            public float fHeight;
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 100, ArraySubType = UnmanagedType.I1)]
            public byte[] byRes1;        // 保留字节
        }

        // 标定参数联合体
        // 后续的相关标定参数可以放在该结构里面
        [StructLayout(LayoutKind.Explicit)]
        public struct NET_DVR_CALIBRATION_PRARM_UNION
        {
            [FieldOffset(0)]
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 240, ArraySubType = UnmanagedType.I1)]
            public byte[] byRes;  //联合体结构大小
            /*[FieldOffsetAttribute(0)]
            public NET_DVR_PDC_CALIBRATION struPDCCalibration;  //PDC 标定参数
            [FieldOffsetAttribute(0)]
            public NET_DVR_BEHAVIOR_OUT_CALIBRATION  struBehaviorOutCalibration;  //  行为室外场景标定  主要应用于IVS等
            [FieldOffsetAttribute(0)]
            public NET_DVR_BEHAVIOR_IN_CALIBRATION  struBehaviorInCalibration;     // 行为室内场景标定，主要应用IAS等 
            [FieldOffsetAttribute(0)]
            public NET_DVR_ITS_CALIBRATION struITSCalibration;
             * */
        }

        // 标定配置结构
        [StructLayout(LayoutKind.Sequential)]
        public struct NET_DVR_CALIBRATION_CFG
        {
            public uint dwSize;               //标定结构大小
            public byte byEnable;           // 是否启用标定
            public byte byCalibrationType;    // 标定类型 根据不同类型在联合体类选择不同的标定 参考CALIBRATE_TYPE
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 2, ArraySubType = UnmanagedType.I1)]
            public byte[] byRes1;
            public NET_DVR_CALIBRATION_PRARM_UNION uCalibrateParam;  // 标定参数联合体
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 12, ArraySubType = UnmanagedType.I1)]
            public byte[] byRes2;
        }

        //流量统计方向结构体
        [StructLayout(LayoutKind.Sequential)]
        public struct NET_DVR_PDC_ENTER_DIRECTION
        {
            public NET_VCA_POINT struStartPoint; //流量统计方向起始点
            public NET_VCA_POINT struEndPoint;    // 流量统计方向结束点 
        }

        [StructLayout(LayoutKind.Sequential)]
        public struct NET_DVR_PDC_RULE_CFG
        {
            public uint dwSize;              //结构大小
            public byte byEnable;             // 是否激活规则;
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 23, ArraySubType = UnmanagedType.I1)]
            public byte[] byRes1;       // 保留字节 
            public NET_VCA_POLYGON struPolygon;            // 多边形
            public NET_DVR_PDC_ENTER_DIRECTION struEnterDirection;    // 流量进入方向
        }

        [StructLayout(LayoutKind.Sequential)]
        public struct NET_DVR_PDC_RULE_CFG_V41
        {
            public uint dwSize;              //结构大小
            public byte byEnable;             // 是否激活规则;
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 23, ArraySubType = UnmanagedType.I1)]
            public byte[] byRes1;       // 保留字节 
            public NET_VCA_POLYGON struPolygon;            // 多边形
            public NET_DVR_PDC_ENTER_DIRECTION struEnterDirection;    // 流量进入方向
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = MAX_DAYS * MAX_TIMESEGMENT_V30, ArraySubType = UnmanagedType.Struct)]
            public NET_DVR_SCHEDTIME struAlarmTime;//布防时间
            public NET_DVR_TIME_EX struDayStartTime; //白天开始时间，时分秒有效
            public NET_DVR_TIME_EX struNightStartTime; //夜晚开始时间，时分秒有效
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 100, ArraySubType = UnmanagedType.I1)]
            public byte[] byRes;       // 保留字节
        }

        //试用版信息结构体
        [StructLayout(LayoutKind.Sequential)]
        public struct NET_DVR_TRIAL_VERSION_CFG
        {
            public uint dwSize;
            public ushort wReserveTime; //试用期剩余时间，0xffff表示无效，单位：天
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 62, ArraySubType = UnmanagedType.I1)]
            public byte[] byRes;
        }

        [StructLayout(LayoutKind.Sequential)]
        public struct NET_DVR_SYN_CHANNEL_NAME_PARAM
        {
            public uint dwSize;
            public uint dwChannel; //通道号
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 64, ArraySubType = UnmanagedType.I1)]
            public byte[] byRes;
        }

        [StructLayout(LayoutKind.Sequential)]
        public struct NET_DVR_RESET_COUNTER_CFG
        {
            public uint dwSize;
            public byte byEnable; //是否启用，0-不启用，1-启用
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 3, ArraySubType = UnmanagedType.I1)]
            public byte[] byRes1;
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = MAX_DAYS, ArraySubType = UnmanagedType.Struct)]
            public NET_DVR_TIME_EX[] struTime;//数据清零时间，时分秒有效
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 64, ArraySubType = UnmanagedType.I1)]
            public byte[] byRes;
        }

        [StructLayout(LayoutKind.Sequential)]
        public struct NET_DVR_VCA_CTRLINFO_COND
        {
            public uint dwSize;
            public NET_DVR_STREAM_INFO struStreamInfo;
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 64, ArraySubType = UnmanagedType.I1)]
            public byte[] byRes;
        }

        [StructLayout(LayoutKind.Sequential)]
        public struct NET_DVR_VCA_CTRLINFO_CFG
        {
            public uint dwSize;
            public byte byVCAEnable;     //是否开启智能
            public byte byVCAType;       //智能能力类型，VCA_CHAN_ABILITY_TYPE 
            public byte byStreamWithVCA; //码流中是否带智能信息
            public byte byMode;			//模式，ATM 能力时参照VCA_CHAN_MODE_TYPE ,TFS 能力时参照 TFS_CHAN_MODE_TYPE，行为分析完整版时参照BEHAVIOR_SCENE_MODE_TYPE
            public byte byControlType;   //控制类型，按位表示，0-否，1-是
                                         //byControlType &1 是否启用抓拍功能
                                         //byControlType &2 是否启用联动前端设备
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 83, ArraySubType = UnmanagedType.I1)]
            public byte[] byRes; 		//保留，设置为0
        }

        /*设置人流量统计参数  复用行为内部关键字参数
         * HUMAN_GENERATE_RATE
         * 目标生成速度参数，控制PDC库生成目标的速度。速度越快，目标越容易生成。
         * 当输入视频光照条件较差，对比度较低时，或者设置的规则区域较小时，应加快目标生成速度， 避免目标的漏检；
         * 当输入视频中对比度较高时，或者规则区域较大时，应该降低目标生成速度，以减少误检。
         * 目标生成速度参数共有5级，1级速度最慢，5级最快，默认参数为3。
         *
         * DETECT_SENSITIVE
         * 目标检测灵敏度控制参数，控制PDC库中一个矩形区域被检测为目标的灵敏度。
         * 灵敏度越高，矩形区域越容易被检测为目标，灵敏度越低则越难检测为目标。
         * 当输入视频光照条件较差，对比度较低时，应提高检测灵敏度， 避免目标的漏检；
         * 当输入视频中对比度较高时，应该降低检测灵敏度，以减少误检。
         * 对应参数共有5级，级别1灵敏度最低，5级最高，默认级别为3。
         * 
         * TRAJECTORY_LEN
         * 轨迹生成长度控制参数，表示生成轨迹时要求目标的最大位移像素。
         * 对应参数共有5级，级别1，生成长度最长，轨迹生成最慢，5级生成长度最短，轨迹生成最快，默认级别为3。
         * 
         * TRAJECT_CNT_LEN
         * 轨迹计数长度控制参数，表示轨迹计数时要求目标的最大位移像素。
         * 对应参数共有5级，级别1，计数要求长度最长，轨迹计数最慢，5级计数要求长度最短，轨迹计数最快，默认级别为3。
         * 
         * PREPROCESS
         * 图像预处理控制参数，0 - 不处理；1 - 处理。默认为0；
         * 
         * CAMERA_ANGLE
         * 摄像机角度输入参数， 0 - 倾斜； 1 - 垂直。默认为0；
         */

        public enum PDC_PARAM_KEY
        {
            HUMAN_GENERATE_RATE = 50,  // 目标生成速度 从50开始
            DETECT_SENSITIVE = 51,  // 检测灵敏度
        }

        [StructLayout(LayoutKind.Sequential)]
        public struct NET_DVR_PDC_TARGET_INFO
        {
            public uint dwTargetID;                 // 目标id 
            public NET_VCA_RECT struTargetRect;    // 目标框
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 8, ArraySubType = UnmanagedType.I1)]
            public byte[] byRes1;      // 保留字节
        }

        [StructLayout(LayoutKind.Sequential)]
        public struct NET_DVR_PDC_TARGET_IN_FRAME
        {
            public byte byTargetNum;                   //目标个数
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 3, ArraySubType = UnmanagedType.I1)]
            public byte[] yRes1;
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = MAX_TARGET_NUM, ArraySubType = UnmanagedType.Struct)]
            public NET_DVR_PDC_TARGET_INFO[] struTargetInfo;   //目标信息数组
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 8, ArraySubType = UnmanagedType.I1)]
            public byte[] byRes2;                  // 保留字节
        }

        //单帧统计结果时使用
        [StructLayout(LayoutKind.Sequential)]
        public struct UNION_STATFRAME
        {
            public uint dwRelativeTime;     // 相对时标
            public uint dwAbsTime;          // 绝对时标
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 92, ArraySubType = UnmanagedType.I1)]
            public byte[] byRes;
        }

        [StructLayout(LayoutKind.Sequential)]
        public struct UNION_STATTIME
        {
            public NET_DVR_TIME tmStart; // 统计起始时间 
            public NET_DVR_TIME tmEnd;  //  统计结束时间 
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 92, ArraySubType = UnmanagedType.I1)]
            public byte[] byRes;
        }

        [StructLayout(LayoutKind.Sequential)]
        public struct UNION_PDCPARAM
        {
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 140, ArraySubType = UnmanagedType.I1)]
            public byte[] byRes;
        }

        [StructLayout(LayoutKind.Sequential)]
        public struct NET_DVR_PDC_ALRAM_INFO
        {
            public uint dwSize;           // PDC人流量报警上传结构体大小
            public byte byMode;            // 0 单帧统计结果 1最小时间段统计结果  
            public byte byChannel;           // 报警上传通道号
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 2, ArraySubType = UnmanagedType.I1)]
            public byte[] byRes1;         // 保留字节   
            public NET_VCA_DEV_INFO struDevInfo;		        //前端设备信息
            public UNION_PDCPARAM uStatModeParam;
            public uint dwLeaveNum;        // 离开人数
            public uint dwEnterNum;        // 进入人数
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 40, ArraySubType = UnmanagedType.I1)]
            public byte[] byRes2;           // 保留字节
        }

        //人流量信息查询
        [StructLayout(LayoutKind.Sequential)]
        public struct NET_DVR_PDC_QUERY
        {
            public NET_DVR_TIME tmStart;
            public NET_DVR_TIME tmEnd;
            public uint dwLeaveNum;
            public uint dwEnterNum;
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 256, ArraySubType = UnmanagedType.I1)]
            public byte[] byRes1;
        }

        [StructLayout(LayoutKind.Sequential)]
        public struct NET_DVR_PTZ_POSITION
        {
            // 是否启用场景，在设置场景行为规则的时候该字段无效，在设置球机本地配置场景位置信息时作为使能位
            public byte byEnable;
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 3, ArraySubType = UnmanagedType.I1)]
            public byte[] byRes1;  //保留
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = NAME_LEN, ArraySubType = UnmanagedType.I1)]
            public byte[] byPtzPositionName; //场景位置名称
            public NET_DVR_PTZPOS struPtzPos; //ptz 坐标
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 40, ArraySubType = UnmanagedType.I1)]
            public byte[] byRes2;
        }

        [StructLayout(LayoutKind.Sequential)]
        public struct NET_DVR_POSITION_RULE_CFG
        {
            public uint dwSize;             // 结构大小 
            public NET_DVR_PTZ_POSITION struPtzPosition;    // 场景位置信息
            public NET_VCA_RULECFG struVcaRuleCfg;     //行为规则配置
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 80, ArraySubType = UnmanagedType.I1)]
            public byte[] byRes2;         // 保留字节
        }

        [StructLayout(LayoutKind.Sequential)]
        public struct NET_DVR_POSITION_RULE_CFG_V41
        {
            public uint dwSize;             // 结构大小 
            public NET_DVR_PTZ_POSITION struPtzPosition;    // 场景位置信息
            public NET_VCA_RULECFG_V41 struVcaRuleCfg;     //行为规则配置
            public byte byTrackEnable; //是否启用跟踪
            public byte byRes1;
            public ushort wTrackDuration; //跟踪持续时间，单位s
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 76, ArraySubType = UnmanagedType.I1)]
            public byte[] byRes2;         // 保留字节
        }

        [StructLayout(LayoutKind.Sequential)]
        public struct NET_DVR_LIMIT_ANGLE
        {
            public byte byEnable;	// 是否启用场景限位功能
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 3, ArraySubType = UnmanagedType.I1)]
            public byte[] byRes1;
            public NET_DVR_PTZPOS struUp;     // 上限位
            public NET_DVR_PTZPOS struDown;   // 下限位
            public NET_DVR_PTZPOS struLeft;   // 左限位
            public NET_DVR_PTZPOS struRight;  // 右限位
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 20, ArraySubType = UnmanagedType.I1)]
            public byte[] byRes2;
        }

        [StructLayout(LayoutKind.Sequential)]
        public struct NET_DVR_POSITION_INDEX
        {
            public byte byIndex;    // 场景索引
            public byte byRes1;
            public ushort wDwell;	// 停留时间 
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 4, ArraySubType = UnmanagedType.I1)]
            public byte[] byRes2;   // 保留字节
        }

        public const int MAX_POSITION_NUM = 10;
        [StructLayout(LayoutKind.Sequential)]
        public struct NET_DVR_POSITION_TRACK_CFG
        {
            public uint dwSize;
            public byte byNum; // 场景个数
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 3, ArraySubType = UnmanagedType.I1)]
            public byte[] byRes1;
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = MAX_POSITION_NUM, ArraySubType = UnmanagedType.Struct)]
            public NET_DVR_POSITION_INDEX[] struPositionIndex;
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 8, ArraySubType = UnmanagedType.I1)]
            public byte[] byRes2;
        }

        //巡航路径场景信息
        [StructLayout(LayoutKind.Sequential)]
        public struct NET_DVR_PATROL_SCENE_INFO
        {
            public ushort wDwell;         // 停留时间 30-300
            public byte byPositionID;   // 场景号1-10，默认0表示该巡航点不添加场景
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 5, ArraySubType = UnmanagedType.I1)]
            public byte[] byRes;
        }

        //场景巡航跟踪配置信息
        [StructLayout(LayoutKind.Sequential)]
        public struct NET_DVR_PATROL_TRACKCFG
        {
            public uint dwSize;  // 结构大小
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 10, ArraySubType = UnmanagedType.Struct)]
            public NET_DVR_PATROL_SCENE_INFO[] struPatrolSceneInfo;    // 巡航路径
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 16, ArraySubType = UnmanagedType.I1)]
            public byte[] byRes;                              // 保留字节
        }

        //球机本地规则菜单配置结构体
        [StructLayout(LayoutKind.Sequential)]
        public struct NET_DVR_TRACK_PARAMCFG
        {
            public uint dwSize;             // 结构大小
            public ushort wAlarmDelayTime;    // 报警延时时间，目前球机只支持全局入侵 范围1-120秒
            public ushort wTrackHoldTime;     // 报警跟踪持续时间  范围0-300秒
            public byte byTrackMode;        //  参照 IPDOME_TRACK_MODE
            public byte byPreDirection;	// 跟踪方向预判 0-不启用 1-启用
            public byte byTrackSmooth;	    // 跟踪连续  0-不启用 1-启用
            public byte byZoomAdjust;	// 倍率系数调整 参见下表
            public byte byMaxTrackZoom;	//最大跟踪倍率系数,0-表示默认倍率系数,等级6-标定值*1.0(默认),1-5为缩小标定值，值越小，缩小的比例越大,7-15为放大，值越大，放大的比例越大
            public byte byStopTrackWhenFindFace;  //人脸检测到后是否停止跟踪 0-否 1-是
            public byte byStopTrackThreshold;   //跟踪终止评分阈值
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 9, ArraySubType = UnmanagedType.I1)]
            public byte[] byRes;          //  保留字节                
        }

        //球机机芯参数
        [StructLayout(LayoutKind.Sequential)]
        public struct NET_DVR_DOME_MOVEMENT_PARAM
        {
            public ushort wMaxZoom;   // 球机最大倍率系数
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 42, ArraySubType = UnmanagedType.I1)]
            public byte[] byRes;  // 保留字节
        }

        /********************************智能交通事件 begin****************************************/
        public const int MAX_REGION_NUM = 8;  // 区域列表最大数目
        public const int MAX_TPS_RULE = 8;   // 最大参数规则数目
        public const int MAX_AID_RULE = 8;   // 最大事件规则数目
        public const int MAX_LANE_NUM = 8;   // 最大车道数目

        //交通事件类型
        public enum TRAFFIC_AID_TYPE
        {
            CONGESTION = 0x01,    //拥堵
            PARKING = 0x02,    //停车  
            INVERSE = 0x04,    //逆行
            PEDESTRIAN = 0x08,    //行人                      
            DEBRIS = 0x10,    //遗留物 抛洒物碎片 
            SMOKE = 0x20,    //烟雾  
            OVERLINE = 0x40,     //压线
            VEHICLE_CONTROL_LIST = 0x80,  //黑名单数据
            SPEED = 0x100  //超速
        }

        public enum TRAFFIC_SCENE_MODE
        {
            FREEWAY = 0,    //  高速户外场景
            TUNNEL,         //  高速隧道场景
            BRIDGE          //  高速桥梁场景
        }

        public enum ITS_ABILITY_TYPE
        {
            ITS_CONGESTION_ABILITY = 0x01,      //拥堵
            ITS_PARKING_ABILITY = 0x02,      //停车  
            ITS_INVERSE_ABILITY = 0x04,      //逆行
            ITS_PEDESTRIAN_ABILITY = 0x08,      //行人                      
            ITS_DEBRIS_ABILITY = 0x10,      //遗留物 抛洒物碎片
            ITS_SMOKE_ABILITY = 0x20,      //烟雾-隧道
            ITS_OVERLINE_ABILITY = 0x40,      //压线
            ITS_VEHICLE_CONTROL_LIST_ABILITY = 0x80,        //黑名单数据
            ITS_SPEED_ABILITY = 0x100,	    //超速	
            ITS_LANE_VOLUME_ABILITY = 0x010000,  //车道流量
            ITS_LANE_VELOCITY_ABILITY = 0x020000,  //车道平均速度
            ITS_TIME_HEADWAY_ABILITY = 0x040000,  //车头时距
            ITS_SPACE_HEADWAY_ABILITY = 0x080000,  //车头间距
            ITS_TIME_OCCUPANCY_RATIO_ABILITY = 0x100000,  //车道占有率，（时间上)
            ITS_SPACE_OCCUPANCY_RATIO_ABILITY = 0x200000,  //车道占有率，百分比计算（空间上)
            ITS_LANE_QUEUE_ABILITY = 0x400000,  //排队长度
            ITS_VEHICLE_TYPE_ABILITY = 0x800000,  //车辆类型
            ITS_TRAFFIC_STATE_ABILITY = 0x1000000  //交通状态
        }

        // 交通统计参数
        public enum ITS_TPS_TYPE
        {
            LANE_VOLUME = 0x01,    //车道流量
            LANE_VELOCITY = 0x02,    //车道速度
            TIME_HEADWAY = 0x04,    //车头时距
            SPACE_HEADWAY = 0x08,    //车头间距
            TIME_OCCUPANCY_RATIO = 0x10,    //车道占有率 (时间上)
            SPACE_OCCUPANCY_RATIO = 0x20,    //车道占有率，百分比计算(空间上)
            QUEUE = 0x40,    //排队长度
            VEHICLE_TYPE = 0x80,    //车辆类型
            TRAFFIC_STATE = 0x100    //交通状态
        }

        [StructLayout(LayoutKind.Sequential)]
        public struct NET_DVR_REGION_LIST
        {
            public uint dwSize;	// 结构体大小
            public byte byNum;      // 区域个数
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 3, ArraySubType = UnmanagedType.I1)]
            public byte[] byRes1;    // 保留字节
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = MAX_REGION_NUM, ArraySubType = UnmanagedType.Struct)]
            public NET_VCA_POLYGON[] struPolygon; // 区域
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 20, ArraySubType = UnmanagedType.I1)]
            public byte[] byRes2;	// 保留字节
        }

        //方向结构体
        [StructLayout(LayoutKind.Sequential)]
        public struct NET_DVR_DIRECTION
        {
            public NET_VCA_POINT struStartPoint;   // 方向起始点
            public NET_VCA_POINT struEndPoint;     // 方向结束点 
        }

        //单个车道
        [StructLayout(LayoutKind.Sequential)]
        public struct NET_DVR_ONE_LANE
        {
            public byte byEnable;  //车道是否启用
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 11, ArraySubType = UnmanagedType.I1)]
            public byte[] byRes1;	   // 保留字节
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = NAME_LEN, ArraySubType = UnmanagedType.I1)]
            public byte[] byLaneName;       // 车道规则名称
            public NET_DVR_DIRECTION struFlowDirection;// 车道内车流方向
            public NET_VCA_POLYGON struPolygon;		// 车道区域
        }

        //车道配置
        [StructLayout(LayoutKind.Sequential)]
        public struct NET_DVR_LANE_CFG
        {
            public uint dwSize;	// 结构体大小
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = MAX_LANE_NUM, ArraySubType = UnmanagedType.Struct)]
            public NET_DVR_ONE_LANE[] struLane;	// 车道参数 数组下标作为车道ID
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 40, ArraySubType = UnmanagedType.I1)]
            public byte[] byRes1;	 // 保留字节
        }

        //交通事件参数
        [StructLayout(LayoutKind.Sequential)]
        public struct NET_DVR_AID_PARAM
        {
            public ushort wParkingDuration;       // 违停检测灵敏度  10-120s
            public ushort wPedestrianDuration;    // 行人持续时间    1-120s
            public ushort wDebrisDuration;        // 抛洒物持续时间  10-120s
            public ushort wCongestionLength;      // 拥堵长度阈值    5-200（米）
            public ushort wCongestionDuration;    // 拥堵持续参数    10-120s
            public ushort wInverseDuration;       // 逆行持续时间    1-10s
            public ushort wInverseDistance;       // 逆行距离阈值 单位m 范围[2-100] 默认 10米
            public ushort wInverseAngleTolerance; // 允许角度偏差 90-180度,车流与逆行允许的夹角
            public ushort wIllegalParkingTime;    // 违停时间[4,60]，单位：分钟 ,TFS(交通违章取证) 城市模式下
            public ushort wIllegalParkingPicNum;  // 违停图片数量[1,6], TFS(交通违章取证) 城市模式下
            public byte byMergePic;             // 图片拼接,TFS 城市模式下 0- 不拼接 1- 拼接
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 23, ArraySubType = UnmanagedType.I1)]
            public byte[] byRes1;             // 保留字节
        }

        //单条交通事件规则结构体
        [StructLayout(LayoutKind.Sequential)]
        public struct NET_DVR_ONE_AID_RULE
        {
            public byte byEnable;                   // 是否启用事件规则
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 3, ArraySubType = UnmanagedType.I1)]
            public byte[] byRes1;                  // 保留字节
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = NAME_LEN, ArraySubType = UnmanagedType.I1)]
            public byte[] byRuleName;       // 规则名称 
            public uint dwEventType;                // 交通事件检测类型 TRAFFIC_AID_TYPE
            public NET_VCA_SIZE_FILTER struSizeFilter; // 尺寸过滤器
            public NET_VCA_POLYGON struPolygon;    // 规则区域
            public NET_DVR_AID_PARAM struAIDParam;   //  事件参数
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = MAX_DAYS * MAX_TIMESEGMENT_2, ArraySubType = UnmanagedType.Struct)]
            public NET_DVR_SCHEDTIME[] struAlarmTime;//布防时间
            public NET_DVR_HANDLEEXCEPTION_V30 struHandleType;	  //处理方式
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = MAX_CHANNUM_V30, ArraySubType = UnmanagedType.I1)]
            public byte[] byRelRecordChan;        //报警触发的录象通道,为1表示触发该通道
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 20, ArraySubType = UnmanagedType.I1)]
            public byte[] byRes2;
        }

        //交通事件规则
        [StructLayout(LayoutKind.Sequential)]
        public struct NET_DVR_AID_RULECFG
        {
            public uint dwSize;                    // 结构体大小 
            public byte byPicProType;              //报警时图片处理方式 0-不处理 非0-上传
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 3, ArraySubType = UnmanagedType.I1)]
            public byte[] byRes1;                 // 保留字节
            public NET_DVR_JPEGPARA struPictureParam; //图片规格结构
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = MAX_AID_RULE, ArraySubType = UnmanagedType.Struct)]
            public NET_DVR_ONE_AID_RULE[] struOneAIDRule;
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 32, ArraySubType = UnmanagedType.I1)]
            public byte[] byRes2;
        }

        //单条交通事件规则结构体(扩展)
        [StructLayout(LayoutKind.Sequential)]
        public struct NET_DVR_ONE_AID_RULE_V41
        {
            public byte byEnable;                 // 是否启用事件规则
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 3, ArraySubType = UnmanagedType.I1)]
            public byte[] byRes1;                // 保留字节
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = NAME_LEN, ArraySubType = UnmanagedType.I1)]
            public byte[] byRuleName;     // 规则名称 
            public uint dwEventType;              // 交通事件检测类型 TRAFFIC_AID_TYPE
            public NET_VCA_SIZE_FILTER struSizeFilter;           // 尺寸过滤器
            public NET_VCA_POLYGON struPolygon;              // 规则区域
            public NET_DVR_AID_PARAM struAIDParam;             // 事件参数
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = MAX_DAYS * MAX_TIMESEGMENT_V30, ArraySubType = UnmanagedType.Struct)]
            public NET_DVR_SCHEDTIME[] struAlarmTime;// 布防时间段
            public NET_DVR_HANDLEEXCEPTION_V30 struHandleType;	          //处理方式 
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = MAX_IVMS_IP_CHANNEL, ArraySubType = UnmanagedType.I1)]
            public byte[] byRelRecordChan; //报警触发的录象通道：1表示触发该通道；0表示不触发
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 60, ArraySubType = UnmanagedType.I1)]
            public byte[] byRes2;               //保留
        }

        //交通事件规则(扩展)
        [StructLayout(LayoutKind.Sequential)]
        public struct NET_DVR_AID_RULECFG_V41
        {
            public uint dwSize;                     // 结构体大小 
            public byte byPicProType;               // 报警时图片处理方式 0-不处理 非0-上传
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 3, ArraySubType = UnmanagedType.I1)]
            public byte[] byRes1;                  // 保留字节
            public NET_DVR_JPEGPARA struPictureParam; 	// 图片规格结构
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = MAX_AID_RULE, ArraySubType = UnmanagedType.Struct)]
            public NET_DVR_ONE_AID_RULE_V41[] struAIDRule;  //规则数组
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 128, ArraySubType = UnmanagedType.I1)]
            public byte[] byRes2;                //保留
        }

        //交通统计参数结构体
        [StructLayout(LayoutKind.Sequential)]
        public struct NET_DVR_ONE_TPS_RULE
        {
            public byte byEnable;                   //是否使能车道交通规则参数
            public byte byLaneID;		            //车道ID
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 2, ArraySubType = UnmanagedType.I1)]
            public byte[] byRes1;
            public uint dwCalcType;                 //统计参数类型ITS_TPS_TYPE
            public NET_VCA_SIZE_FILTER struSizeFilter; //尺寸过滤器 
            public NET_VCA_POLYGON struVitrualLoop;    //虚拟线圈
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = MAX_DAYS * MAX_TIMESEGMENT_2, ArraySubType = UnmanagedType.Struct)]
            public NET_DVR_SCHEDTIME[] struAlarmTime;//布防时间
            public NET_DVR_HANDLEEXCEPTION_V30 struHandleType;	//处理方式,一般为处理是否上传中心，其他功能不需要
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 20, ArraySubType = UnmanagedType.I1)]
            public byte[] byRes2;                         //保留字节
        }

        //交通参数统计规则配置结构体
        [StructLayout(LayoutKind.Sequential)]
        public struct NET_DVR_TPS_RULECFG
        {
            public uint dwSize;              // 结构大小
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = MAX_TPS_RULE, ArraySubType = UnmanagedType.Struct)]
            public NET_DVR_ONE_TPS_RULE[] struOneTpsRule; // 下标对应交通参数ID
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 40, ArraySubType = UnmanagedType.I1)]
            public byte[] byRes2;         // 保留字节
        }

        //交通统计参数结构体(扩展)
        [StructLayout(LayoutKind.Sequential)]
        public struct NET_DVR_ONE_TPS_RULE_V41
        {
            public byte byEnable;                     //是否使能车道交通规则参数
            public byte byLaneID;		              //车道ID
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 2, ArraySubType = UnmanagedType.I1)]
            public byte[] byRes1;                    //保留
            public uint dwCalcType;                   // 统计参数类型ITS_TPS_TYPE
            public NET_VCA_SIZE_FILTER struSizeFilter;  //尺寸过滤器 
            public NET_VCA_POLYGON struVitrualLoop; //虚拟线圈
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = MAX_DAYS * MAX_TIMESEGMENT_V30, ArraySubType = UnmanagedType.Struct)]
            public NET_DVR_SCHEDTIME[] struAlarmTime;//布防时间
            public NET_DVR_HANDLEEXCEPTION_V30 struHandleType;	   //处理方式 
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 60, ArraySubType = UnmanagedType.I1)]
            public byte[] byRes2;                   // 保留字节
        }

        //交通参数统计规则配置结构体(扩展)
        [StructLayout(LayoutKind.Sequential)]
        public struct NET_DVR_TPS_RULECFG_V41
        {
            public uint dwSize;         // 结构大小
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = MAX_TPS_RULE, ArraySubType = UnmanagedType.Struct)]
            public NET_DVR_ONE_TPS_RULE_V41[] struOneTpsRule; // 下标对应交通参数ID
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 128, ArraySubType = UnmanagedType.I1)]
            public byte[] byRes;     // 保留
        }

        //交通事件信息
        [StructLayout(LayoutKind.Sequential)]
        public struct NET_DVR_AID_INFO
        {
            public byte byRuleID;   // 规则序号，为规则配置结构下标，0-16
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 3, ArraySubType = UnmanagedType.I1)]
            public byte[] byRes1;
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = NAME_LEN, ArraySubType = UnmanagedType.I1)]
            public byte[] byRuleName; //  规则名称
            public uint dwAIDType;  // 报警事件类型
            public NET_DVR_DIRECTION struDirect; // 报警指向区域  
            public byte bySpeedLimit; //限速值，单位km/h[0,255]
            public byte byCurrentSpeed; //当前速度值，单位km/h[0,255]
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 38, ArraySubType = UnmanagedType.I1)]
            public byte[] byRes2;  // 保留字节 
        }

        //交通事件报警 
        [StructLayout(LayoutKind.Sequential)]
        public struct NET_DVR_AID_ALARM
        {
            public uint dwSize;         // 结构长度
            public uint dwRelativeTime;	// 相对时标
            public uint dwAbsTime;		// 绝对时标
            public NET_VCA_DEV_INFO struDevInfo;	// 前端设备信息
            public NET_DVR_AID_INFO struAIDInfo;    // 交通事件信息
            public uint dwPicDataLen;   // 返回图片的长度 为0表示没有图片，大于0表示该结构后面紧跟图片数据
            public IntPtr pImage;        // 指向图片的指针
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 40, ArraySubType = UnmanagedType.I1)]
            public byte[] byRes;      // 保留字节  
        }

        //车道队列结构体 
        [StructLayout(LayoutKind.Sequential)]
        public struct NET_DVR_LANE_QUEUE
        {
            public NET_VCA_POINT struHead;       //队列头
            public NET_VCA_POINT struTail;       //队列尾
            public uint dwLength;      //实际队列长度 单位为米 [0-500]
        }

        public enum TRAFFIC_DATA_VARY_TYPE
        {
            NO_VARY,         //无变化 
            VEHICLE_ENTER,   //车辆进入虚拟线圈
            VEHICLE_LEAVE,   //车辆离开虚拟线圈 
            UEUE_VARY        //队列变化             
        }

        [StructLayout(LayoutKind.Sequential)]
        public struct NET_DVR_LANE_PARAM
        {
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = NAME_LEN, ArraySubType = UnmanagedType.I1)]
            public byte[] byRuleName;  //车道规则名称 
            public byte byRuleID;              //规则序号，为规则配置结构下标，0-7 
            public byte byVaryType;            //车道交通参数变化类型 参照 TRAFFIC_DATA_VARY_TYPE
            public byte byLaneType;			   //车道上行或下行
            public byte byRes1;
            public uint dwLaneVolume;         //车道流量 ，统计有多少车子通过
            public uint dwLaneVelocity;        //车道速度，公里计算
            public uint dwTimeHeadway;         //车头时距，以秒计算
            public uint dwSpaceHeadway;        //车头间距，以米来计算
            public float fSpaceOccupyRation;    //车道占有率，百分比计算（空间上)
            public NET_DVR_LANE_QUEUE struLaneQueue;    //车道队列长度
            public NET_VCA_POINT struRuleLocation; //线圈规则的中心点位置
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 32, ArraySubType = UnmanagedType.I1)]
            public byte[] byRes2;
        }

        [StructLayout(LayoutKind.Sequential)]
        public struct NET_DVR_TPS_INFO
        {
            public uint dwLanNum;   // 交通参数的车道数目
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = MAX_TPS_RULE, ArraySubType = UnmanagedType.Struct)]
            public NET_DVR_LANE_PARAM[] struLaneParam;
        }

        [StructLayout(LayoutKind.Sequential)]
        public struct NET_DVR_TPS_ALARM
        {
            public uint dwSize;          //结构体大小
            public uint dwRelativeTime;  //相对时标
            public uint dwAbsTime;       //绝对时标
            public NET_VCA_DEV_INFO struDevInfo;     //前端设备信息
            public NET_DVR_TPS_INFO struTPSInfo;     //交通事件信息
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 32, ArraySubType = UnmanagedType.I1)]
            public byte[] byRes1;      //保留字节
        }

        public enum TRAFFIC_DATA_VARY_TYPE_EX_ENUM
        {
            ENUM_TRAFFIC_VARY_NO = 0x00,   //无变化
            ENUM_TRAFFIC_VARY_VEHICLE_ENTER = 0x01,   //车辆进入虚拟线圈
            ENUM_TRAFFIC_VARY_VEHICLE_LEAVE = 0x02,   //车辆离开虚拟线圈
            ENUM_TRAFFIC_VARY_QUEUE = 0x04,   //队列变化
            ENUM_TRAFFIC_VARY_STATISTIC = 0x08,   //统计数据变化（每分钟变化一次包括平均速度，车道空间/时间占有率，交通状态）        
        }

        [StructLayout(LayoutKind.Sequential)]
        public struct NET_DVR_LANE_PARAM_V41
        {
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = NAME_LEN, ArraySubType = UnmanagedType.I1)]
            public byte[] byRuleName; // 车道规则名称
            public byte byRuleID;             // 规则序号，为规则配置结构下标，0-7 
            public byte byLaneType;		     // 车道上行或下行
            public byte byTrafficState;       // 车道的交通状态，0-无效，1-畅通，2-拥挤，3-堵塞
            public byte byRes1;               // 保留
            public uint dwVaryType;           // 车道交通参数变化类型参照  TRAFFIC_DATA_VARY_TYPE_EX_ENUM，按位区分
            public uint dwTpsType;            // 数据变化类型标志，表示当前上传的统计参数中，哪些数据有效，参照ITS_TPS_TYPE,按位区分
            public uint dwLaneVolume;	     // 车道流量，统计有多少车子通过
            public uint dwLaneVelocity;       // 车道速度，公里计算
            public uint dwTimeHeadway;       // 车头时距，以秒计算
            public uint dwSpaceHeadway;       // 车头间距，以米来计算
            public float fSpaceOccupyRation;   // 车道占有率，百分比计算（空间上)
            public float fTimeOccupyRation;    // 时间占有率，百分比计算
            public uint dwLightVehicle;       // 小型车数量
            public uint dwMidVehicle;         // 中型车数量
            public uint dwHeavyVehicle;       // 重型车数量
            public NET_DVR_LANE_QUEUE struLaneQueue;        // 车道队列长度
            public NET_VCA_POINT struRuleLocation;     // 规则位置虚拟线圈的中心
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 64, ArraySubType = UnmanagedType.I1)]
            public byte[] byRes2;           // 保留
        }

        [StructLayout(LayoutKind.Sequential)]
        public struct NET_DVR_TPS_INFO_V41
        {
            public uint dwLanNum;          // 交通参数的车道数目
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = MAX_TPS_RULE, ArraySubType = UnmanagedType.Struct)]
            public NET_DVR_LANE_PARAM_V41[] struLaneParam;
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 32, ArraySubType = UnmanagedType.I1)]
            public byte[] byRes;         //保留
        }

        //人脸规则配置 
        [StructLayout(LayoutKind.Sequential)]
        public struct NET_DVR_FACEDETECT_RULECFG
        {
            public uint dwSize;              // 结构体大小
            public byte byEnable;            // 是否启用
            public byte byEventType;			//警戒事件类型， 0-异常人脸; 1-正常人脸;2-异常人脸&正常人脸;
            public byte byUpLastAlarm;       //2011-04-06 是否先上传最近一次的报警
            public byte byUpFacePic; //是否上传人脸子图，0-否，1-是	
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = NAME_LEN, ArraySubType = UnmanagedType.I1)]
            public byte[] byRuleName;
            public NET_VCA_POLYGON struVcaPolygon;    // 人脸检测规则区域
            public byte byPicProType;	//报警时图片处理方式 0-不处理 非0-上传
            public byte bySensitivity;   // 规则灵敏度
            public ushort wDuration;      // 触发人脸报警时间阈值
            public NET_DVR_JPEGPARA struPictureParam; 		//图片规格结构
            public NET_VCA_SIZE_FILTER struSizeFilter;         //尺寸过滤器
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = MAX_DAYS * MAX_TIMESEGMENT_2, ArraySubType = UnmanagedType.Struct)]
            public NET_DVR_SCHEDTIME[] struAlarmTime;//布防时间
            public NET_DVR_HANDLEEXCEPTION_V30 struHandleType;	  //处理方式 
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = MAX_CHANNUM_V30, ArraySubType = UnmanagedType.I1)]
            public byte[] byRelRecordChan;			//报警触发的录象通道,为1表示触发该通道
            public byte byPicRecordEnable;  /*2012-3-1是否启用图片存储, 0-不启用, 1-启用*/
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 39, ArraySubType = UnmanagedType.I1)]
            public byte[] byRes2;         //保留字节
        }

        [StructLayout(LayoutKind.Sequential)]
        public struct NET_DVR_FACE_PIPCFG
        {
            public byte byEnable; //是否开启画中画
            public byte byBackChannel; //背景通道号（面板通道）
            public byte byPosition; //叠加位置，0-左上,1-左下,2-右上,3-右下
            public byte byPIPDiv; //分屏系数(人脸画面:面板画面)，0-1:4,1-1:9,2-1:16
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 4, ArraySubType = UnmanagedType.I1)]
            public byte[] byRes;
        }

        [StructLayout(LayoutKind.Sequential)]
        public struct NET_DVR_FACEDETECT_RULECFG_V41
        {
            public uint dwSize;              // 结构体大小
            public byte byEnable;            // 是否启用
            public byte byEventType;			//警戒事件类型， 0-异常人脸; 1-正常人脸;2-异常人脸&正常人脸;
            public byte byUpLastAlarm;       //2011-04-06 是否先上传最近一次的报警
            public byte byUpFacePic; //是否上传人脸子图，0-否，1-是	
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = NAME_LEN, ArraySubType = UnmanagedType.I1)]
            public byte[] byRuleName;
            public NET_VCA_POLYGON struVcaPolygon;    // 人脸检测规则区域
            public byte byPicProType;	//报警时图片处理方式 0-不处理 非0-上传
            public byte bySensitivity;   // 规则灵敏度
            public ushort wDuration;      // 触发人脸报警时间阈值
            public NET_DVR_JPEGPARA struPictureParam; 		//图片规格结构
            public NET_VCA_SIZE_FILTER struSizeFilter;         //尺寸过滤器
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = MAX_DAYS * MAX_TIMESEGMENT_V30, ArraySubType = UnmanagedType.Struct)]
            public NET_DVR_SCHEDTIME[] struAlarmTime;//布防时间
            public NET_DVR_HANDLEEXCEPTION_V30 struHandleType;	  //处理方式 
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = MAX_CHANNUM_V30, ArraySubType = UnmanagedType.I1)]
            public byte[] byRelRecordChan;			//报警触发的录象通道,为1表示触发该通道
            public byte byPicRecordEnable;  /*2012-10-22是否启用图片存储, 0-不启用, 1-启用*/
            public byte byRes1;
            public ushort wAlarmDelay; //2012-10-22智能报警延时，0-5s,1-10,2-30s,3-60s,4-120s,5-300s,6-600s
            public NET_DVR_FACE_PIPCFG struFacePIP; //2012-11-7画中画参数
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 28, ArraySubType = UnmanagedType.I1)]
            public byte[] byRes;         //保留字节
        }

        [StructLayout(LayoutKind.Sequential)]
        public struct NET_DVR_FACEDETECT_ALARM
        {
            public uint dwSize;     		// 结构大小
            public uint dwRelativeTime; // 相对时标
            public uint dwAbsTime;			// 绝对时标
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = NAME_LEN, ArraySubType = UnmanagedType.I1)]
            public byte[] byRuleName;   // 规则名称
            public NET_VCA_TARGET_INFO struTargetInfo;	//报警目标信息
            public NET_VCA_DEV_INFO struDevInfo;		//前端设备信息
            public uint dwPicDataLen;						//返回图片的长度 为0表示没有图片，大于0表示该结构后面紧跟图片数据*/
            public byte byAlarmPicType;			// 0-异常人脸报警图片 1- 人脸图片,2-多张人脸 
            public byte byPanelChan;        /*2012-3-1人脸通道关联的面板通道*/
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 2, ArraySubType = UnmanagedType.I1)]
            public byte[] byRes1;
            public uint dwFacePicDataLen;			//人脸图片的长度 为0表示没有图片，大于0表示该结构后面紧跟图片数据*/
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 48, ArraySubType = UnmanagedType.I1)]
            public byte[] byRes;              // 保留字节
            public IntPtr pFaceImage; //指向人脸图指针
            public IntPtr pImage;   						//指向图片的指针
        }

        [StructLayout(LayoutKind.Sequential)]
        public struct NET_DVR_EVENT_PARAM_UNION
        {
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 3, ArraySubType = UnmanagedType.U4)]
            public uint[] uLen;        	// 联合体大小为12字节
            public uint dwHumanIn;  	//有无人接近 0 - 无人 1- 有人  
            public float fCrowdDensity;  // 人员聚集值
        }

        //目前只有有人无人事件和人员聚集事件实时报警上传
        [StructLayout(LayoutKind.Sequential)]
        public struct NET_DVR_EVENT_INFO
        {
            public byte byRuleID;				// Rule ID
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 3, ArraySubType = UnmanagedType.I1)]
            public byte[] byRes;				// 保留字节
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = NAME_LEN, ArraySubType = UnmanagedType.I1)]
            public byte[] byRuleName;	// 规则名称
            public uint dwEventType;    		// 参照VCA_EVENT_TYPE
            public NET_DVR_EVENT_PARAM_UNION uEventParam;  // 
        }

        [StructLayout(LayoutKind.Sequential)]
        public struct NET_DVR_EVENT_INFO_LIST
        {
            public byte byNum;		// 事件实时信息个数
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 3, ArraySubType = UnmanagedType.I1)]
            public byte[] byRes1;			// 保留字节
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = MAX_RULE_NUM, ArraySubType = UnmanagedType.Struct)]
            public NET_DVR_EVENT_INFO[] struEventInfo;	// 事际实时信息
        }

        [StructLayout(LayoutKind.Sequential)]
        public struct NET_DVR_RULE_INFO_ALARM
        {
            public uint dwSize;				// 结构体大小
            public uint dwRelativeTime; 	// 相对时标
            public uint dwAbsTime;			// 绝对时标
            public NET_VCA_DEV_INFO struDevInfo;		// 前端设备信息
            public NET_DVR_EVENT_INFO_LIST struEventInfoList;	//事件信息列表
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 40, ArraySubType = UnmanagedType.I1)]
            public byte[] byRes2;			// 保留字节
        }

        //单条场景时间段
        [StructLayout(LayoutKind.Sequential)]
        public struct NET_DVR_ONE_SCENE_TIME
        {
            public byte byActive;                     //0 -无效,1–有效
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 3, ArraySubType = UnmanagedType.I1)]
            public byte[] byRes1;                    //保留
            public uint dwSceneID;                    //场景ID
            public NET_DVR_SCHEDTIME struEffectiveTime;   //场景起效时间
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 16, ArraySubType = UnmanagedType.I1)]
            public byte[] byRes2;                   //保留
        }

        //场景起效时间段配置
        [StructLayout(LayoutKind.Sequential)]
        public struct NET_DVR_SCENE_TIME_CFG
        {
            public uint dwSize;                                               //结构大小
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = MAX_SCENE_TIMESEG_NUM, ArraySubType = UnmanagedType.Struct)]
            public NET_DVR_ONE_SCENE_TIME[] struSceneTime; //场景时间段数组
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 64, ArraySubType = UnmanagedType.I1)]
            public byte[] byRes;                                            //保留
        }

        //单条场景配置信息
        [StructLayout(LayoutKind.Sequential)]
        public struct NET_DVR_ONE_SCENE_CFG
        {
            public byte byEnable;                 //是否启用该场景,0-不启用 1- 启用
            public byte byDirection;              //监测方向 1-上行，2-下行，3-双向，4-由东向西，5-由南向北，6-由西向东，7-由北向南，8-其它
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 2, ArraySubType = UnmanagedType.I1)]
            public byte[] byRes1;                //保留
            public uint dwSceneID;                //场景ID(只读), 0 - 表示该场景无效
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = NAME_LEN, ArraySubType = UnmanagedType.I1)]
            public byte[] bySceneName;    //场景名称
            public NET_DVR_PTZPOS struPtzPos;       //ptz 坐标
            public uint dwTrackTime;              //球机跟踪时间[5,300] 秒，TFS(交通取证)模式下有效
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 24, ArraySubType = UnmanagedType.I1)]
            public byte[] byRes2;               //保留
        }

        //场景配置结构体
        [StructLayout(LayoutKind.Sequential)]
        public struct NET_DVR_SCENE_CFG
        {
            public uint dwSize;                                          //结构大小
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = MAX_ITS_SCENE_NUM, ArraySubType = UnmanagedType.Struct)]
            public NET_DVR_ONE_SCENE_CFG[] struSceneCfg; //场景配置信息
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 40, ArraySubType = UnmanagedType.I1)]
            public byte[] byRes;                                      //保留
        }

        //多场景操作条件
        [StructLayout(LayoutKind.Sequential)]
        public struct NET_DVR_SCENE_COND
        {
            public uint dwSize;       //结构大小
            public Int32 lChannel;     //通道号
            public uint dwSceneID;    //场景ID, 0-表示该场景无效
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 48, ArraySubType = UnmanagedType.I1)]
            public byte[] byRes;    //保留
        }

        //取证方式
        [StructLayout(LayoutKind.Sequential)]
        public struct NET_DVR_FORENSICS_MODE
        {
            public uint dwSize;      //结构大小
            public byte byMode;      // 0-手动取证 ,1-自动取证
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 23, ArraySubType = UnmanagedType.I1)]
            public byte[] byRes;   //保留
        }

        //报警场景信息
        [StructLayout(LayoutKind.Sequential)]
        public struct NET_DVR_SCENE_INFO
        {
            public uint dwSceneID;              //场景ID, 0 - 表示该场景无效
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = NAME_LEN, ArraySubType = UnmanagedType.I1)]
            public byte[] bySceneName;  //场景名称
            public byte byDirection;            //监测方向 1-上行，2-下行，3-双向，4-由东向西，5-由南向北，6-由西向东，7-由北向南，8-其它
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 3, ArraySubType = UnmanagedType.I1)]
            public byte[] byRes1;              //保留
            public NET_DVR_PTZPOS struPtzPos;             //Ptz 坐标
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 64, ArraySubType = UnmanagedType.I1)]
            public byte[] byRes2;            //保留
        }

        //交通事件报警(扩展)
        [StructLayout(LayoutKind.Sequential)]
        public struct NET_DVR_AID_ALARM_V41
        {
            public uint dwSize;              //结构长度
            public uint dwRelativeTime;	    //相对时标
            public uint dwAbsTime;			//绝对时标
            public NET_VCA_DEV_INFO struDevInfo;		    //前端设备信息
            public NET_DVR_AID_INFO struAIDInfo;         //交通事件信息
            public NET_DVR_SCENE_INFO struSceneInfo;       //场景信息
            public uint dwPicDataLen;        //图片长度
            public IntPtr pImage; 			//指向图片的指针
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 128, ArraySubType = UnmanagedType.I1)]
            public byte[] byRes;          //保留
        }

        //交通统计信息报警(扩展)
        [StructLayout(LayoutKind.Sequential)]
        public struct NET_DVR_TPS_ALARM_V41
        {
            public uint dwSize;          // 结构体大小
            public uint dwRelativeTime;  // 相对时标
            public uint dwAbsTime;       // 绝对时标
            public NET_VCA_DEV_INFO struDevInfo;     // 前端设备信息
            public NET_DVR_TPS_INFO_V41 struTPSInfo;     // 交通参数统计信息 
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 128, ArraySubType = UnmanagedType.I1)]
            public byte[] byRes;      // 保留
        }

        [StructLayout(LayoutKind.Sequential)]
        public struct NET_DVR_VCA_VERSION
        {
            public ushort wMajorVersion;		// 主版本号
            public ushort wMinorVersion;		// 次版本号
            public ushort wRevisionNumber;	// 修正号
            public ushort wBuildNumber;		// 编译号
            public ushort wVersionYear;		//	版本日期-年
            public byte byVersionMonth;		//	版本日期-月
            public byte byVersionDay;		//	版本日期-日
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 8, ArraySubType = UnmanagedType.I1)]
            public byte[] byRes;			// 保留字节
        }
        /*******************************智能交通事件 end*****************************************/

        /******************************车牌识别 begin******************************************/
        [StructLayout(LayoutKind.Sequential)]
        public struct NET_DVR_PLATE_PARAM
        {
            public byte byPlateRecoMode;    //车牌识别的模式,默认为1(视频触发模式)
            public byte byBelive;	/*整牌置信度阈值, 只用于视频识别方式, 根据背景复杂程度设置, 误触发率高就设高, 漏车率高就设低, 
                                     * 建议在80-90范围内*/
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 22, ArraySubType = UnmanagedType.I1)]
            public byte[] byRes;          //保留字节
        }

        [StructLayout(LayoutKind.Sequential)]
        public struct NET_DVR_PLATECFG
        {
            public uint dwSize;
            public uint dwEnable;				           /* 是否启用视频车牌识别 0－否 1－是 */
            public byte byPicProType;	//报警时图片处理方式 0-不处理 非0-上传
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 3, ArraySubType = UnmanagedType.I1)]
            public byte[] byRes1;  // 保留字节
            public NET_DVR_JPEGPARA struPictureParam; 		//图片规格结构
            public NET_DVR_PLATE_PARAM struPlateParam;   // 车牌识别参数配置
            public NET_DVR_HANDLEEXCEPTION struHandleType;	   /* 处理方式 */
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = MAX_DAYS * MAX_TIMESEGMENT, ArraySubType = UnmanagedType.Struct)]
            public NET_DVR_SCHEDTIME[] struAlarmTime;//布防时间
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = MAX_CHANNUM, ArraySubType = UnmanagedType.I1)]
            public byte[] byRelRecordChan;        //报警触发的录象通道,为1表示触发该通道
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 20, ArraySubType = UnmanagedType.I1)]
            public byte[] byRes;   // 保留字节
        }

        //车牌识别结果子结构
        [StructLayout(LayoutKind.Sequential)]
        public struct NET_DVR_PLATE_INFO
        {
            public byte byPlateType; //车牌类型
            public byte byColor; //车牌颜色
            public byte byBright; //车牌亮度
            public byte byLicenseLen;	//车牌字符个数
            public byte byEntireBelieve;//整个车牌的置信度，0-100
            public byte byRegion;                       // 区域索引值 0-保留，1-欧洲(EU)，2-俄语区域(ER)，3-欧洲&俄罗斯(EU&CIS) ,4-中东(ME),0xff-所有
            public byte byCountry;                      // 国家索引值，参照枚举COUNTRY_INDEX（不支持"COUNTRY_ALL = 0xff, //ALL  全部"）
            public byte byArea;                         //区域（省份），各国家内部区域枚举，阿联酋参照 EMI_AREA
            public byte byPlateSize;                    //车牌尺寸，0~未知，1~long, 2~short(中东车牌使用)
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 15, ArraySubType = UnmanagedType.I1)]
            public byte[] byRes;                       //保留
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = MAX_CATEGORY_LEN, ArraySubType = UnmanagedType.I1)]
            public byte[] sPlateCategory;//车牌附加信息, 即中东车牌中车牌号码旁边的小字信息，(目前只有中东地区支持)
            public uint dwXmlLen;                        //XML报警信息长度
            public IntPtr pXmlBuf;                      // XML报警信息指针,报警类型为 COMM_ITS_PLATE_RESUL时有效，其XML对应到EventNotificationAlert XML Block
            public NET_VCA_RECT struPlateRect;	//车牌位置
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = MAX_LICENSE_LEN, ArraySubType = UnmanagedType.I1)]
            public byte[] sLicense;	//车牌号码 
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = MAX_LICENSE_LEN, ArraySubType = UnmanagedType.I1)]
            public byte[] byBelieve; //各个识别字符的置信度，如检测到车牌"浙A12345", 置信度为,20,30,40,50,60,70，则表示"浙"字正确的可能性只有%，"A"字的正确的可能性是%
        }

        [StructLayout(LayoutKind.Sequential)]
        public struct NET_DVR_PLATERECO_RESULE
        {
            public uint dwSize;
            public uint dwRelativeTime;	//相对时标
            public uint dwAbsTime;	//绝对时标
            public NET_VCA_DEV_INFO struDevInfo; // 前段设备信息
            public NET_DVR_PLATE_INFO struPlateInfo;
            public uint dwPicDataLen;	//返回图片的长度 为0表示没有图片，大于0表示该结构后面紧跟图片数据
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 4, ArraySubType = UnmanagedType.U4)]
            public uint[] dwRes;	//保留，设置为0
            public IntPtr pImage;   //指向图片的指针
        }
        /******************************车牌识别 end******************************************/

        /******************************抓拍机*******************************************/
        //IO输入配置
        [StructLayout(LayoutKind.Sequential)]
        public struct NET_DVR_IO_INCFG
        {
            public uint dwSize;
            public byte byIoInStatus;//输入的IO口状态，0-下降沿，1-上升沿，2-上升沿和下降沿，3-高电平，4-低电平
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 3, ArraySubType = UnmanagedType.I1)]
            public byte[] byRes;//保留字节
        }

        //IO输出配置
        [StructLayout(LayoutKind.Sequential)]
        public struct NET_DVR_IO_OUTCFG
        {
            public uint dwSize;
            public byte byDefaultStatus;//IO默认状态：0-低电平，1-高电平 
            public byte byIoOutStatus;//IO起效时状态：0-低电平，1-高电平，2-脉冲
            public ushort wAheadTime;//输出IO提前时间，单位us
            public uint dwTimePluse;//脉冲间隔时间，单位us
            public uint dwTimeDelay;//IO有效持续时间，单位us
            public byte byFreqMulti;		//倍频，数值范围[1,15]
            public byte byDutyRate;		//占空比，[0,40%]
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 2, ArraySubType = UnmanagedType.I1)]
            public byte[] byRes;
        }

        //闪光灯配置
        [StructLayout(LayoutKind.Sequential)]
        public struct NET_DVR_FLASH_OUTCFG
        {
            public uint dwSize;
            public byte byMode;//闪光灯闪烁模式，0-不闪，1-闪，2-关联闪，3-轮闪
            public byte byRelatedIoIn;//闪光灯关联的输入IO号（关联闪时此参数有效）
            public byte byRecognizedLane;  /*关联的IO号，按位表示，bit0表示IO1是否关联，0-不关联，1-关联*/
            public byte byDetectBrightness;/*自动检测亮度使能闪光灯0-不检测；1-检测*/
            public byte byBrightnessThreld;/*使能闪光灯亮度阈值，范围[0,100],高于阈值闪*/
            public byte byStartHour;		//开始时间-小时,取值范围0-23
            public byte byStartMinute;		//开始时间-分,取值范围0-59
            public byte byEndHour;		 	//结束时间-小时,取值范围0-23
            public byte byEndMinute;		//结束时间-分,取值范围0-59
            public byte byFlashLightEnable;	//设置闪光灯时间使能:0-关;1-开
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 2, ArraySubType = UnmanagedType.I1)]
            public byte[] byRes;
        }

        //红绿灯功能（2个IO输入一组）
        [StructLayout(LayoutKind.Sequential)]
        public struct NET_DVR_LIGHTSNAPCFG
        {
            public uint dwSize;
            public byte byLightIoIn;//红绿灯的IO 号
            public byte byTrigIoIn;//触发的IO号
            public byte byRelatedDriveWay;//触发IO关联的车道号
            public byte byTrafficLight; //0-高电平红灯，低电平绿灯；1-高电平绿灯，低电平红灯
            public byte bySnapTimes1; //红灯抓拍次数1，0-不抓拍，非0-连拍次数，最大5次 
            public byte bySnapTimes2; //绿灯抓拍次数2，0-不抓拍，非0-连拍次数，最大5次 
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 2, ArraySubType = UnmanagedType.I1)]
            public byte[] byRes1;
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = MAX_INTERVAL_NUM, ArraySubType = UnmanagedType.U2)]
            public ushort[] wIntervalTime1;//红灯连拍间隔时间，ms
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = MAX_INTERVAL_NUM, ArraySubType = UnmanagedType.U2)]
            public ushort[] wIntervalTime2;//绿灯连拍间隔时间，ms
            public byte byRecord;//闯红灯周期录像标志，0-不录像，1-录像
            public byte bySessionTimeout;//闯红灯周期录像超时时间（秒）
            public byte byPreRecordTime;//闯红灯录像片段预录时间(秒)
            public byte byVideoDelay;//闯红灯录像片段延时时间（秒）
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 32, ArraySubType = UnmanagedType.I1)]
            public byte[] byRes2;//保留字节
        }

        //测速功能(2个IO输入一组）
        [StructLayout(LayoutKind.Sequential)]
        public struct NET_DVR_MEASURESPEEDCFG
        {
            public uint dwSize;
            public byte byTrigIo1;   //测速第1线圈
            public byte byTrigIo2;   //测速第2线圈
            public byte byRelatedDriveWay;//触发IO关联的车道号
            public byte byTestSpeedTimeOut;//测速模式超时时间，单位s
            public uint dwDistance;//线圈距离,cm
            public byte byCapSpeed;//测速模式起拍速度，单位km/h
            public byte bySpeedLimit;//限速值，单位km/h
            public byte bySnapTimes1; //线圈1抓拍次数，0-不抓拍，非0-连拍次数，最大5次 
            public byte bySnapTimes2; //线圈2抓拍次数，0-不抓拍，非0-连拍次数，最大5次 
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = MAX_INTERVAL_NUM, ArraySubType = UnmanagedType.U2)]
            public ushort[] wIntervalTime1;//线圈1连拍间隔时间，ms
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = MAX_INTERVAL_NUM, ArraySubType = UnmanagedType.U2)]
            public ushort[] wIntervalTime2;//线圈2连拍间隔时间，ms
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 32, ArraySubType = UnmanagedType.I1)]
            public byte[] byRes;//保留字节
        }

        //视频参数配置
        [StructLayout(LayoutKind.Sequential)]
        public struct NET_DVR_VIDEOEFFECT
        {
            public byte byBrightnessLevel; /*0-100*/
            public byte byContrastLevel; /*0-100*/
            public byte bySharpnessLevel; /*0-100*/
            public byte bySaturationLevel; /*0-100*/
            public byte byHueLevel; /*0-100,（保留）*/
            public byte byEnableFunc; //使能，按位表示，bit0-SMART IR(防过曝)，bit1-低照度,bit2-强光抑制使能，0-否，1-是
            public byte byLightInhibitLevel; //强光抑制等级，[1-3]表示等级
            public byte byGrayLevel; //灰度值域，0-[0-255]，1-[16-235]
        }

        //增益配置
        [StructLayout(LayoutKind.Sequential)]
        public struct NET_DVR_GAIN
        {
            public byte byGainLevel; /*增益：0-100*/
            public byte byGainUserSet; /*用户自定义增益；0-100，对于抓拍机，是CCD模式下的抓拍增益*/
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 2, ArraySubType = UnmanagedType.I1)]
            public byte[] byRes;
            public uint dwMaxGainValue;/*最大增益值，单位dB*/
        }

        //白平衡配置
        [StructLayout(LayoutKind.Sequential)]
        public struct NET_DVR_WHITEBALANCE
        {
            public byte byWhiteBalanceMode; /*0-手动白平衡（MWB）,1-自动白平衡1（AWB1）,2-自动白平衡2 (AWB2),3-自动控制改名为锁定白平衡(Locked WB)，
	                         4-室外(Indoor)，5-室内(Outdoor)6-日光灯(Fluorescent Lamp)，7-钠灯(Sodium Lamp)，
	                         8-自动跟踪(Auto-Track)9-一次白平衡(One Push)，10-室外自动(Auto-Outdoor)，
	                         11-钠灯自动 (Auto-Sodiumlight)，12-水银灯(Mercury Lamp)，13-自动白平衡(Auto)，
	                         14-白炽灯 (IncandescentLamp)，15-暖光灯(Warm Light Lamp)，16-自然光(Natural Light) */
            public byte byWhiteBalanceModeRGain; /*手动白平衡时有效，手动白平衡 R增益*/
            public byte byWhiteBalanceModeBGain; /*手动白平衡时有效，手动白平衡 B增益*/
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 5, ArraySubType = UnmanagedType.I1)]
            public byte[] byRes;
        }

        //曝光控制
        [StructLayout(LayoutKind.Sequential)]
        public struct NET_DVR_EXPOSURE
        {
            public byte byExposureMode; /*0 手动曝光 1自动曝光*/
            public byte byAutoApertureLevel; /* 自动光圈灵敏度, 0-10 */
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 2, ArraySubType = UnmanagedType.I1)]
            public byte[] byRes;
            public uint dwVideoExposureSet; /* 自定义视频曝光时间（单位us）*//*注:自动曝光时该值为曝光最慢值 新增20-1s(1000000us)*/
            public uint dwExposureUserSet; /* 自定义曝光时间,在抓拍机上应用时，CCD模式时是抓拍快门速度*/
            public uint dwRes;
        }

        //宽动态配置
        [StructLayout(LayoutKind.Sequential)]
        public struct NET_DVR_WDR
        {
            public byte byWDREnabled; /*宽动态：0 dsibale  1 enable 2 auto*/
            public byte byWDRLevel1; /*0-F*/
            public byte byWDRLevel2; /*0-F*/
            public byte byWDRContrastLevel; /*0-100*/
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 16, ArraySubType = UnmanagedType.I1)]
            public byte[] byRes;
        }

        //日夜转换功能配置
        [StructLayout(LayoutKind.Sequential)]
        public struct NET_DVR_DAYNIGHT
        {
            public byte byDayNightFilterType; /*日夜切换：0-白天，1-夜晚，2-自动，3-定时，4-报警输入触发*/
            public byte bySwitchScheduleEnabled; /*0 dsibale  1 enable,(保留)*/
            //定时模式参数
            public byte byBeginTime; /*开始时间（小时），0-23*/
            public byte byEndTime; /*结束时间（小时），0-23*/
            //模式2
            public byte byDayToNightFilterLevel; //0-7
            public byte byNightToDayFilterLevel; //0-7
            public byte byDayNightFilterTime;//(60秒)
            //定时模式参数
            public byte byBeginTimeMin; //开始时间（分），0-59
            public byte byBeginTimeSec; //开始时间（秒），0-59
            public byte byEndTimeMin; //结束时间（分），0-59
            public byte byEndTimeSec; //结束时间（秒），0-59
                                      //报警输入触发模式参数
            public byte byAlarmTrigState; //报警输入触发状态，0-白天，1-夜晚
        }

        //Gamma校正
        [StructLayout(LayoutKind.Sequential)]
        public struct NET_DVR_GAMMACORRECT
        {
            public byte byGammaCorrectionEnabled; /*0 dsibale  1 enable*/
            public byte byGammaCorrectionLevel; /*0-100*/
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 6, ArraySubType = UnmanagedType.I1)]
            public byte[] byRes;
        }

        //背光补偿配置
        [StructLayout(LayoutKind.Sequential)]
        public struct NET_DVR_BACKLIGHT
        {
            public byte byBacklightMode; /*背光补偿:0 off 1 UP、2 DOWN、3 LEFT、4 RIGHT、5MIDDLE、6自定义*/
            public byte byBacklightLevel; /*0x0-0xF*/
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 2, ArraySubType = UnmanagedType.I1)]
            public byte[] byRes1;
            public uint dwPositionX1; //（X坐标1）
            public uint dwPositionY1; //（Y坐标1）
            public uint dwPositionX2; //（X坐标2）
            public uint dwPositionY2; //（Y坐标2）
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 4, ArraySubType = UnmanagedType.I1)]
            public byte[] byRes2;
        }

        //数字降噪功能
        [StructLayout(LayoutKind.Sequential)]
        public struct NET_DVR_NOISEREMOVE
        {
            public byte byDigitalNoiseRemoveEnable; /*0-不启用，1-普通模式数字降噪，2-专家模式数字降噪*/
            public byte byDigitalNoiseRemoveLevel; /*普通模式数字降噪级别：0x0-0xF*/
            public byte bySpectralLevel;       /*专家模式下空域强度：0-100*/
            public byte byTemporalLevel;   /*专家模式下时域强度：0-100*/
            public byte byDigitalNoiseRemove2DEnable;         /* 抓拍帧2D降噪，0-不启用，1-启用 */
            public byte byDigitalNoiseRemove2DLevel;            /* 抓拍帧2D降噪级别，0-100 */
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 2, ArraySubType = UnmanagedType.I1)]
            public byte[] byRes;
        }

        //CMOS模式下前端镜头配置
        [StructLayout(LayoutKind.Sequential)]
        public struct NET_DVR_CMOSMODECFG
        {
            public byte byCaptureMod;   //抓拍模式：0-抓拍模式1；1-抓拍模式2
            public byte byBrightnessGate;//亮度阈值
            public byte byCaptureGain1;   //抓拍增益1,0-100
            public byte byCaptureGain2;   //抓拍增益2,0-100
            public uint dwCaptureShutterSpeed1;//抓拍快门速度1
            public uint dwCaptureShutterSpeed2;//抓拍快门速度2
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 4, ArraySubType = UnmanagedType.I1)]
            public byte[] byRes;
        }

        //前端参数配置
        [StructLayout(LayoutKind.Sequential)]
        public struct NET_DVR_CAMERAPARAMCFG
        {
            public uint dwSize;
            public NET_DVR_VIDEOEFFECT struVideoEffect;/*亮度、对比度、饱和度、锐度、色调配置*/
            public NET_DVR_GAIN struGain;/*自动增益*/
            public NET_DVR_WHITEBALANCE struWhiteBalance;/*白平衡*/
            public NET_DVR_EXPOSURE struExposure; /*曝光控制*/
            public NET_DVR_GAMMACORRECT struGammaCorrect;/*Gamma校正*/
            public NET_DVR_WDR struWdr;/*宽动态*/
            public NET_DVR_DAYNIGHT struDayNight;/*日夜转换*/
            public NET_DVR_BACKLIGHT struBackLight;/*背光补偿*/
            public NET_DVR_NOISEREMOVE struNoiseRemove;/*数字降噪*/
            public byte byPowerLineFrequencyMode; /*0-50HZ; 1-60HZ*/
            public byte byIrisMode; /*0 自动光圈 1手动光圈*/
            public byte byMirror;  /* 镜像：0 off，1- leftright，2- updown，3-center */
            public byte byDigitalZoom;  /*数字缩放:0 dsibale  1 enable*/
            public byte byDeadPixelDetect;   /*坏点检测,0 dsibale  1 enable*/
            public byte byBlackPwl;/*黑电平补偿 ,  0-255*/
            public byte byEptzGate;// EPTZ开关变量:0-不启用电子云台，1-启用电子云台
            public byte byLocalOutputGate;//本地输出开关变量0-本地输出关闭1-本地BNC输出打开 2-HDMI输出关闭  
                                          //20-HDMI_720P50输出开
                                          //21-HDMI_720P60输出开
                                          //22-HDMI_1080I60输出开
                                          //23-HDMI_1080I50输出开
                                          //24-HDMI_1080P24输出开
                                          //25-HDMI_1080P25输出开
                                          //26-HDMI_1080P30输出开
                                          //27-HDMI_1080P50输出开
                                          //28-HDMI_1080P60输出开
                                          //40-SDI_720P50,
                                          //41-SDI_720P60,
                                          //42-SDI_1080I50,
                                          //43-SDI_1080I60,
                                          //44-SDI_1080P24,
                                          //45-SDI_1080P25,
                                          //46-SDI_1080P30,
                                          //47-SDI_1080P50,
                                          //48-SDI_1080P60
            public byte byCoderOutputMode;//编码器fpga输出模式0直通3像素搬家
            public byte byLineCoding; //是否开启行编码：0-否，1-是
            public byte byDimmerMode; //调光模式：0-半自动，1-自动
            public byte byPaletteMode; //调色板：0-白热，1-黑热，2-调色板2，…，8-调色板8
            public byte byEnhancedMode; //增强方式（探测物体周边）：0-不增强，1-1，2-2，3-3，4-4
            public byte byDynamicContrastEN;    //动态对比度增强 0-1
            public byte byDynamicContrast;    //动态对比度 0-100
            public byte byJPEGQuality;    //JPEG图像质量 0-100
            public NET_DVR_CMOSMODECFG struCmosModeCfg;//CMOS模式下前端参数配置，镜头模式从能力集获取
            public byte byFilterSwitch; //滤波开关：0-不启用，1-启用
            public byte byFocusSpeed; //镜头调焦速度：0-10
            public byte byAutoCompensationInterval; //定时自动快门补偿：1-120，单位：分钟
            public byte bySceneMode;  //场景模式：0-室外，1-室内，2-默认，3-弱光
        }

        //透雾
        [StructLayout(LayoutKind.Sequential)]
        public struct NET_DVR_DEFOGCFG
        {
            public byte byMode; //模式，0-不启用，1-自动模式，2-常开模式
            public byte byLevel; //等级，0-100
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 6, ArraySubType = UnmanagedType.I1)]
            public byte[] byRes;
        }

        //电子防抖
        [StructLayout(LayoutKind.Sequential)]
        public struct NET_DVR_ELECTRONICSTABILIZATION
        {
            public byte byEnable;//使能 0- 不启用，1- 启用
            public byte byLevel; //等级，0-100
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 6, ArraySubType = UnmanagedType.I1)]
            public byte[] byRes;
        }

        //走廊模式
        [StructLayout(LayoutKind.Sequential)]
        public struct NET_DVR_CORRIDOR_MODE_CCD
        {
            public byte byEnableCorridorMode; //是否启用走廊模式 0～不启用， 1～启用
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 11, ArraySubType = UnmanagedType.I1)]
            public byte[] byRes;
        }

        //SMART IR(防过曝)配置参数
        [StructLayout(LayoutKind.Sequential)]
        public struct NET_DVR_SMARTIR_PARAM
        {
            public byte byMode;//0～手动，1～自动
            public byte byIRDistance;//红外距离等级(等级，距离正比例)level:1~100 默认:50（手动模式下增加）
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 2, ArraySubType = UnmanagedType.I1)]
            public byte[] byRes;
        }

        //在byIrisMode 为P-Iris1时生效，配置红外光圈大小等级，配置模式
        [StructLayout(LayoutKind.Sequential)]
        public struct NET_DVR_PIRIS_PARAM
        {
            public byte byMode;//0-自动，1-手动
            public byte byPIrisAperture;//红外光圈大小等级(等级,光圈大小正比例)level:1~100 默认:50（手动模式下增加）
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 6, ArraySubType = UnmanagedType.I1)]
            public byte[] byRes;
        }

        //前端参数配置
        [StructLayout(LayoutKind.Sequential)]
        public struct NET_DVR_CAMERAPARAMCFG_EX
        {
            public uint dwSize;
            public NET_DVR_VIDEOEFFECT struVideoEffect;/*亮度、对比度、饱和度、锐度、色调配置*/
            public NET_DVR_GAIN struGain;/*自动增益*/
            public NET_DVR_WHITEBALANCE struWhiteBalance;/*白平衡*/
            public NET_DVR_EXPOSURE struExposure; /*曝光控制*/
            public NET_DVR_GAMMACORRECT struGammaCorrect;/*Gamma校正*/
            public NET_DVR_WDR struWdr;/*宽动态*/
            public NET_DVR_DAYNIGHT struDayNight;/*日夜转换*/
            public NET_DVR_BACKLIGHT struBackLight;/*背光补偿*/
            public NET_DVR_NOISEREMOVE struNoiseRemove;/*数字降噪*/
            public byte byPowerLineFrequencyMode; /*0-50HZ; 1-60HZ*/
            public byte byIrisMode; /*0-自动光圈 1-手动光圈, 2-P-Iris1*/
            public byte byMirror;  /* 镜像：0 off，1- leftright，2- updown，3-center */
            public byte byDigitalZoom;  /*数字缩放:0 dsibale  1 enable*/
            public byte byDeadPixelDetect;   /*坏点检测,0 dsibale  1 enable*/
            public byte byBlackPwl;/*黑电平补偿 ,  0-255*/
            public byte byEptzGate;// EPTZ开关变量:0-不启用电子云台，1-启用电子云台
            public byte byLocalOutputGate;//本地输出开关变量0-本地输出关闭1-本地BNC输出打开 2-HDMI输出关闭  
                                          //20-HDMI_720P50输出开
                                          //21-HDMI_720P60输出开
                                          //22-HDMI_1080I60输出开
                                          //23-HDMI_1080I50输出开
                                          //24-HDMI_1080P24输出开
                                          //25-HDMI_1080P25输出开
                                          //26-HDMI_1080P30输出开
                                          //27-HDMI_1080P50输出开
                                          //28-HDMI_1080P60输出开
            public byte byCoderOutputMode;//编码器fpga输出模式0直通3像素搬家
            public byte byLineCoding; //是否开启行编码：0-否，1-是
            public byte byDimmerMode; //调光模式：0-半自动，1-自动
            public byte byPaletteMode; //调色板：0-白热，1-黑热，2-调色板2，…，8-调色板8
            public byte byEnhancedMode; //增强方式（探测物体周边）：0-不增强，1-1，2-2，3-3，4-4
            public byte byDynamicContrastEN;    //动态对比度增强 0-1
            public byte byDynamicContrast;    //动态对比度 0-100
            public byte byJPEGQuality;    //JPEG图像质量 0-100
            public NET_DVR_CMOSMODECFG struCmosModeCfg;//CMOS模式下前端参数配置，镜头模式从能力集获取
            public byte byFilterSwitch; //滤波开关：0-不启用，1-启用
            public byte byFocusSpeed; //镜头调焦速度：0-10
            public byte byAutoCompensationInterval; //定时自动快门补偿：1-120，单位：分钟
            public byte bySceneMode;  //场景模式：0-室外，1-室内，2-默认，3-弱光
            public NET_DVR_DEFOGCFG struDefogCfg;//透雾参数
            public NET_DVR_ELECTRONICSTABILIZATION struElectronicStabilization;//电子防抖
            public NET_DVR_CORRIDOR_MODE_CCD struCorridorMode;//走廊模式
            public byte byExposureSegmentEnable; //0~不启用,1~启用  曝光时间和增益呈阶梯状调整，比如曝光往上调整时，先提高曝光时间到中间值，然后提高增益到中间值，再提高曝光到最大值，最后提高增益到最大值
            public byte byBrightCompensate;//亮度增强 [0~100]

            /*0-关闭、1-640*480@25fps、2-640*480@30ps、3-704*576@25fps、4-704*480@30fps、5-1280*720@25fps、6-1280*720@30fps、
             * 7-1280*720@50fps、8-1280*720@60fps、9-1280*960@15fps、10-1280*960@25fps、11-1280*960@30fps、
             * 12-1280*1024@25fps、13--1280*1024@30fps、14-1600*900@15fps、15-1600*1200@15fps、16-1920*1080@15fps、
             * 17-1920*1080@25fps、18-1920*1080@30fps、19-1920*1080@50fps、20-1920*1080@60fps、21-2048*1536@15fps、22-2048*1536@20fps、
             * 23-2048*1536@24fps、24-2048*1536@25fps、25-2048*1536@30fps、26-2560*2048@25fps、27-2560*2048@30fps、
             * 28-2560*1920@7.5fps、29-3072*2048@25fps、30-3072*2048@30fps、31-2048*1536@12.5、32-2560*1920@6.25、
             * 33-1600*1200@25、34-1600*1200@30、35-1600*1200@12.5、36-1600*900@12.5、37-1600@900@15、38-800*600@25、39-800*600@30*/
            public byte byCaptureModeN; //视频输入模式（N制）
            public byte byCaptureModeP; //视频输入模式（P制）
            public NET_DVR_SMARTIR_PARAM struSmartIRParam; //红外放过爆配置信息
            public NET_DVR_PIRIS_PARAM struPIrisParam;//PIris配置信息对应byIrisMode字段从2-PIris1开始生效
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 296, ArraySubType = UnmanagedType.I1)]
            public byte[] byRes1;
        }

        //车牌颜色
        public enum VCA_PLATE_COLOR
        {
            VCA_BLUE_PLATE = 0,//蓝色车牌
            VCA_YELLOW_PLATE,//黄色车牌
            VCA_WHITE_PLATE,//白色车牌
            VCA_BLACK_PLATE,//黑色车牌
            VCA_GREEN_PLATE //绿色车牌
        }

        //车牌类型
        public enum VCA_PLATE_TYPE
        {
            VCA_STANDARD92_PLATE = 0,//标准民用车与军车
            VCA_STANDARD02_PLATE,//02式民用车牌 
            VCA_WJPOLICE_PLATE,//武警车 
            VCA_JINGCHE_PLATE,//警车
            STANDARD92_BACK_PLATE,//民用车双行尾牌
            VCA_SHIGUAN_PLATE,          //使馆车牌
            VCA_NONGYONG_PLATE,         //农用车
            VCA_MOTO_PLATE              //摩托车
        }

        public enum VLR_VEHICLE_CLASS
        {
            VLR_OTHER = 0,   //其它
            VLR_VOLKSWAGEN = 1,    //大众
            VLR_BUICK = 2,  //别克
            VLR_BMW = 3,   //宝马
            VLR_HONDA = 4,   //本田
            VLR_PEUGEOT = 5,   //标致
            VLR_TOYOTA = 6,   //丰田
            VLR_FORD = 7,  //福特
            VLR_NISSAN = 8,  //日产
            VLR_AUDI = 9,  //奥迪
            VLR_MAZDA = 10,  //马自达
            VLR_CHEVROLET = 11,   //雪佛兰
            VLR_CITROEN = 12,  //雪铁龙
            VLR_HYUNDAI = 13,   //现代
            VLR_CHERY = 14   //奇瑞
        }

        [StructLayout(LayoutKind.Sequential)]
        public struct NET_DVR_VEHICLE_INFO
        {
            public uint dwIndex;
            public byte byVehicleType;
            public byte byColorDepth;
            public byte byColor;
            public byte byRes1;
            public ushort wSpeed;
            public ushort wLength;
            public byte byIllegalType;
            public byte byVehicleLogoRecog; //参考枚举类型 VLR_VEHICLE_CLASS
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 2, ArraySubType = UnmanagedType.I1)]
            public byte[] byRes2; //保留
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 16, ArraySubType = UnmanagedType.I1)]
            public byte[] byCustomInfo;  //自定义信息
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 16, ArraySubType = UnmanagedType.I1)]
            public byte[] byRes;

            public void Init()
            {
                byRes2 = new byte[2];
                byCustomInfo = new byte[16];
                byRes = new byte[16];
            }
        }

        [StructLayout(LayoutKind.Sequential)]
        public struct NET_DVR_PLATE_RESULT
        {
            public uint dwSize;
            public byte byResultType;
            public byte byChanIndex;
            public ushort wAlarmRecordID;	//报警录像ID(用于查询录像，仅当byResultType为2时有效)
            public uint dwRelativeTime;
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 32, ArraySubType = UnmanagedType.I1)]
            public byte[] byAbsTime;
            public uint dwPicLen;
            public uint dwPicPlateLen;
            public uint dwVideoLen;
            public byte byTrafficLight;
            public byte byPicNum;
            public byte byDriveChan;
            public byte byVehicleType; //0- 未知，1- 客车，2- 货车，3- 轿车，4- 面包车，5- 小货车
            public uint dwBinPicLen;
            public uint dwCarPicLen;
            public uint dwFarCarPicLen;
            public IntPtr pBuffer3;
            public IntPtr pBuffer4;
            public IntPtr pBuffer5;
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 8, ArraySubType = UnmanagedType.I1)]
            public byte[] byRes3;
            public NET_DVR_PLATE_INFO struPlateInfo;
            public NET_DVR_VEHICLE_INFO struVehicleInfo;
            public IntPtr pBuffer1;
            public IntPtr pBuffer2;

            public void Init()
            {
                byAbsTime = new byte[32];
                byRes3 = new byte[8];
            }
        }

        //图像叠加信息配置
        [StructLayout(LayoutKind.Sequential)]
        public struct NET_DVR_IMAGEOVERLAYCFG
        {
            public uint dwSize;
            public byte byOverlayInfo;//叠加使能开关，0-不叠加，1-叠加
            public byte byOverlayMonitorInfo;//是否叠加监测点信息，0-不叠加，1-叠加
            public byte byOverlayTime;//是否叠加时间，0-不叠加，1-叠加
            public byte byOverlaySpeed;//是否叠加速度，0-不叠加，1-叠加
            public byte byOverlaySpeeding;//是否叠加超速比例，0-不叠加，1-叠加
            public byte byOverlayLimitFlag;//是否叠加限速标志，0-不叠加，1-叠加
            public byte byOverlayPlate;//是否叠加车牌号，0-不叠加，1-叠加
            public byte byOverlayColor;//是否叠加车身颜色，0-不叠加，1-叠加
            public byte byOverlayLength;//是否叠加车长，0-不叠加，1-叠加
            public byte byOverlayType;//是否叠加车型，0-不叠加，1-叠加
            public byte byOverlayColorDepth;//是否叠加车身颜色深浅，0-不叠加，1-叠加
            public byte byOverlayDriveChan;//是否叠加车道，0-不叠加，1-叠加
            public byte byOverlayMilliSec; //叠加毫秒信息 0-不叠加，1-叠加
            public byte byOverlayIllegalInfo; //叠加违章信息 0-不叠加，1-叠加
            public byte byOverlayRedOnTime;  //叠加红灯已亮时间 0-不叠加，1-叠加
            public byte byFarAddPlateJpeg;      //远景图是否叠加车牌截图,0-不叠加,1-叠加
            public byte byNearAddPlateJpeg;      //近景图是否叠加车牌截图,0-不叠加,1-叠加
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 3, ArraySubType = UnmanagedType.I1)]
            public byte[] byRes1;    //保留
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 32, ArraySubType = UnmanagedType.I1)]
            public byte[] byMonitorInfo1;    //监测点信息1
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 44, ArraySubType = UnmanagedType.I1)]
            public byte[] byMonitorInfo2; //检测点信息2
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 52, ArraySubType = UnmanagedType.I1)]
            public byte[] byRes2; //保留
        }

        [StructLayout(LayoutKind.Sequential)]
        public struct NET_DVR_SNAPCFG
        {
            public uint dwSize;
            public byte byRelatedDriveWay;
            public byte bySnapTimes;
            public ushort wSnapWaitTime;
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = MAX_INTERVAL_NUM, ArraySubType = UnmanagedType.U2)]
            public ushort[] wIntervalTime;
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 24, ArraySubType = UnmanagedType.I1)]
            public byte[] byRes2;
        }

        public enum ITC_MAINMODE_ABILITY
        {
            ITC_MODE_UNKNOW = 0x0,   //无
            ITC_POST_MODE = 0x1,  //卡口模式
            ITC_EPOLICE_MODE = 0x2,  //电警模式
            ITC_POSTEPOLICE_MODE = 0x4  //卡式电警模式
        }

        public enum ITC_RECOG_REGION_TYPE
        {
            ITC_REGION_RECT = 0x0,   //矩形
            ITC_REGION_POLYGON = 0x1,  //多边形
        }

        [StructLayout(LayoutKind.Sequential)]
        public struct NET_DVR_SNAP_ABILITY
        {
            public uint dwSize;
            public byte byIoInNum;//IO输入口数
            public byte byIoOutNum;//IO输出口数
            public byte bySingleSnapNum;//单IO触发组数
            public byte byLightModeArrayNum;//红绿灯模式组数
            public byte byMeasureModeArrayNum;//测速模式组数
            public byte byPlateEnable; //车牌识别能力
            public byte byLensMode;//镜头模式0-CCD,1-CMOS
            public byte byPreTriggerSupport; //是否支持原触发模式，0-支持，1-不支持
            public uint dwAbilityType; //支持的触发模式能力，按位表示，定义见ITC_MAINMODE_ABILITY
            public byte byIoSpeedGroup; //支持的IO测速组数
            public byte byIoLightGroup; //支持的IO红绿灯组数
            public byte byRecogRegionType; //牌识区域支持的类型，详见定义ITC_RECOG_REGION_TYPE
            public byte bySupport; //设备能力，按位表示，0-不支持，1-支持
                                   // bySupport&0x1，表示是否支持扩展的字符叠加配置
                                   // bySupport&0x2，表示是否支持扩展的校时配置结构
                                   // bySupport&0x4, 表示是否支持多网卡(多网隔离)
                                   // bySupport&0x8, 表示是否支持网卡的bonding功能(网络容错)
                                   // bySupport&0x10, 表示是否支持语音对讲
                                   //2013-07-09 能力集返回
            public ushort wSupportMultiRadar;// 设备能力，按位表示，0-不支持，1-支持
                                             // wSupportMultiRadar&0x1，表示 卡口RS485雷达 支持车道关联雷达处理
                                             // wSupportMultiRadar&0x2，表示 卡口虚拟线圈 支持车道关联雷达处理
                                             // wSupportMultiRadar&0x4，表示 混行卡口 支持车道关联雷达处理
                                             // wSupportMultiRadar&0x8，表示 视频检测 支持车道关联雷达处理
            public byte byICRPresetNum;
            // 表示支持的ICR预置点（滤光片偏移点）数
            public byte byICRTimeSlot;//表示支持的ICR的时间段数（1～8）
            public byte bySupportRS485Num;//表示支持的RS485口的数量
            public byte byExpandRs485SupportSensor;// 设备能力，按位表示，0-不支持，1-支持
                                                   // byExpandRs485SupportSensor &0x1，表示电警车检器支持车检器
                                                   // byExpandRs485SupportSensor &0x2，表示卡式电警车检器支持车检器
            public byte byExpandRs485SupportSignalLampDet;// 设备能力，按位表示，0-不支持，1-支持
                                                          // byExpandRs485SupportSignalLampDet &0x1，表示电警车检器支持外接信号灯检测器
                                                          // byExpandRs485SupportSignalLampDet &0x2，表示卡式电警车检器支持外接信号灯检测器
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 13, ArraySubType = UnmanagedType.I1)]
            public byte[] byRes;
        }

        [StructLayout(LayoutKind.Sequential)]
        public struct NET_ITC_ICRTIMECFG
        {
            public NET_DVR_SCHEDTIME struTime;
            public byte byAssociateRresetNo;//预置点号1～8 , 0代表无
            public byte bySubSwitchMode;//1~白天，2~晚上 (当预置点等于0 的时候生效)
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 10, ArraySubType = UnmanagedType.I1)]
            public byte[] byRes;
        }

        [StructLayout(LayoutKind.Sequential)]
        public struct NET_ITC_ICR_TIMESWITCH_PARAM
        {
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = MAX_TIMESEGMENT_V30, ArraySubType = UnmanagedType.Struct)]
            public NET_ITC_ICRTIMECFG[] struAutoCtrlTime;//自动切换时间段 (自动切换下 时空下生效 现在支持4组，预留4组)
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = MAX_ICR_NUM, ArraySubType = UnmanagedType.I1)]
            public byte[] byICRPreset; //实际生效根据能力集动态显示 [0~100] 数组下标表示预置点号1～8 （0～7 相对应）
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 20, ArraySubType = UnmanagedType.I1)]
            public byte[] byRes;
        }

        [StructLayout(LayoutKind.Sequential)]
        public struct NET_ITC_ICR_MANUALSWITCH_PARAM
        {
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = MAX_ICR_NUM, ArraySubType = UnmanagedType.I1)]
            public byte[] byICRPreset; //实际生效根据能力集动态显示 [0~100]
            public byte bySubSwitchMode;//1~白天，2~晚上
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 147, ArraySubType = UnmanagedType.I1)]
            public byte[] byRes;
        }

        [StructLayout(LayoutKind.Sequential)]
        public struct NET_ITC_ICR_AOTOSWITCH_PARAM
        {
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = MAX_ICR_NUM, ArraySubType = UnmanagedType.I1)]
            public byte[] byICRPreset; //实际生效根据能力集动态显示 [0~100] 数组下标表示预置点号1～8 （0～7 相对应）
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 148, ArraySubType = UnmanagedType.I1)]
            public byte[] byRes;
        }

        [StructLayout(LayoutKind.Sequential)]
        public struct NET_ITC_ICR_PARAM_UNION
        {
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 156, ArraySubType = UnmanagedType.I1)]
            public byte[] uLen;
            public NET_ITC_ICR_AOTOSWITCH_PARAM struICRAutoSwitch;
            public NET_ITC_ICR_MANUALSWITCH_PARAM struICRManualSwitch;
            public NET_ITC_ICR_TIMESWITCH_PARAM struICRTimeSwitch;
        }

        [StructLayout(LayoutKind.Sequential)]
        public struct NET_ITC_ICRCFG
        {
            public uint dwSize;
            public byte bySwitchType;//1~自动切换，2~手动切换 ,3~定时切换 
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 3, ArraySubType = UnmanagedType.I1)]
            public byte[] byRes;
            public NET_ITC_ICR_PARAM_UNION uICRParam;
        }

        //2013-07-09 异常处理
        [StructLayout(LayoutKind.Sequential)]
        public struct NET_ITC_HANDLEEXCEPTION
        {
            public uint dwHandleType; //异常处理,异常处理方式的"或"结果
                                      /*0x00: 无响应*/
                                      /*0x01: 监视器上警告*/
                                      /*0x02: 声音警告*/
                                      /*0x04: 上传中心*/
                                      /*0x08: 触发报警输出（继电器输出）*/
                                      /*0x10: 触发JPRG抓图并上传Email*/
                                      /*0x20: 无线声光报警器联动*/
                                      /*0x40: 联动电子地图(目前只有PCNVR支持)*/
                                      /*0x200: 抓图并上传FTP*/
            public byte byEnable; //0～不启用，1～启用
            public byte byRes;
            public ushort wDuration;//持续时间(单位/s)
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = MAX_ITC_EXCEPTIONOUT, ArraySubType = UnmanagedType.I1)]
            public byte[] byAlarmOutTriggered;//触发输出通道
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 8, ArraySubType = UnmanagedType.I1)]
            public byte[] byRes1;
        }

        [StructLayout(LayoutKind.Sequential)]
        public struct NET_ITC_EXCEPTION
        {
            public uint dwSize;
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = MAX_EXCEPTIONNUM_V30, ArraySubType = UnmanagedType.Struct)]
            public NET_ITC_HANDLEEXCEPTION[] struSnapExceptionType;
            //数组的每个元素都表示一种异常，数组0- 硬盘出错,1-网线断,2-IP 地址冲突, 3-车检器异常, 4-信号灯检测器异常
        }

        [StructLayout(LayoutKind.Sequential)]
        public struct NET_DVR_TRIGCOORDINATE
        {
            public ushort wTopLeftX; /*线圈左上角横坐标（2个字节）*/
            public ushort wTopLeftY; /*线圈左上角纵坐标（2个字节）*/
            public ushort wWdith; /*线圈宽度（2个字节）*/
            public ushort wHeight; /*线圈高度（2个字节）*/
        }

        public enum PROVINCE_CITY_IDX
        {
            ANHUI_PROVINCE = 0,              //安徽
            AOMEN_PROVINCE = 1,              //澳门
            BEIJING_PROVINCE = 2,              //北京
            CHONGQING_PROVINCE = 3,              //重庆
            FUJIAN_PROVINCE = 4,              //福建
            GANSU_PROVINCE = 5,              //甘肃
            GUANGDONG_PROVINCE = 6,              //广东
            GUANGXI_PROVINCE = 7,              //广西
            GUIZHOU_PROVINCE = 8,              //贵州
            HAINAN_PROVINCE = 9,              //海南
            HEBEI_PROVINCE = 10,             //河北
            HENAN_PROVINCE = 11,             //河南
            HEILONGJIANG_PROVINCE = 12,             //黑龙江
            HUBEI_PROVINCE = 13,             //湖北
            HUNAN_PROVINCE = 14,             //湖南
            JILIN_PROVINCE = 15,             //吉林
            JIANGSU_PROVINCE = 16,             //江苏
            JIANGXI_PROVINCE = 17,             //江西
            LIAONING_PROVINCE = 18,             //辽宁
            NEIMENGGU_PROVINCE = 19,             //内蒙古
            NINGXIA_PROVINCE = 20,             //宁夏
            QINGHAI_PROVINCE = 21,             //青海
            SHANDONG_PROVINCE = 22,             //山东
            SHANXI_JIN_PROVINCE = 23,             //山西
            SHANXI_SHAN_PROVINCE = 24,             //陕西
            SHANGHAI_PROVINCE = 25,             //上海
            SICHUAN_PROVINCE = 26,             //四川
            TAIWAN_PROVINCE = 27,             //台湾
            TIANJIN_PROVINCE = 28,             //天津
            XIZANG_PROVINCE = 29,             //西藏
            XIANGGANG_PROVINCE = 30,             //香港
            XINJIANG_PROVINCE = 31,             //新疆
            YUNNAN_PROVINCE = 32,             //云南
            ZHEJIANG_PROVINCE = 33              //浙江
        }

        [StructLayout(LayoutKind.Sequential)]
        public struct NET_DVR_GEOGLOCATION
        {
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 2, ArraySubType = UnmanagedType.U4)]
            public int[] iRes; /*保留*/
            public uint dwCity; /*城市，详见PROVINCE_CITY_IDX */
        }

        //场景模式
        public enum SCENE_MODE
        {
            UNKOWN_SCENE_MODE = 0,            //未知场景模式
            HIGHWAY_SCENE_MODE = 1,            //高速场景模式
            SUBURBAN_SCENE_MODE = 2,            //郊区场景模式(保留)
            URBAN_SCENE_MODE = 3,            //市区场景模式
            TUNNEL_SCENE_MODE = 4             //隧道场景模式(保留)
        }

        [StructLayout(LayoutKind.Sequential)]
        public struct NET_DVR_VTPARAM
        {
            public uint dwSize;
            public byte byEnable;  /* 是否使能虚拟线圈，0-不使用，1-使用*/
            public byte byIsDisplay; /* 是否显示虚拟线圈，0-不显示，1-显示*/
            public byte byLoopPos; //晚间触发线圈的偏向：0-向上，1-向下
            public byte bySnapGain; /*抓拍增益*/
            public uint dwSnapShutter; /*抓拍快门速度*/
            public NET_DVR_TRIGCOORDINATE struTrigCoordinate; //保留
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = MAX_VL_NUM, ArraySubType = UnmanagedType.Struct)]
            public NET_DVR_TRIGCOORDINATE[] struRes;
            public byte byTotalLaneNum;/*视频触发的车道数1*/
            public byte byPolarLenType; /*偏振镜类型，0：不加偏振镜；1：加施耐德偏振镜。*/
            public byte byDayAuxLightMode; /*白天辅助照明模式，0：无辅助照明；1：LED灯照明；2：闪光灯照明*/
            public byte byLoopToCalRoadBright; /*用以计算路面亮度的车道(虚拟线圈)*/
            public byte byRoadGrayLowTh; /*路面亮度低阈值初始化值1*/
            public byte byRoadGrayHighTh; /*路面亮度高阈值初始化值140*/
            public ushort wLoopPosBias; /*晚间触发线圈位移30*/
            public uint dwHfrShtterInitValue; /*连续图像曝光时间的初始值2000*/
            public uint dwSnapShtterInitValue; /*抓拍图像曝光时间的初始值500*/
            public uint dwHfrShtterMaxValue; /*连续图像曝光时间的最大值20000*/
            public uint dwSnapShtterMaxValue; /*抓拍图像曝光时间的最大值1500*/
            public uint dwHfrShtterNightValue; /*晚间连续图像曝光时间的设置值3000*/
            public uint dwSnapShtterNightMinValue; /*晚间抓拍图像曝光时间的最小值3000*/
            public uint dwSnapShtterNightMaxValue; /*晚间抓拍图像曝光时间的最大值5000*/
            public uint dwInitAfe; /*增益的初始值200*/
            public uint dwMaxAfe; /*增益的最大值400*/
            public ushort wResolutionX;/* 设备当前分辨率宽*/
            public ushort wResolutionY;/* 设备当前分辨率高*/
            public uint dwGainNightValue; /*晚间增益，默认值70*/
            public uint dwSceneMode; /*场景模式， 详见SCENE_MODE */
            public uint dwRecordMode; /*录像标志：0-不录像，1-录像*/
            public NET_DVR_GEOGLOCATION struGeogLocation; /*地址位置*/
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = MAX_VL_NUM, ArraySubType = UnmanagedType.I1)]
            public byte[] byTrigFlag; /*触发标志，0-车头触发；1-车尾触发；2-车头/车尾都触发*/
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = MAX_VL_NUM, ArraySubType = UnmanagedType.I1)]
            public byte[] byTrigSensitive;  /*触发灵敏度，1-100*/
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 62, ArraySubType = UnmanagedType.I1)]
            public byte[] byRes2;
        }

        [StructLayout(LayoutKind.Sequential)]
        public struct NET_DVR_SNAPENABLECFG
        {
            public uint dwSize;
            public byte byPlateEnable;//是否支持车牌识别，0-不支持，1-支持
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 2, ArraySubType = UnmanagedType.I1)]
            public byte[] byRes1;   //保留
            public byte byFrameFlip;   //图像是否翻转 0-不翻转，1-翻转
            public ushort wFlipAngle;    //图像翻转角度 0,90,180,270
            public ushort wLightPhase;   //相位，取值范围[0, 360]
            public byte byLightSyncPower;  //是否信号灯电源同步，0-不同步；1-同步
            public byte byFrequency;		//信号频率
            public byte byUploadSDEnable;  //是否自动上传SD图片，0-否；1-是
            public byte byPlateMode; //识别模式参数:0-视频触发,1-外部触发
            public byte byUploadInfoFTP; //是否上传抓拍附加信息到FTP，0-否，1-是
            public byte byAutoFormatSD; //是否自动格式化SD卡，0-否，1-是
            public ushort wJpegPicSize; //Jpeg图片大小[64-8196]
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 56, ArraySubType = UnmanagedType.I1)]
            public byte[] byRes; //保留
        }

        /*ftp上传参数*/
        [StructLayout(LayoutKind.Sequential)]
        public struct NET_DVR_FTPCFG
        {
            public uint dwSize;
            public uint dwEnableFTP;			/*是否启动ftp上传功能*/
            [MarshalAs(UnmanagedType.ByValTStr, SizeConst = 16)]
            public string sFTPIP;				/*ftp 服务器*/
            public uint dwFTPPort;				/*ftp端口*/
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = NAME_LEN, ArraySubType = UnmanagedType.I1)]
            public byte[] sUserName;	/*用户名*/
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = PASSWD_LEN, ArraySubType = UnmanagedType.I1)]
            public byte[] sPassword;	/*密码*/
            public uint dwDirLevel;	/*0 = 不使用目录结构，直接保存在根目录,1 = 使用1级目录,2=使用2级目录*/
            public ushort wTopDirMode;	/* 一级目录，0x1 = 使用设备名,0x2 = 使用设备号,0x3 = 使用设备ip地址，0x4=使用监测点,0x5=使用时间(年月),0x=6自定义,0x7=违规类型,0x8=方向,0x9=地点*/
            public ushort wSubDirMode;	/* 二级目录，0x1 = 使用通道名,0x2 = 使用通道号，,0x3=使用时间(年月日),0x4=使用车道号,0x=5自定义,0x6=违规类型,0x7=方向,0x8=地点*/
            public byte byEnableAnony; //启用匿名，0-否，1-是
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 23, ArraySubType = UnmanagedType.I1)]
            public byte[] byRes;
        }

        /*可用来命名图片的相关元素 */
        public const int PICNAME_ITEM_DEV_NAME = 1;		/*设备名*/
        public const int PICNAME_ITEM_DEV_NO = 2;		/*设备号*/
        public const int PICNAME_ITEM_DEV_IP = 3;		/*设备IP*/
        public const int PICNAME_ITEM_CHAN_NAME = 4;	/*通道名*/
        public const int PICNAME_ITEM_CHAN_NO = 5;		/*通道号*/
        public const int PICNAME_ITEM_TIME = 6;		/*时间*/
        public const int PICNAME_ITEM_CARDNO = 7;		/*卡号*/
        public const int PICNAME_ITEM_PLATE_NO = 8;   /*车牌号码*/
        public const int PICNAME_ITEM_PLATE_COLOR = 9;   /*车牌颜色*/
        public const int PICNAME_ITEM_CAR_CHAN = 10;  /*车道号*/
        public const int PICNAME_ITEM_CAR_SPEED = 11;  /*车辆速度*/
        public const int PICNAME_ITEM_CARCHAN = 12;  /*监测点*/
        public const int PICNAME_ITEM_PIC_NUMBER = 13;  //图片序号
        public const int PICNAME_ITEM_CAR_NUMBER = 14;  //车辆序号

        public const int PICNAME_ITEM_SPEED_LIMIT_VALUES = 15; //限速值
        public const int PICNAME_ITEM_ILLEGAL_CODE = 16; //国标违法代码
        public const int PICNAME_ITEM_CROSS_NUMBER = 17; //路口编号
        public const int PICNAME_ITEM_DIRECTION_NUMBER = 18; //方向编号

        public const int PICNAME_MAXITEM = 15;
        //图片命名
        [StructLayout(LayoutKind.Sequential)]
        public struct NET_DVR_PICTURE_NAME
        {
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = PICNAME_MAXITEM, ArraySubType = UnmanagedType.I1)]
            public byte[] byItemOrder;	/*	桉数组定义文件命名的规则 */
            public byte byDelimiter;		/*分隔符，一般为'_'*/
        }


        //命名规则：2013-09-27
        public const int PICNAME_ITEM_PARK_DEV_IP = 1;	/*设备IP*/
        public const int PICNAME_ITEM_PARK_PLATE_NO = 2;/*车牌号码*/
        public const int PICNAME_ITEM_PARK_TIME = 3;	/*时间*/
        public const int PICNAME_ITEM_PARK_INDEX = 4;   /*车位编号*/
        public const int PICNAME_ITEM_PARK_STATUS = 5;  /*车位状态*/

        //图片命名扩展 2013-09-27
        [StructLayout(LayoutKind.Sequential)]
        public struct NET_DVR_PICTURE_NAME_EX
        {
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = PICNAME_MAXITEM, ArraySubType = UnmanagedType.I1)]
            public byte[] byItemOrder;	/*	桉数组定义文件命名的规则 */
            public byte byDelimiter;	            	/*分隔符，一般为'_'*/
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 32, ArraySubType = UnmanagedType.I1)]
            public byte[] byRes;                      /*保留*/
        }

        /* 串口抓图设置*/
        [StructLayout(LayoutKind.Sequential)]
        public struct NET_DVR_SERIAL_CATCHPIC_PARA
        {
            public byte byStrFlag;	/*串口数据开始符*/
            public byte byEndFlag;	/*结束符*/
            public ushort wCardIdx;	/*卡号相对起始位*/
            public uint dwCardLen;	/*卡号长度*/
            public uint dwTriggerPicChans;	/*所触发的通道号，按位，从第1位开始计，即0x2表示第一通道*/
        }

        //DVR抓图参数配置（基线）
        [StructLayout(LayoutKind.Sequential)]
        public struct NET_DVR_JPEGCFG_V30
        {
            public uint dwSize;
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = MAX_CHANNUM_V30, ArraySubType = UnmanagedType.Struct)]
            public NET_DVR_JPEGPARA[] struJpegPara;	/*每个通道的图像参数*/
            public ushort wBurstMode;							/*抓图方式,按位设置.0x1=报警输入触发，0x2=移动侦测触发 0x4=232触发，0x8=485触发，0x10=网络触发*/
            public ushort wUploadInterval;					/*图片上传间隔(秒)[0,65535]*/
            public NET_DVR_PICTURE_NAME struPicNameRule;	/* 图片命名规则 */
            public byte bySaveToHD;		/*是否保存到硬盘*/
            public byte byRes1;
            public ushort wCatchInterval;		/*抓图间隔(毫秒)[0,65535]*/
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 12, ArraySubType = UnmanagedType.I1)]
            public byte[] byRes2;
            public NET_DVR_SERIAL_CATCHPIC_PARA struRs232Cfg;
            public NET_DVR_SERIAL_CATCHPIC_PARA struRs485Cfg;
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = MAX_CHANNUM_V30, ArraySubType = UnmanagedType.U4)]
            public uint[] dwTriggerPicTimes;	/* 每个通道一次触发拍照次数 */
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = MAX_ALARMIN_V30, ArraySubType = UnmanagedType.U4)]
            public uint[] dwAlarmInPicChanTriggered; /*报警触发抓拍通道,按位设置，从第1位开始*/
        }

        //抓拍触发请求结构(保留)
        [StructLayout(LayoutKind.Sequential)]
        public struct NET_DVR_MANUALSNAP
        {
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 24, ArraySubType = UnmanagedType.I1)]
            public byte[] byRes; //保留
        }

        [StructLayout(LayoutKind.Sequential)]
        public struct NET_DVR_SPRCFG
        {
            public uint dwSize;
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = MAX_CHJC_NUM, ArraySubType = UnmanagedType.I1)]
            public byte[] byDefaultCHN; /*设备运行省份的汉字简写*/
            public byte byPlateOSD;    /*0:不发送车牌彩色图,1:发送车牌彩色图*/
            public byte bySendJPEG1;   /*0-不传送近景JPEG图,1-传送近景JPEG图*/
            public byte bySendJPEG2;   /*0-不传送远景JPEG图,1-传送远景JPEG图*/
            public ushort wDesignedPlateWidth;   /*车牌设计宽度*/
            public byte byTotalLaneNum;  /*识别的车道数*/
            public byte byRes1;      /*保留*/
            public ushort wRecognizedLane;  /*识别的车道号，按位表示，bit0表示车道1是否识别，0-不识别，1-识别*/
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = MAX_LANERECT_NUM, ArraySubType = UnmanagedType.Struct)]
            public NET_VCA_RECT[] struLaneRect;  /*车道识别区域*/
            public uint dwRecogMode;  /*识别的类型，
	        bit0-背向识别：0-正向车牌识别，1-背向识别(尾牌识别) ； 
		    bit1-大车牌识别或小车牌识别：0-小车牌识别，1-大车牌识别 ；
		    bit2-车身颜色识别：0-不采用车身颜色识别，在背向识别或小车牌识别时禁止启用，1-车身颜色识别；
		    bit3-农用车识别：0-不采用农用车识别，1-农用车识别； 
		    bit4-模糊识别：0-不采用模糊识别，1-模糊识别；
		    bit5-帧定位或场定位：0-帧定位，1-场定位；
		    bit6-帧识别或场识别：0-帧识别，1-场识别； 
		    bit7-晚上或白天：0-白天，1-晚上 */
            public byte bySendPRRaw;       	//是否发送原图：0-不发送，1-发送 
            public byte bySendBinImage;  	//是否发送车牌二值图：0-不发送，1-发送 
            public byte byDelayCapture;  //延时抓拍控制,单位：帧
            public byte byUseLED;    //使用LED控制，0-否，1-是
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 68, ArraySubType = UnmanagedType.I1)]
            public byte[] byRes2;    //保留
        }

        [StructLayout(LayoutKind.Sequential)]
        public struct NET_DVR_PLCCFG
        {
            public uint dwSize;
            public byte byPlcEnable;	//是否启用车牌亮度补偿（默认启用）：0-关闭，1-启用 
            public byte byPlateExpectedBright;	//车牌的预期亮度（默认值50）, 范围[0, 100]
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 2, ArraySubType = UnmanagedType.I1)]
            public byte[] byRes1;	//保留 
            public byte byTradeoffFlash;     //是否考虑闪光灯的影响: 0 - 否;  1 - 是(默认); 
                                             //使用闪光灯补光时, 如果考虑减弱闪光灯的亮度增强效应, 则需要设为1;否则为0
            public byte byCorrectFactor;     //纠正系数, 范围[0, 100], 默认值50 (在tradeoff_flash切换时,恢复默认值）
            public ushort wLoopStatsEn;  //是否该线圈的亮度，按位表示，0-不统计，1-统计
            public byte byPlcBrightOffset;// 车牌亮度补偿灵敏度(虚拟线圈模式起效)，取值范围1~100
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 19, ArraySubType = UnmanagedType.I1)]
            public byte[] byRes;
        }

        [StructLayout(LayoutKind.Sequential)]
        public struct NET_DVR_DEVICESTATECFG
        {
            public uint dwSize;
            public ushort wPreviewNum; //预览连接个数
            public ushort wFortifyLinkNum; //布防连接个数
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = MAX_LINK, ArraySubType = UnmanagedType.Struct)]
            public NET_DVR_IPADDR[] struPreviewIP;  //预览的用户IP地址
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = MAX_FORTIFY_NUM, ArraySubType = UnmanagedType.Struct)]
            public NET_DVR_IPADDR[] struFortifyIP; //布防连接的用户IP地址
            public uint dwVideoFrameRate;	//帧率：0-全部; 1-1/16; 2-1/8; 3-1/4; 4-1/2; 5-1; 6-2; 7-4; 8-6; 9-8; 10-10; 11-12; 12-16; 13-20; 14-15; 15-18; 16-22;
            public byte byResolution;  	//分辨率0-DCIF 1-CIF, 2-QCIF, 3-4CIF, 4-2CIF 5（保留）,16-VGA（640*480）, 17-UXGA（1600*1200）, 18-SVGA （800*600）,19-HD720p（1280*720）,20-XVGA,  21-HD900p, 27-HD1080i, 28-2560*1920, 29-1600*304, 30-2048*1536, 31-2448*2048
            public byte bySnapResolution;  	//抓拍分辨率0-DCIF 1-CIF, 2-QCIF, 3-4CIF, 4-2CIF 5（保留）,16-VGA（640*480）, 17-UXGA（1600*1200）, 18-SVGA （800*600）,19-HD720p（1280*720）,20-XVGA,  21-HD900p, 27-HD1080i, 28-2560*1920, 29-1600*304, 30-2048*1536, 31-2448*2048
            public byte byStreamType; //传输类型：0-主码流；1-子码流
            public byte byTriggerType; //触发模式：0-视频触发；1-普通触发
            public uint dwSDVolume;  //SD卡容量
            public uint dwSDFreeSpace; //SD卡剩余空间
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = MAX_DRIVECHAN_NUM * MAX_COIL_NUM, ArraySubType = UnmanagedType.I1)]
            public byte[] byDetectorState;  //车检器状态：0-未使用；1-正常；2-异常
            public byte byDetectorLinkState; //车检器连接状态：0-未连接；1-连接
            public byte bySDStatus;    //SD卡状态 0－活动；1－休眠；2－异常，3-无sd卡
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = MAX_FORTIFY_NUM, ArraySubType = UnmanagedType.I1)]
            public byte[] byFortifyLevel; //布防等级，0-无，1-一等级（高），2-二等级（中），3-三等级（低）
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 116, ArraySubType = UnmanagedType.I1)]
            public byte[] byRes2; //保留
        }

        [StructLayout(LayoutKind.Sequential)]
        public struct NET_DVR_POSTEPOLICECFG
        {
            public uint dwSize;
            public uint dwDistance;//线圈距离,单位cm，取值范围[0,20000]
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = MAX_SIGNALLIGHT_NUM, ArraySubType = UnmanagedType.U4)]
            public uint[] dwLightChan;	//信号灯通道号
            public byte byCapSpeed;//标志限速，单位km/h，取值范围[0,255]
            public byte bySpeedLimit;//限速值，单位km/h，取值范围[0,255]
            public byte byTrafficDirection;//车流方向，0-由东向西，1-由西向东，2-由南向北，3-由北向南
            public byte byRes1; //保留
            public ushort wLoopPreDist;        /*触发延迟距离 ，单位：分米*/
            public ushort wTrigDelay;             /*触发硬延时时间 ，单位：毫秒*/
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 124, ArraySubType = UnmanagedType.I1)]
            public byte[] byRes;//保留字节
        }
        /***************************** end *********************************************/
        public const int IPC_PROTOCOL_NUM = 50;  //ipc 协议最大个数

        //协议类型
        [StructLayout(LayoutKind.Sequential)]
        public struct NET_DVR_PROTO_TYPE
        {
            public uint dwType;               /*ipc协议值*/
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = DESC_LEN, ArraySubType = UnmanagedType.I1)]
            public byte[] byDescribe; /*协议描述字段*/
        }

        //协议列表
        [StructLayout(LayoutKind.Sequential)]
        public struct NET_DVR_IPC_PROTO_LIST
        {
            public uint dwSize;
            public uint dwProtoNum;           /*有效的ipc协议数目*/
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = IPC_PROTOCOL_NUM, ArraySubType = UnmanagedType.Struct)]
            public NET_DVR_PROTO_TYPE[] struProto;   /*有效的ipc协议*/
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 8, ArraySubType = UnmanagedType.I1)]
            public byte[] byRes;
        }

        public const int MAX_ALERTLINE_NUM = 8; //最大警戒线条数	

        //越界侦测查询条件
        [StructLayout(LayoutKind.Sequential)]
        public struct NET_DVR_TRAVERSE_PLANE_SEARCHCOND
        {
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = MAX_ALERTLINE_NUM, ArraySubType = UnmanagedType.Struct)]
            public NET_VCA_TRAVERSE_PLANE[] struVcaTraversePlane;  //穿越境界面参数
            public uint dwPreTime;   /*智能报警提前时间 单位:秒*/
            public uint dwDelayTime; /*智能报警延迟时间 单位:秒*/
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 5656, ArraySubType = UnmanagedType.I1)]
            public byte[] byRes; //保留
        }

        public const int MAX_INTRUSIONREGION_NUM = 8; //最大区域数数
        [StructLayout(LayoutKind.Sequential)]
        public struct NET_DVR_INTRUSION_SEARCHCOND
        {
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = MAX_INTRUSIONREGION_NUM, ArraySubType = UnmanagedType.Struct)]
            public NET_VCA_INTRUSION[] struVcaIntrusion; //入侵区域
            public uint dwPreTime;   /*智能报警提前时间 单位:秒*/
            public uint dwDelayTime; /*智能报警延迟时间 单位:秒*/
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 5400, ArraySubType = UnmanagedType.I1)]
            public byte[] byRes; //保留
        }


        [StructLayout(LayoutKind.Explicit)]
        public struct NET_DVR_AREA_SMARTSEARCH_COND_UNION
        {
            [FieldOffset(0)]
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 6144, ArraySubType = UnmanagedType.I1)]
            public byte[] byLen;  //结构体长度
            /*[FieldOffsetAttribute(0)]
            [MarshalAsAttribute(UnmanagedType.ByValArray, SizeConst = 64 * 96, ArraySubType = UnmanagedType.I1)]
            public byte[] byMotionScope; //侦测区域 0-96位表示64行，共有96*64个小宏块，1-是移动侦测区域，0-非移动侦测区域 
            [FieldOffsetAttribute(0)]
            public NET_DVR_TRAVERSE_PLANE_SEARCHCOND struTraversPlaneCond; //越界侦测
            [FieldOffsetAttribute(0)]
            public NET_DVR_INTRUSION_SEARCHCOND struIntrusionCond; //区域入侵
             * */
        }

        //智能搜索参数
        [StructLayout(LayoutKind.Sequential)]
        public struct NET_DVR_SMART_SEARCH_PARAM
        {
            public byte byChan;					//通道号
            public byte bySearchCondType; //智能查找联合体NET_DVR_AREA_SMARTSEARCH_COND_UNION的索引     
                                          /*0-移动侦测区域 ，1-越界侦测， 2-区域入侵*/
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 2, ArraySubType = UnmanagedType.I1)]
            public byte[] byRes1;
            public NET_DVR_TIME struStartTime;		//录像开始的时间
            public NET_DVR_TIME struEndTime;		//录像停止的时间
            public NET_DVR_AREA_SMARTSEARCH_COND_UNION uSmartSearchCond;  //智能查找条件
            public byte bySensitivity;   			//移动侦测搜索灵敏度,1	>80%  2 40%~80%  3 1%~40%
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 11, ArraySubType = UnmanagedType.I1)]
            public byte[] byRes2;
        }

        [StructLayout(LayoutKind.Sequential)]
        public struct NET_DVR_SMART_SEARCH_RET
        {
            public NET_DVR_TIME struStartTime;	//移动侦测报警开始的时间
            public NET_DVR_TIME struEndTime;   //事件停止的时间
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 64, ArraySubType = UnmanagedType.I1)]
            public byte[] byRes;
        }

        //IPSAN 文件目录查找
        [StructLayout(LayoutKind.Sequential)]
        public struct NET_DVR_IPSAN_SERACH_PARAM
        {
            public NET_DVR_IPADDR struIP;     // IPSAN IP地址
            public ushort wPort;      // IPSAN  端口
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 10, ArraySubType = UnmanagedType.I1)]
            public byte[] byRes;  // 保留字节
        }

        [StructLayout(LayoutKind.Sequential)]
        public struct NET_DVR_IPSAN_SERACH_RET
        {
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 128, ArraySubType = UnmanagedType.I1)]
            public byte[] byDirectory;  // 返回的文件目录
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 20, ArraySubType = UnmanagedType.I1)]
            public byte[] byRes;
        }

        //DVR设备参数
        [StructLayout(LayoutKind.Sequential)]
        public struct NET_DVR_DEVICECFG_V40
        {
            public uint dwSize;
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = NAME_LEN, ArraySubType = UnmanagedType.I1)]
            public byte[] sDVRName; //DVR名称
            public uint dwDVRID;				//DVR ID,用于遥控器 //V1.4(0-99), V1.5(0-255)
            public uint dwRecycleRecord;		//是否循环录像,0:不是; 1:是
            //以下不可更改
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = SERIALNO_LEN, ArraySubType = UnmanagedType.I1)]
            public byte[] sSerialNumber; //序列号
            public uint dwSoftwareVersion;			//软件版本号,高16位是主版本,低16位是次版本
            public uint dwSoftwareBuildDate;			//软件生成日期,0xYYYYMMDD
            public uint dwDSPSoftwareVersion;		    //DSP软件版本,高16位是主版本,低16位是次版本
            public uint dwDSPSoftwareBuildDate;		// DSP软件生成日期,0xYYYYMMDD
            public uint dwPanelVersion;				// 前面板版本,高16位是主版本,低16位是次版本
            public uint dwHardwareVersion;	// 硬件版本,高16位是主版本,低16位是次版本
            public byte byAlarmInPortNum;		//DVR报警输入个数
            public byte byAlarmOutPortNum;		//DVR报警输出个数
            public byte byRS232Num;			//DVR 232串口个数
            public byte byRS485Num;			//DVR 485串口个数 
            public byte byNetworkPortNum;		//网络口个数
            public byte byDiskCtrlNum;			//DVR 硬盘控制器个数
            public byte byDiskNum;				//DVR 硬盘个数
            public byte byDVRType;				//DVR类型, 1:DVR 2:ATM DVR 3:DVS ......
            public byte byChanNum;				//DVR 通道个数
            public byte byStartChan;			//起始通道号,例如DVS-1,DVR - 1
            public byte byDecordChans;			//DVR 解码路数
            public byte byVGANum;				//VGA口的个数 
            public byte byUSBNum;				//USB口的个数
            public byte byAuxoutNum;			//辅口的个数
            public byte byAudioNum;			//语音口的个数
            public byte byIPChanNum;			//最大数字通道数 低8位，高8位见byHighIPChanNum 
            public byte byZeroChanNum;			//零通道编码个数
            public byte bySupport;        //能力，位与结果为0表示不支持，1表示支持，
                                          //bySupport & 0x1, 表示是否支持智能搜索
                                          //bySupport & 0x2, 表示是否支持备份
                                          //bySupport & 0x4, 表示是否支持压缩参数能力获取
                                          //bySupport & 0x8, 表示是否支持多网卡
                                          //bySupport & 0x10, 表示支持远程SADP
                                          //bySupport & 0x20, 表示支持Raid卡功能
                                          //bySupport & 0x40, 表示支持IPSAN搜索
                                          //bySupport & 0x80, 表示支持rtp over rtsp
            public byte byEsataUseage;		//Esata的默认用途，0-默认备份，1-默认录像
            public byte byIPCPlug;			//0-关闭即插即用，1-打开即插即用
            public byte byStorageMode;		//0-盘组模式,1-磁盘配额, 2抽帧模式
            public byte bySupport1;     //能力，位与结果为0表示不支持，1表示支持
                                        //bySupport1 & 0x1, 表示是否支持snmp v30
                                        //bySupport1 & 0x2, 支持区分回放和下载
                                        //bySupport1 & 0x4, 是否支持布防优先级	
                                        //bySupport1 & 0x8, 智能设备是否支持布防时间段扩展
                                        //bySupport1 & 0x10, 表示是否支持多磁盘数（超过33个）
                                        //bySupport1 & 0x20, 表示是否支持rtsp over http	
            public ushort wDevType;//设备型号
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = DEV_TYPE_NAME_LEN, ArraySubType = UnmanagedType.I1)]
            public byte[] byDevTypeName;//设备型号名称 
            public byte bySupport2; //能力集扩展，位与结果为0表示不支持，1表示支持
                                    //bySupport2 & 0x1, 表示是否支持扩展的OSD字符叠加(终端和抓拍机扩展区分)
            public byte byAnalogAlarmInPortNum; //模拟报警输入个数
            public byte byStartAlarmInNo;    //模拟报警输入起始号
            public byte byStartAlarmOutNo;  //模拟报警输出起始号
            public byte byStartIPAlarmInNo;  //IP报警输入起始号  0-无效
            public byte byStartIPAlarmOutNo; //IP报警输出起始号 0-无效
            public byte byHighIPChanNum;     //数字通道个数，高8位 
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 9, ArraySubType = UnmanagedType.I1)]
            public byte[] byRes2;			//保留
        }

        public const int MAX_ZEROCHAN_NUM = 16;
        //零通道压缩配置参数
        [StructLayout(LayoutKind.Sequential)]
        public struct NET_DVR_ZEROCHANCFG
        {
            public uint dwSize;			    //结构长度
            public byte byEnable;			//0-停止零通道编码，1-表示启用零通道编码
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 3, ArraySubType = UnmanagedType.I1)]
            public byte[] byRes1;			//保留
            public uint dwVideoBitrate; 	/*视频码率 0-保留 1-16K(保留) 2-32K 3-48k 4-64K 5-80K 6-96K 7-128K 8-160k 9-192K 10-224K 11-256K 
                                             * 12-320K 13-384K 14-448K 15-512K 16-640K 17-768K 18-896K 19-1024K 20-1280K 21-1536K 22-1792K
                                             * 23-2048K
                                             * 最高位(31位)置成1表示是自定义码流, 0-30位表示码流值(MIN-32K MAX-8192K) */
            public uint dwVideoFrameRate;   //帧率 0-全部; 1-1/16; 2-1/8; 3-1/4; 4-1/2; 5-1; 6-2; 7-4; 8-6; 9-8; 10-10; 11-12; 12-16; 13-20, 
                                            //V2.0增加14-15, 15-18, 16-22;
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 32, ArraySubType = UnmanagedType.I1)]
            public byte[] byRes2;        //保留
        }

        //零通道缩放参数
        [StructLayout(LayoutKind.Sequential)]
        public struct NET_DVR_ZERO_ZOOMCFG
        {
            public uint dwSize;			    //结构长度
            public NET_VCA_POINT struPoint;	//画面中的坐标点
            public byte byState;		 //现在的状态，0-缩小，1-放大  
            public byte byPreviewNumber;       //预览数目,0-1画面,1-4画面,2-9画面,3-16画面 该参数只读
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = MAX_WINDOW_V30, ArraySubType = UnmanagedType.I1)]
            public byte[] byPreviewSeq;//画面通道信息 该参数只读
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 30, ArraySubType = UnmanagedType.I1)]
            public byte[] byRes;				//保留 
        }

        public const int DESC_LEN_64 = 64;
        [StructLayout(LayoutKind.Sequential)]
        public struct NET_DVR_SNMPCFG
        {
            public uint dwSize;			//结构长度
            public byte byEnable;			//0-禁用SNMP，1-表示启用SNMP
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 3, ArraySubType = UnmanagedType.I1)]
            public byte[] byRes1;			//保留
            public ushort wVersion;		//snmp 版本  v1 = 1, v2 =2, v3 =3，设备目前不支持 v3
            public ushort wServerPort; //snmp消息接收端口，默认 161
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = NAME_LEN, ArraySubType = UnmanagedType.I1)]
            public byte[] byReadCommunity; //读共同体，最多31,默认"public"
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = NAME_LEN, ArraySubType = UnmanagedType.I1)]
            public byte[] byWriteCommunity;//写共同体,最多31 字节,默认 "private"
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = DESC_LEN_64, ArraySubType = UnmanagedType.I1)]
            public byte[] byTrapHostIP;	//自陷主机ip地址描述，支持IPV4 IPV6和域名描述    
            public ushort wTrapHostPort;   //trap主机端口
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = NAME_LEN, ArraySubType = UnmanagedType.I1)]
            public byte[] byTrapName;
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 70, ArraySubType = UnmanagedType.I1)]
            public byte[] byRes2;    //保留
        }

        [StructLayout(LayoutKind.Sequential)]
        public struct NET_DVR_SNMPv3_USER
        {
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = NAME_LEN, ArraySubType = UnmanagedType.I1)]
            public byte[] byUserName;			// 用户名				
            public byte bySecLevel;	//安全级别 1-无校验 2-无授权校验 3-授权校验
            public byte byAuthtype;	//认证类型 0-MD5认证 1-SHA认证 2: none
            public byte byPrivtype;	//0: DES; 1: AES; 2: none;
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 5, ArraySubType = UnmanagedType.I1)]
            public byte[] byRes;
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = PASSWD_LEN, ArraySubType = UnmanagedType.I1)]
            public byte[] byAuthpass;	//认证密码
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = PASSWD_LEN, ArraySubType = UnmanagedType.I1)]
            public byte[] byPrivpass;	//加密密码
        }

        //snmpv30
        [StructLayout(LayoutKind.Sequential)]
        public struct NET_DVR_SNMPCFG_V30
        {
            public uint dwSize;			//结构长度
            public byte byEnableV1;		//0-禁用SNMP V1，1-表示启用SNMP V1
            public byte byEnableV2;		//0-禁用SNMP V2，1-表示启用SNMP V2
            public byte byEnableV3;		//0-禁用SNMP V3，1-表示启用SNMP V3
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 3, ArraySubType = UnmanagedType.I1)]
            public byte[] byRes1;
            public ushort wServerPort;					//snmp消息接收端口，默认 161
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = NAME_LEN, ArraySubType = UnmanagedType.I1)]
            public byte[] byReadCommunity;		//读共同体，最多31,默认"public"
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = NAME_LEN, ArraySubType = UnmanagedType.I1)]
            public byte[] byWriteCommunity;		//写共同体,最多31 字节,默认 "private"
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = DESC_LEN_64, ArraySubType = UnmanagedType.I1)]
            public byte[] byTrapHostIP;		//自陷主机ip地址描述，支持IPV4 IPV6和域名描述    
            public ushort wTrapHostPort;					// trap主机端口
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 2, ArraySubType = UnmanagedType.I1)]
            public byte[] byRes2;
            public NET_DVR_SNMPv3_USER struRWUser;    // 读写用户
            public NET_DVR_SNMPv3_USER struROUser;    // 只读用户
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = NAME_LEN, ArraySubType = UnmanagedType.I1)]
            public byte[] byTrapName;
        }

        public const int PROCESSING = 0;    //正在处理
        public const int PROCESS_SUCCESS = 100;   //过程完成
        public const int PROCESS_EXCEPTION = 400;   //过程异常
        public const int PROCESS_FAILED = 500;   //过程失败
        public const int PROCESS_QUICK_SETUP_PD_COUNT = 501; //一键配置至少3块硬盘

        public const int SOFTWARE_VERSION_LEN = 48;

        [StructLayout(LayoutKind.Sequential)]
        public struct NET_DVR_SADPINFO
        {
            public NET_DVR_IPADDR struIP;     // 设备IP地址
            public ushort wPort;      // 设备端口号
            public ushort wFactoryType;   // 设备厂家类型
            [MarshalAs(UnmanagedType.ByValTStr, SizeConst = SOFTWARE_VERSION_LEN)]
            public string chSoftwareVersion;
            [MarshalAs(UnmanagedType.ByValTStr, SizeConst = 16)]
            public string chSerialNo; // 序列号
            public ushort wEncCnt;   // 编码通道个数
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = MACADDR_LEN, ArraySubType = UnmanagedType.I1)]
            public byte[] byMACAddr;		// MAC 地址
            public NET_DVR_IPADDR struSubDVRIPMask;   // DVR IP地址掩码
            public NET_DVR_IPADDR struGatewayIpAddr;  // 网关
            public NET_DVR_IPADDR struDnsServer1IpAddr;	/* 域名服务器1的IP地址 */
            public NET_DVR_IPADDR struDnsServer2IpAddr;	/* 域名服务器2的IP地址 */
            public byte byDns;
            public byte byDhcp;
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 158, ArraySubType = UnmanagedType.I1)]
            public byte[] byRes;     // 保留字节
        }

        public const int MAX_SADP_NUM = 256;  //搜索到设备最大数目
        [StructLayout(LayoutKind.Sequential)]
        public struct NET_DVR_SADPINFO_LIST
        {
            public uint dwSize;   //  结构大小
            public ushort wSadpNum;   // 搜索到设备数目
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 6, ArraySubType = UnmanagedType.I1)]
            public byte[] byRes;   // 保留字节
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = MAX_SADP_NUM, ArraySubType = UnmanagedType.Struct)]
            public NET_DVR_SADPINFO[] struSadpInfo; // 搜索
        }

        [StructLayout(LayoutKind.Sequential)]
        public struct NET_DVR_SADP_VERIFY
        {
            [MarshalAs(UnmanagedType.ByValTStr, SizeConst = PASSWD_LEN)]
            public string chPassword;
            public NET_DVR_IPADDR struOldIP;
            public ushort wOldPort;
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 62, ArraySubType = UnmanagedType.I1)]
            public byte[] byRes;
        }
        /***************************** end *********************************************/

        /*******************************备份结构 begin********************************/
        //获取备份设备信息接口定义
        public const int DESC_LEN_32 = 32;   //描述字长度
        public const int MAX_NODE_NUM = 256;  //节点个数

        [StructLayout(LayoutKind.Sequential)]
        public struct NET_DVR_DESC_NODE
        {
            public int iValue;
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = DESC_LEN_32, ArraySubType = UnmanagedType.I1)]
            public byte[] byDescribe; //描述字段 
            public uint dwFreeSpace; //获取磁盘列表专用,单位为M
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 12, ArraySubType = UnmanagedType.I1)]
            public byte[] byRes;			  //保留  
        }

        [StructLayout(LayoutKind.Sequential)]
        public struct NET_DVR_DISKABILITY_LIST
        {
            public uint dwSize;            //结构长度
            public uint dwNodeNum;		 //能力结点个数
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = MAX_NODE_NUM, ArraySubType = UnmanagedType.Struct)]
            public NET_DVR_DESC_NODE[] struDescNode;  //描述参数  
        }

        //备份进度列表
        public const int BACKUP_SUCCESS = 100;  //备份完成
        public const int BACKUP_CHANGE_DEVICE = 101;  //备份设备已满，更换设备继续备份

        public const int BACKUP_SEARCH_DEVICE = 300;  //正在搜索备份设备
        public const int BACKUP_SEARCH_FILE = 301;  //正在搜索录像文件
        public const int BACKUP_SEARCH_LOG_FILE = 302;  //正在搜索日志文件

        public const int BACKUP_EXCEPTION = 400;  //备份异常
        public const int BACKUP_FAIL = 500;  //备份失败

        public const int BACKUP_TIME_SEG_NO_FILE = 501;  //时间段内无录像文件
        public const int BACKUP_NO_RESOURCE = 502;  //申请不到资源
        public const int BACKUP_DEVICE_LOW_SPACE = 503;  //备份设备容量不足
        public const int BACKUP_DISK_FINALIZED = 504;  //刻录光盘封盘
        public const int BACKUP_DISK_EXCEPTION = 505;  //刻录光盘异常
        public const int BACKUP_DEVICE_NOT_EXIST = 506;  //备份设备不存在
        public const int BACKUP_OTHER_BACKUP_WORK = 507;  //有其他备份操作在进行
        public const int BACKUP_USER_NO_RIGHT = 508;  //用户没有操作权限
        public const int BACKUP_OPERATE_FAIL = 509;  //操作失败
        public const int BACKUP_NO_LOG_FILE = 510;  //硬盘中无日志

        //备份过程接口定义
        [StructLayout(LayoutKind.Sequential)]
        public struct NET_DVR_BACKUP_NAME_PARAM
        {
            public uint dwFileNum;   //文件个数
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = MAX_RECORD_FILE_NUM, ArraySubType = UnmanagedType.Struct)]
            public NET_DVR_FINDDATA_V30[] struFileList; //文件列表
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = DESC_LEN_32, ArraySubType = UnmanagedType.I1)]
            public byte[] byDiskDes;   //备份磁盘描述
            public byte byWithPlayer;      //是否备份播放器
            public byte byContinue;    /*是否继续备份 0不继续 1继续*/
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 34, ArraySubType = UnmanagedType.I1)]
            public byte[] byRes;         //保留
        }

        [StructLayout(LayoutKind.Sequential)]
        public struct NET_DVR_BACKUP_TIME_PARAM
        {
            public int lChannel;        //按时间备份的通道
            public NET_DVR_TIME struStartTime;   //备份的起始时间
            public NET_DVR_TIME struStopTime;    //备份的终止时间
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = DESC_LEN_32, ArraySubType = UnmanagedType.I1)]
            public byte[] byDiskDes;     //备份磁盘描述
            public byte byWithPlayer;               //是否备份播放器
            public byte byContinue;                 //是否继续备份 0不继续 1继续
            public byte byDrawFrame;			     //0 不抽帧  1 抽帧
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 33, ArraySubType = UnmanagedType.I1)]
            public byte[] byRes;					 // 保留字节 
        }
        /********************************* end *******************************************/
        public enum COMPRESSION_ABILITY_TYPE
        {
            COMPRESSION_STREAM_ABILITY = 0, //码流压缩类型
            MAIN_RESOLUTION_ABILITY = 1,    //主码流压缩分辨率
            SUB_RESOLUTION_ABILITY = 2, //子码流压缩分辨率
            EVENT_RESOLUTION_ABILITY = 3,  //事件压缩参数分辨率
            FRAME_ABILITY = 4,              //帧率能力
            BITRATE_TYPE_ABILITY = 5,       //位率类型能力
            BITRATE_ABILITY = 6,            //位率上限
            THIRD_RESOLUTION_ABILITY = 7,   //三码流压缩分辨率
            STREAM_TYPE_ABILITY = 8,        //码流类型
            PIC_QUALITY_ABILITY = 9,         //图像质量
            INTERVAL_BPFRAME_ABILITY = 10,  //BP帧间隔
            VIDEO_ENC_ABILITY = 11,           //视频编码能力
            AUDIO_ENC_ABILITY = 12,           //音频编码能力
            VIDEO_ENC_COMPLEXITY_ABILITY = 13, //视频编码复杂度能力
            FORMAT_ABILITY = 14, //封装格式能力
        }

        //能力列表
        [StructLayout(LayoutKind.Sequential)]
        public struct NET_DVR_ABILITY_LIST
        {
            public uint dwAbilityType;	//能力类型 COMPRESSION_ABILITY_TYPE
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 32, ArraySubType = UnmanagedType.I1)]
            public byte[] byRes;        //保留字节
            public uint dwNodeNum;		//能力结点个数
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = MAX_NODE_NUM, ArraySubType = UnmanagedType.Struct)]
            public NET_DVR_DESC_NODE[] struDescNode;  //描述参数  
        }

        public const int MAX_ABILITYTYPE_NUM = 12;   //最大能力项

        // 压缩参数能力列表
        [StructLayout(LayoutKind.Sequential)]
        public struct NET_DVR_COMPRESSIONCFG_ABILITY
        {
            public uint dwSize;            //结构长度
            public uint dwAbilityNum;		//能力类型个数
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = MAX_ABILITYTYPE_NUM, ArraySubType = UnmanagedType.Struct)]
            public NET_DVR_ABILITY_LIST[] struAbilityNode; //描述参数  
        }

        //模式A 
        [StructLayout(LayoutKind.Sequential)]
        public struct NET_DVR_HOLIDATE_MODEA
        {
            public byte byStartMonth;	// 开始月 从1开始
            public byte byStartDay;		// 开始日 从1开始
            public byte byEndMonth;		// 结束月 
            public byte byEndDay;		// 结束日
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 4, ArraySubType = UnmanagedType.I1)]
            public byte[] byRes;		// 保留字节
        }

        [StructLayout(LayoutKind.Sequential)]
        public struct NET_DVR_HOLIDATE_MODEB
        {
            public byte byStartMonth;	// 从1开始
            public byte byStartWeekNum;	// 第几个星期 从1开始 
            public byte byStartWeekday;	// 星期几
            public byte byEndMonth;		// 从1开始
            public byte byEndWeekNum;	// 第几个星期 从1开始 
            public byte byEndWeekday;	// 星期几
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 2, ArraySubType = UnmanagedType.I1)]
            public byte[] byRes;		// 保留字节 
        }

        [StructLayout(LayoutKind.Sequential)]
        public struct NET_DVR_HOLIDATE_MODEC
        {
            public ushort wStartYear;		// 年
            public byte byStartMon;		// 月
            public byte byStartDay;		// 日
            public ushort wEndYear;		// 年
            public byte byEndMon;		// 月
            public byte byEndDay;		// 日
        }

        [StructLayout(LayoutKind.Explicit)]
        public struct NET_DVR_HOLIDATE_UNION
        {
            //联合体大小 12字节
            [FieldOffset(0)]
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 3, ArraySubType = UnmanagedType.U4)]
            public uint[] dwSize;
            /*[FieldOffsetAttribute(0)]
            public NET_DVR_HOLIDATE_MODEA	struModeA;	// 模式A
            [FieldOffsetAttribute(0)]
            public NET_DVR_HOLIDATE_MODEB	struModeB;	// 模式B
            [FieldOffsetAttribute(0)]
            public NET_DVR_HOLIDATE_MODEC	struModeC;	// 模式C
             * */
        }

        public enum HOLI_DATE_MODE
        {
            HOLIDATE_MODEA = 0,
            HOLIDATE_MODEB,
            HOLIDATE_MODEC
        }

        [StructLayout(LayoutKind.Sequential)]
        public struct NET_DVR_HOLIDAY_PARAM
        {
            public byte byEnable;			// 是否启用
            public byte byDateMode;			// 日期模式 0-模式A 1-模式B 2-模式C
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 2, ArraySubType = UnmanagedType.I1)]
            public byte[] byRes1;			// 保留字节
            public NET_DVR_HOLIDATE_UNION uHolidate;	// 假日日期
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = NAME_LEN, ArraySubType = UnmanagedType.I1)]
            public byte[] byName;	// 假日名称
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 20, ArraySubType = UnmanagedType.I1)]
            public byte[] byRes2;			// 保留字节
        }

        public const int MAX_HOLIDAY_NUM = 32;

        [StructLayout(LayoutKind.Sequential)]
        public struct NET_DVR_HOLIDAY_PARAM_CFG
        {
            public uint dwSize;			// 结构体大小
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = MAX_HOLIDAY_NUM, ArraySubType = UnmanagedType.Struct)]
            public NET_DVR_HOLIDAY_PARAM[] struHolidayParam;	// 假日参数
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 40, ArraySubType = UnmanagedType.I1)]
            public byte[] byRes;		// 保留参数
        }

        //假日报警处理方式
        [StructLayout(LayoutKind.Sequential)]
        public struct NET_DVR_HOLIDAY_HANDLE
        {
            public uint dwSize;				// 结构体大小
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = MAX_TIMESEGMENT_V30, ArraySubType = UnmanagedType.Struct)]
            public NET_DVR_SCHEDTIME[] struAlarmTime;	// 布防时间段
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 240, ArraySubType = UnmanagedType.I1)]
            public byte[] byRes2;		// 保留字节
        }

        [StructLayout(LayoutKind.Sequential)]
        public struct NET_DVR_HOLIDAY_RECORD
        {
            public uint dwSize;
            public NET_DVR_RECORDDAY struRecDay;     // 录像参数
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = MAX_TIMESEGMENT_V30, ArraySubType = UnmanagedType.Struct)]
            public NET_DVR_RECORDSCHED[] struRecordSched; // 录像时间段
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 20, ArraySubType = UnmanagedType.I1)]
            public byte[] byRes;      //  保留字节
        }

        public const int MAX_LINK_V30 = 128;

        [StructLayout(LayoutKind.Sequential)]
        public struct NET_DVR_ONE_LINK
        {
            public NET_DVR_IPADDR struIP;     // 客户端IP
            public int lChannel;   // 通道号
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 32, ArraySubType = UnmanagedType.I1)]
            public byte[] byRes;  // 保留字节
        }

        [StructLayout(LayoutKind.Sequential)]
        public struct NET_DVR_LINK_STATUS
        {
            public uint dwSize;      // 结构体大小
            public ushort wLinkNum;    // 连接的数目
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 2, ArraySubType = UnmanagedType.I1)]
            public byte[] byRes1;  // 保留字节
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = MAX_LINK_V30, ArraySubType = UnmanagedType.Struct)]
            public NET_DVR_ONE_LINK[] struOneLink;   // 连接的客户端信息
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 32, ArraySubType = UnmanagedType.I1)]
            public byte[] byRes;  // 保留字节
        }

        public const int MAX_BOND_NUM = 2;

        //单BONDING网卡配置结构体
        [StructLayout(LayoutKind.Sequential, CharSet = CharSet.Ansi)]
        public struct NET_DVR_ONE_BONDING
        {
            public byte byMode;
            public byte byUseDhcp;
            public byte byMasterCard;
            public byte byStatus;
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = MAX_NETWORK_CARD, ArraySubType = UnmanagedType.I1)]
            public byte[] byBond;
            public NET_DVR_ETHERNET_V30 struEtherNet;
            public NET_DVR_IPADDR struGatewayIpAddr;
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 20, ArraySubType = UnmanagedType.I1)]
            public byte[] byRes;
        }

        //BONDING网卡配置结构体
        [StructLayout(LayoutKind.Sequential, CharSet = CharSet.Ansi)]
        public struct NET_DVR_NETWORK_BONDING
        {
            public uint dwSize;
            public byte byEnable;
            public byte byNum;
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 2, ArraySubType = UnmanagedType.I1)]
            public byte[] byRes1;
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = MAX_BOND_NUM, ArraySubType = UnmanagedType.Struct)]
            public NET_DVR_ONE_BONDING[] struOneBond;
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 40, ArraySubType = UnmanagedType.I1)]
            public byte[] byRes2;
        }


        //磁盘配额
        [StructLayout(LayoutKind.Sequential)]
        public struct NET_DVR_DISK_QUOTA
        {
            public byte byQuotaType;	 // 磁盘配额类型,1 - 按容量 
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 7, ArraySubType = UnmanagedType.I1)]
            public byte[] byRes1;       // 保留字节
            public uint dwHCapacity;     // 分配的磁盘容量高32位 单位MB
            public uint dwLCapacity;     // 分配的磁盘容量低32位 单位MB
            public uint dwHUsedSpace;    // 已使用的磁盘大小高32位 单位MB
            public uint dwLUsedSpace;    // 已使用的磁盘大小低32位 单位MB
            public byte byQuotaRatio;    //	分配的磁盘比例,单位:%
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 21, ArraySubType = UnmanagedType.I1)]
            public byte[] byRes2;      // 保留字节
        }

        [StructLayout(LayoutKind.Sequential)]
        public struct NET_DVR_DISK_QUOTA_CFG
        {
            public uint dwSize;         // 结构体大小
            public NET_DVR_DISK_QUOTA struPicQuota;    //  图片配额
            public NET_DVR_DISK_QUOTA struRecordQuota;    //  录像配额
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 60, ArraySubType = UnmanagedType.I1)]
            public byte[] byRes;      //保留字节
        }

        [StructLayout(LayoutKind.Sequential)]
        public struct NET_DVR_TIMING_CAPTURE
        {
            public NET_DVR_JPEGPARA struJpegPara;   // 定时抓图图片质量
            public uint dwPicInterval; //定时抓图时间间隔,单位s   1-1s 2-2s 3-3s 4-4s 5-5s 
                                       //6-10m 7-30m 8-1h 9-12h 10-24h
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 12, ArraySubType = UnmanagedType.I1)]
            public byte[] byRes;      // 保留字节
        }

        [StructLayout(LayoutKind.Sequential)]
        public struct NET_DVR_REL_CAPTURE_CHAN
        {
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 16, ArraySubType = UnmanagedType.I1)]
            public byte[] byChan;    // 按位表示
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 20, ArraySubType = UnmanagedType.I1)]
            public byte[] byRes;          // 保留字节
        }

        public const int MAX_PIC_EVENT_NUM = 32;
        public const int MAX_ALARMIN_CAPTURE = 16;

        [StructLayout(LayoutKind.Sequential)]
        public struct NET_DVR_REL_CAPTURE_CHAN_V40
        {
            public uint dwMaxRelCaptureChanNum;  //最大可触发的关联通道数-只读属性
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = MAX_CHANNUM_V40, ArraySubType = UnmanagedType.U4)]
            public uint[] dwChanNo; //触发的关联抓图通道号，按值表示，采用紧凑型排列,0xffffffff表示后续无效
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 32, ArraySubType = UnmanagedType.I1)]
            public byte[] byRes;
        }

        [StructLayout(LayoutKind.Sequential)]
        public struct NET_DVR_EVENT_CAPTURE_V40
        {
            public NET_DVR_JPEGPARA struJpegPara;   // 事件抓图图片质量
            public uint dwPicInterval;   // 事件抓图时间间隔  单位为秒 
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = MAX_PIC_EVENT_NUM, ArraySubType = UnmanagedType.Struct)]
            public NET_DVR_REL_CAPTURE_CHAN_V40[] struRelCaptureChan;   // 数组下标 0 移动侦测触发抓图 1 视频遮挡触发抓图 2 视频丢失触发抓图,数组3表示PIR报警抓图，数组4表示无线报警抓图，数组5表示呼救报警抓图,数组6表示智能抓图
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = MAX_ALARMIN_CAPTURE, ArraySubType = UnmanagedType.Struct)]
            public NET_DVR_REL_CAPTURE_CHAN_V40[] struAlarmInCapture;    // 报警输入触发抓图，下标0 代表报警输入1 依次类推
            public uint dwMaxGroupNum;  //设备支持的最大报警输入组数，每组16个报警输入
            public byte byCapTimes; //抓图张数
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 59, ArraySubType = UnmanagedType.I1)]
            public byte[] byRes;
        }

        [StructLayout(LayoutKind.Sequential)]
        public struct NET_DVR_EVENT_CAPTURE
        {
            public NET_DVR_JPEGPARA struJpegPara;   // 事件抓图图片质量
            public uint dwPicInterval;  /*事件抓图时间间隔  单位为秒  1-1s 2-2s 3-3s 4-4s 5-5s 
                                             * 6-10m 7-30m 8-1h 9-12h 10-24h*/
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = MAX_PIC_EVENT_NUM, ArraySubType = UnmanagedType.Struct)]
            public NET_DVR_REL_CAPTURE_CHAN[] struRelCaptureChan; /* 数组下标 0 移动侦测触发抓图 1 视频遮挡触发抓图,
                                                                   * 2 视频丢失触发抓图,数组3表示PIR报警抓图，数组4表示无线报警抓图，
                                                                   * 数组5表示呼救报警抓图,数组6表示智能抓图， 数组7表示人脸侦测*/
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = MAX_ALARMIN_CAPTURE, ArraySubType = UnmanagedType.Struct)]
            public NET_DVR_REL_CAPTURE_CHAN[] struAlarmInCapture;  //报警输入触发抓图，下标0 代表报警输入1 依次类推
            public byte byCapTimes; //抓图张数
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 59, ArraySubType = UnmanagedType.I1)]
            public byte[] byRes;
        }

        [StructLayout(LayoutKind.Sequential)]
        public struct NET_DVR_JPEG_CAPTURE_CFG_V40
        {
            public uint dwSize;               //结构体长度
            public NET_DVR_TIMING_CAPTURE struTimingCapture;
            public NET_DVR_EVENT_CAPTURE_V40 struEventCapture;
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 20, ArraySubType = UnmanagedType.I1)]
            public byte[] byRes3;     // 保留字节
        }

        [StructLayout(LayoutKind.Sequential)]
        public struct NET_DVR_JPEG_CAPTURE_CFG
        {
            public uint dwSize;         // 结构体大小
            public NET_DVR_TIMING_CAPTURE struTimingCapture;
            public NET_DVR_EVENT_CAPTURE struEventCapture;
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 20, ArraySubType = UnmanagedType.I1)]
            public byte[] byRes3;     // 保留字节
        }

        [StructLayout(LayoutKind.Sequential)]
        public struct NET_DVR_CAPTURE_DAY
        {
            public byte byAllDayCapture;	// 是否全天抓图
            public byte byCaptureType;		// 抓图类型：0-定时抓图，1-移动侦测抓图，2-报警抓图，3-移动侦测或报警抓图，4-移动侦测和报警抓图，6-智能报警抓图
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 2, ArraySubType = UnmanagedType.I1)]
            public byte[] byRes;
        }

        [StructLayout(LayoutKind.Sequential)]
        public struct NET_DVR_CAPTURE_SCHED
        {
            public NET_DVR_SCHEDTIME struCaptureTime;        // 抓图时间段
            public byte byCaptureType;       // 抓图类型：0-定时抓图，1-移动侦测抓图，2-报警抓图，3-移动侦测或报警抓图，4-移动侦测和报警抓图，6-智能报警抓图
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 3, ArraySubType = UnmanagedType.I1)]
            public byte[] byRes;           // 保留字节
        }

        //通道抓图计划
        [StructLayout(LayoutKind.Sequential)]
        public struct NET_DVR_SCHED_CAPTURECFG
        {
            public uint dwSize;     //结构体
            public byte byEnable;	//是否抓图
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 3, ArraySubType = UnmanagedType.I1)]
            public byte[] byRes1;	//保留字节
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = MAX_DAYS, ArraySubType = UnmanagedType.Struct)]
            public NET_DVR_CAPTURE_DAY[] struCaptureDay;//全天抓图计划
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = MAX_DAYS * MAX_TIMESEGMENT_V30, ArraySubType = UnmanagedType.Struct)]
            public NET_DVR_CAPTURE_SCHED[] struCaptureSched;//时间段抓图布防计划
            public NET_DVR_CAPTURE_DAY struCaptureHoliday;	//假日抓图计划
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = MAX_TIMESEGMENT_V30, ArraySubType = UnmanagedType.Struct)]
            public NET_DVR_CAPTURE_SCHED[] struHolidaySched;	//时间段假日抓图布防计划
            public uint dwRecorderDuration;	//抓图保存最长时间 0xffffffff表示该值无效 
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 40, ArraySubType = UnmanagedType.I1)]
            public byte[] byRes;			//保留字节
        }

        [StructLayout(LayoutKind.Sequential)]
        public struct NET_DVR_FLOW_TEST_PARAM
        {
            public uint dwSize;              //结构大小
            public int lCardIndex;         //网卡索引
            public uint dwInterval;         //设备上传流量时间间隔, 单位:100ms
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 8, ArraySubType = UnmanagedType.I1)]
            public byte[] byRes;           //保留字节
        }

        [StructLayout(LayoutKind.Sequential)]
        public struct NET_DVR_FLOW_INFO
        {
            public uint dwSize;             //结构大小
            public uint dwSendFlowSize;     //发送流量大小,单位kbps
            public uint dwRecvFlowSize;     //接收流量大小,单位kbps
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 20, ArraySubType = UnmanagedType.I1)]
            public byte[] byRes;          //保留 
        }

        //录像标签
        public const int LABEL_NAME_LEN = 40;
        [StructLayout(LayoutKind.Sequential)]
        public struct NET_DVR_RECORD_LABEL
        {
            public uint dwSize;					// 结构体大小
            public NET_DVR_TIME struTimeLabel;			// 标签的时间 
            public byte byQuickAdd;				// 是否快速添加 快速添加时标签名称无效
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 3, ArraySubType = UnmanagedType.I1)]
            public byte[] byRes1;				// 保留字节
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = LABEL_NAME_LEN, ArraySubType = UnmanagedType.I1)]
            public byte[] sLabelName;	// 标签的名称 长度为40字节  
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 40, ArraySubType = UnmanagedType.I1)]
            public byte[] byRes2;				// 保留字节
        }

        public const int LABEL_IDENTIFY_LEN = 64;

        [StructLayout(LayoutKind.Sequential)]
        public struct NET_DVR_LABEL_IDENTIFY
        {
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = LABEL_IDENTIFY_LEN, ArraySubType = UnmanagedType.I1)]
            public byte[] sLabelIdentify;    // 64字节标识
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 8, ArraySubType = UnmanagedType.I1)]
            public byte[] byRes;               // 保留字节
        }

        public const int MAX_DEL_LABEL_IDENTIFY = 20;// 删除的最大标签标识个数

        [StructLayout(LayoutKind.Sequential)]
        public struct NET_DVR_DEL_LABEL_PARAM
        {
            public uint dwSize;       // 结构体大小
            public byte byMode;   // 按位表示,0x01表示按标识删除
            public byte byRes1;
            public ushort wLabelNum;      // 标签数目   
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = MAX_DEL_LABEL_IDENTIFY, ArraySubType = UnmanagedType.Struct)]
            public NET_DVR_LABEL_IDENTIFY[] struIndentify; // 标签标识
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 160, ArraySubType = UnmanagedType.I1)]
            public byte[] byRes2;   //保留字节    
        }

        [StructLayout(LayoutKind.Sequential)]
        public struct NET_DVR_MOD_LABEL_PARAM
        {
            public NET_DVR_LABEL_IDENTIFY struIndentify; //要修改的标签标识
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 24, ArraySubType = UnmanagedType.I1)]
            public byte[] byRes1;
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = LABEL_NAME_LEN, ArraySubType = UnmanagedType.I1)]
            public byte[] sLabelName;	//修改后的标签名称
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 40, ArraySubType = UnmanagedType.I1)]
            public byte[] byRes2;
        }

        //标签搜索结构体
        [StructLayout(LayoutKind.Sequential)]
        public struct NET_DVR_FIND_LABEL
        {
            public uint dwSize;          // 结构体大小
            public int lChannel;		// 查找的通道
            public NET_DVR_TIME struStartTime;	// 开始时间
            public NET_DVR_TIME struStopTime;	// 结束时间
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = LABEL_NAME_LEN, ArraySubType = UnmanagedType.I1)]
            public byte[] sLabelName;	//  录像标签名称 如果标签名称为空，则搜索起止时间所有标签
            public byte byDrawFrame;		//0:不抽帧，1：抽帧
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 39, ArraySubType = UnmanagedType.I1)]
            public byte[] byRes;		// 保留字节
        }

        //标签信息结构体
        [StructLayout(LayoutKind.Sequential)]
        public struct NET_DVR_FINDLABEL_DATA
        {
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = LABEL_NAME_LEN, ArraySubType = UnmanagedType.I1)]
            public byte[] sLabelName;	// 标签名称
            public NET_DVR_TIME struTimeLabel;		// 标签时间
            public NET_DVR_LABEL_IDENTIFY struLabelIdentify; // 标签标识
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 32, ArraySubType = UnmanagedType.I1)]
            public byte[] byRes1;			// 保留字节
        }

        public const int CARDNUM_LEN_V30 = 40;
        [StructLayout(LayoutKind.Sequential)]
        public struct NET_DVR_FIND_PICTURE_PARAM
        {
            public uint dwSize;        //结构体大小 
            public int lChannel;       //通道号
            public byte byFileType;   /* 查找的图片类型:0定时抓图1 移动侦测抓图 2 报警抓图3  报警 | 移动侦测抓图 4 报警 & 移动侦测抓图
                                       * 6 手动抓图 ,9-智能图片,10- PIR报警，11- 无线报警，12- 呼救报警,0xa 预览时截图，0xd 人脸侦测, 
                                       * 0xe 越界侦测，0xf 入侵区域侦测，0x10 场景变更侦测, 0x11-设备本地回放时截图, 0x12-智能侦测，
                                       * 0xff- 全部类型 2013-07-16*/
            public byte byNeedCard;     //是否需要卡号
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 2, ArraySubType = UnmanagedType.I1)]
            public byte[] byRes1;      // 保留字节
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = CARDNUM_LEN_V30, ArraySubType = UnmanagedType.I1)]
            public byte[] sCardNum;     // 卡号
            public NET_DVR_TIME struStartTime;//查找图片的开始时间
            public NET_DVR_TIME struStopTime;// 查找图片的结束时间
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 40, ArraySubType = UnmanagedType.I1)]
            public byte[] byRes2;     // 保留字节
        }

        public const int PICTURE_NAME_LEN = 64;

        [StructLayout(LayoutKind.Sequential)]
        public struct NET_DVR_FIND_PICTURE
        {
            [MarshalAs(UnmanagedType.ByValTStr, SizeConst = PICTURE_NAME_LEN)]
            public string sFileName;//图片名
            public NET_DVR_TIME struTime;//图片的时间
            public uint dwFileSize;//图片的大小
            [MarshalAs(UnmanagedType.ByValTStr, SizeConst = CARDNUM_LEN_V30)]
            public string sCardNum;	//卡号
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 32, ArraySubType = UnmanagedType.I1)]
            public byte[] byRes;		//  保留字节
        }

        public const int MAX_RECORD_PICTURE_NUM = 50;   //最大备份图片张数  

        [StructLayout(LayoutKind.Sequential)]
        public struct NET_DVR_BACKUP_PICTURE_PARAM
        {
            public uint dwSize;         // 结构体大小   
            public uint dwPicNum;
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = MAX_RECORD_PICTURE_NUM, ArraySubType = UnmanagedType.Struct)]
            public NET_DVR_FIND_PICTURE[] struPicture;
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = DESC_LEN_32, ArraySubType = UnmanagedType.I1)]
            public byte[] byDiskDes;
            public byte byWithPlayer;
            public byte byContinue;    /*是否继续备份 0不继续 1继续*/
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 34, ArraySubType = UnmanagedType.I1)]
            public byte[] byRes;
        }

        [StructLayout(LayoutKind.Sequential)]
        public struct NET_DVR_COMPRESSION_LIMIT
        {
            public uint dwSize;           //结构体大小
            public uint dwChannel;        //通道号
            public byte byCompressType;   //待获取的压缩参数类型1,主码流2,子码流3,事件
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 15, ArraySubType = UnmanagedType.I1)]
            public byte[] byRes;        //保留
            public NET_DVR_COMPRESSIONCFG_V30 struCurrentCfg; //当前压缩参数配置
        }

        public const int STEP_READY = 0;    //准备升级
        public const int STEP_RECV_DATA = 1;    //接收升级包数据
        public const int STEP_UPGRADE = 2;    //升级系统
        public const int STEP_BACKUP = 3;    //备份系统
        public const int STEP_SEARCH = 255;  //搜索升级文件

        [StructLayout(LayoutKind.Sequential)]
        public struct NET_DVR_VIDEO_EFFECT
        {
            public uint dwBrightValue;      //亮度[0,255]
            public uint dwContrastValue;    //对比度[0,255]
            public uint dwSaturationValue;  //饱和度[0,255]
            public uint dwHueValue;         //色调[0,255]
            public uint dwSharpness;		  //锐度[0,255]
            public uint dwDenoising;		  //去噪[0,255]
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 12, ArraySubType = UnmanagedType.I1)]
            public byte[] byRes;
        }

        [StructLayout(LayoutKind.Sequential)]
        public struct NET_DVR_VIDEO_INPUT_EFFECT
        {
            public uint dwSize;				//结构体大小
            public ushort wEffectMode;        //模式 0-标准 1-室内 2-弱光 3-室外  255-自定义
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 146, ArraySubType = UnmanagedType.I1)]
            public byte[] byRes1;        //保留
            public NET_DVR_VIDEO_EFFECT struVideoEffect;	//视频效果参数
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 60, ArraySubType = UnmanagedType.I1)]
            public byte[] byRes2;			//保留
        }

        [StructLayout(LayoutKind.Sequential)]
        public struct NET_DVR_VIDEOPARA_V40
        {
            public uint dwChannel;			// 通道号
            public uint dwVideoParamType;  	// 视频参数类型 0-亮度 1-对比度 2-饱和度 3-色度 4-锐度 5-去噪
            public uint dwVideoParamValue;  //对应的视频参数值，范围依据能力集
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 12, ArraySubType = UnmanagedType.I1)]
            public byte[] byRes;
        }

        [StructLayout(LayoutKind.Sequential)]
        public struct NET_DVR_DEFAULT_VIDEO_COND
        {
            public uint dwSize;			// 结构体大小
            public uint dwChannel;		// 通道号
            public uint dwVideoMode;	// 模式
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 32, ArraySubType = UnmanagedType.I1)]
            public byte[] byRes;      // 保留
        }

        [StructLayout(LayoutKind.Sequential)]
        public struct NET_DVR_ENCODE_JOINT_PARAM
        {
            public uint dwSize;			// 结构体大小
            public byte byJointed;		//  0 没有关联 1 已经关联
            public byte byDevType;		// 被关联的设备类型  1 代表智能设备
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 2, ArraySubType = UnmanagedType.I1)]
            public byte[] byRes1;		// 保留字节
            public NET_DVR_IPADDR struIP;			// 关联的被取流设备IP地址
            public ushort wPort;			// 关联的被取流设备端口号
            public ushort wChannel;		// 关联的被取流设备通道号
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 20, ArraySubType = UnmanagedType.I1)]
            public byte[] byRes2;			// 保留字节
        }

        [StructLayout(LayoutKind.Sequential)]
        public struct NET_DVR_VCA_CHAN_WORKSTATUS
        {
            public byte byJointed;				// 0-没有关联  1-已经关联
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 3, ArraySubType = UnmanagedType.I1)]
            public byte[] byRes1;
            public NET_DVR_IPADDR struIP;					// 关联的取流设备IP地址
            public ushort wPort;					// 关联的取流设备端口号
            public ushort wChannel;				// 关联的取流设备通道号
            public byte byVcaChanStatus;		// 0 - 未启用 1 - 启用
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 19, ArraySubType = UnmanagedType.I1)]
            public byte[] byRes2;				// 保留字节
        }

        [StructLayout(LayoutKind.Sequential)]
        public struct NET_DVR_VCA_DEV_WORKSTATUS
        {
            public uint dwSize;			// 结构体大小
            public byte byDeviceStatus;	// 设备的状态0 - 正常工作 1- 不正常工作
            public byte byCpuLoad;		// CPU使用率0-100 分别代表使用百分率
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = MAX_VCA_CHAN, ArraySubType = UnmanagedType.Struct)]
            public NET_DVR_VCA_CHAN_WORKSTATUS[] struVcaChanStatus;
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 40, ArraySubType = UnmanagedType.U4)]
            public uint[] dwRes;		// 保留字节
        }

        [StructLayout(LayoutKind.Sequential)]
        public struct UNION_VIDEOPLATFORM_V40
        {
            /*各个子窗口对应解码通道所对应的解码子系统的槽位号(对于视频综合平台中解码子系统有效)*/
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = MAX_WINDOWS, ArraySubType = UnmanagedType.I1)]
            public byte[] byJoinDecoderId;
            //显示窗口所解视频分辨率，1-D1,2-720P,3-1080P，设备端需要根据此//分辨率进行解码通道的分配，如1分屏配置成1080P，则设备会把4个解码通
            //道都分配给此解码通道
            public byte byDecResolution;
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 143, ArraySubType = UnmanagedType.I1)]
            public byte[] byRes;
        }

        [StructLayout(LayoutKind.Sequential)]
        public struct UNION_NOTVIDEOPLATFORM_V40
        {
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 160, ArraySubType = UnmanagedType.I1)]
            public byte[] byRes;
        }

        [StructLayout(LayoutKind.Sequential)]
        public struct NET_DVR_VGA_DISP_CHAN_CFG_V40
        {
            public uint dwSize;
            public byte byAudio;			/*音频是否开启*/
            public byte byAudioWindowIdx;      /*音频开启子窗口*/
            public byte byVgaResolution;      /*分辨率，从能力集获取*/
            public byte byVedioFormat;         /*1:NTSC,2:PAL，0-NULL*/
            public uint dwWindowMode;       /*画面模式，能力集获取*/
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = MAX_WINDOWS, ArraySubType = UnmanagedType.I1)]
            public byte[] byJoinDecChan;/*各个子窗口关联的解码通道*/
            public byte byEnlargeStatus;          /*是否处于放大状态，0：不放大，1：放大*/
            public byte byEnlargeSubWindowIndex;//放大的子窗口号
            public byte byScale; /*显示模式，0---真实显示，1---缩放显示( 针对BNC )*/
                                 /*区分共用体，0-视频综合平台内部解码器显示通道配置，1-其他解码器显示通道配置*/
            public byte byUnionType;

            [StructLayout(LayoutKind.Explicit)]
            public struct struDiff
            {
                [FieldOffset(0)]
                [MarshalAs(UnmanagedType.ByValArray, SizeConst = 160, ArraySubType = UnmanagedType.I1)]
                public byte[] byRes;

                /*[FieldOffsetAttribute(0)]
                public UNION_VIDEOPLATFORM_V40 struVideoPlatform;

                [FieldOffsetAttribute(0)]
                public UNION_NOTVIDEOPLATFORM_V40 struNotVideoPlatform;
                 * */
            }
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 120, ArraySubType = UnmanagedType.I1)]
            public byte[] byRes;
        }

        [StructLayout(LayoutKind.Sequential)]
        public struct NET_DVR_V6SUBSYSTEMPARAM
        {
            public byte bySerialTrans;//是否透传，0-否，1-是
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 35, ArraySubType = UnmanagedType.I1)]
            public byte[] byRes;
        }

        public const int NET_DVR_V6PSUBSYSTEMARAM_GET = 1501;//获取V6子系统配置
        public const int NET_DVR_V6PSUBSYSTEMARAM_SET = 1502;//设置V6子系统配置

        [StructLayout(LayoutKind.Sequential)]
        public struct NET_DVR_CORRECT_DEADPIXEL_PARAM
        {
            public uint dwSize;
            public uint dwCommand; //命令：0-进入坏点模式，1-添加坏点，2-保存坏点，3-退出坏点
            public uint dwDeadPixelX; //坏点X坐标
            public uint dwDeadPixelY; //坏点Y坐标
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 12, ArraySubType = UnmanagedType.I1)]
            public byte[] byRes; //保留
        }

        public const int MAX_REDAREA_NUM = 6;   //最大红绿灯区域个数

        [StructLayout(LayoutKind.Sequential)]
        public struct NET_DVR_REDAREACFG
        {
            public uint dwSize;
            public uint dwCorrectEnable; //是否开启校正功能，0-关闭，1-开启
            public uint dwCorrectLevel; //校正级别，1(校正度最低)-10(校正度最高),默认为5
            public uint dwAreaNum; //校正区域个数
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = MAX_REDAREA_NUM, ArraySubType = UnmanagedType.Struct)]
            public NET_VCA_RECT[] struLaneRect; //校正区域
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 32, ArraySubType = UnmanagedType.I1)]
            public byte[] byRes2; //保留
        }

        [StructLayout(LayoutKind.Sequential)]
        public struct NET_DVR_HISTORICDATACFG
        {
            public uint dwSize;
            public uint dwTotalNum;  //历史数据个数
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 16, ArraySubType = UnmanagedType.I1)]
            public byte[] byRes;
        }

        public const int INQUEST_MESSAGE_LEN = 44;    //审讯重点标记信息长度
        public const int INQUEST_MAX_ROOM_NUM = 2;    //最大审讯室个数
        public const int MAX_RESUME_SEGMENT = 2;     //支持同时恢复的片段数目

        [StructLayout(LayoutKind.Sequential)]
        public struct NET_DVR_INQUEST_ROOM
        {
            public byte byRoomIndex;     //审讯室编号
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 23, ArraySubType = UnmanagedType.I1)]
            public byte[] byRes;       //保留
        }

        [StructLayout(LayoutKind.Sequential)]
        public struct NET_DVR_INQUEST_MESSAGE
        {
            [MarshalAs(UnmanagedType.ByValTStr, SizeConst = INQUEST_MESSAGE_LEN)]
            public string sMessage; //重点标记信息
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 46, ArraySubType = UnmanagedType.I1)]
            public byte[] byRes;                     //保留
        }

        [StructLayout(LayoutKind.Sequential)]
        public struct NET_DVR_INQUEST_SENSOR_DEVICE
        {
            public ushort wDeviceType;	//数据采集设备型号:0-无 1-米乐 2-镭彩 3-优力 4-佳盟 5-永控、6-垅上、7-维纳斯达
            public ushort wDeviceAddr;	//数据采集设备地址	
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 28, ArraySubType = UnmanagedType.I1)]
            public byte[] byRes;	    //保留
        }

        [StructLayout(LayoutKind.Sequential)]
        public struct NET_DVR_INQUEST_SENSOR_INFO
        {
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = INQUEST_MAX_ROOM_NUM, ArraySubType = UnmanagedType.Struct)]
            public NET_DVR_INQUEST_SENSOR_DEVICE[] struSensorDevice;
            public uint dwSupportPro;      //支持协议类型,按位表示, 新版本走能力集，不再扩展此字段
                                           //0x1:米乐 0x2:镭彩 0x4:优力
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 120, ArraySubType = UnmanagedType.I1)]
            public byte[] byRes;        //保留
        }

        [StructLayout(LayoutKind.Sequential)]
        public struct NET_DVR_INQUEST_ROOM_INFO
        {
            [MarshalAs(UnmanagedType.ByValTStr, SizeConst = NAME_LEN)]
            public string szCDName;	//光盘名称，单室双刻光盘名称是一样的
            [StructLayout(LayoutKind.Explicit)]
            public struct uCalcMode
            {
                [FieldOffset(0)]
                public byte byBitRate;  // byCalcType为0时有效，(0-32、1-48、2-64、3-80、4-96、5-128、
                                        //6-160、7-192、8-224、9-256、10-320、11-384、12-448、
                                        //13-512、14-640、15-768、16-896前16个值保留)17-1024、18-1280、19-1536、
                                        //20-1792、21-2048、22-3072、23-4096、24-8192
                [FieldOffset(0)]
                public byte byInquestTime;  // byCalcType为1时有效，0-1小时, 1-2小时,2-3小时,3-4小时, 4-6小时,5-8小时
                                            //8-16小时, 9-20小时,10-22小时,11-24小时
            }
            public byte byCalcType;			//刻录计算类型0-按码率 1-按时间
            public byte byAutoDelRecord;	// 是否自动删除录像，0-不删除，即结束时保存录像 1-删除
            public byte byAlarmThreshold;		// 声音报警阀值
            public byte byInquestChannelResolution;     //审讯通道分辨率，0:720P  1:1080P
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 11, ArraySubType = UnmanagedType.I1)]
            public byte[] byRes;
        }

        [StructLayout(LayoutKind.Sequential)]
        public struct NET_DVR_INQUEST_SYSTEM_INFO
        {
            public uint dwRecordMode;         //刻录模式:1 单室双刻模式 2 单室轮刻模式 3 双室双刻模式（修改需要重启设备）
            public uint dwWorkMode;           //工作模式:0 标准模式 1 通用模式(保留，目前只有标准模式)
            public uint dwResolutionMode;     //设备分辨率，0:标清 1:D1 2:720P 3:1080P（高清审讯机不用此字段）
            public NET_DVR_INQUEST_SENSOR_INFO struSensorInfo;  //温湿度传感器配置
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = INQUEST_MAX_ROOM_NUM, ArraySubType = UnmanagedType.Struct)]
            public NET_DVR_INQUEST_ROOM_INFO[] struInquestRoomInfo;
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 24, ArraySubType = UnmanagedType.I1)]
            public byte[] byRes;
        }

        [StructLayout(LayoutKind.Sequential)]
        public struct NET_DVR_INQUEST_RESUME_SEGMENT
        {
            public NET_DVR_TIME struStartTime; //事件起始时间
            public NET_DVR_TIME struStopTime;  //事件终止时间
            public byte byRoomIndex;         //审讯室编号,从1开始
            public byte byDriveIndex;        //刻录机编号,从1开始
            public ushort wSegmetSize;         //本片断的大小, 单位M 
            public uint dwSegmentNo;         //本片断在本次审讯中的序号,从1开始 
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 24, ArraySubType = UnmanagedType.I1)]
            public byte[] byRes;           //保留
        }

        [StructLayout(LayoutKind.Sequential)]
        public struct NET_DVR_INQUEST_RESUME_EVENT
        {
            public uint dwResumeNum;       //需恢复的事件个数
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = MAX_RESUME_SEGMENT, ArraySubType = UnmanagedType.Struct)]
            public NET_DVR_INQUEST_RESUME_SEGMENT[] struResumeSegment;
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 200, ArraySubType = UnmanagedType.I1)]
            public byte[] byRes;        //保留
        }

        [StructLayout(LayoutKind.Sequential)]
        public struct NET_DVR_INQUEST_DEVICE_VERSION
        {
            public byte byMainVersion;         /*基线主版本.
								   0 : 未知
								   1 : 8000审讯DVR
								       次版本: 1 : 8000HD-S
								   2 : 8100审讯DVR 
									   次版本: 1 : 审讯81SNL
											   2 : 审讯81SH
											   3 : 审讯81SFH
								   3 : 8608高清审讯机NVR 
									   次版本: 1 : DS-8608SN-SP
											   2 : DS-8608SN-ST
									  */
            public byte bySubVersion;          //基线次版本
            public byte byUpgradeVersion;      //升级版本,未升级为0
            public byte byCustomizeVersion;     //定制版本,非定制为0
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 60, ArraySubType = UnmanagedType.I1)]
            public byte[] byRes;             //保留
        }

        [StructLayout(LayoutKind.Sequential)]
        public struct NET_DVR_DISK_RAID_INFO
        {
            public uint dwSize;   //结构体大小
            public byte byEnable;  //磁盘Raid是否禁用
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 35, ArraySubType = UnmanagedType.I1)]
            public byte[] byRes;  //保留字节
        }

        [StructLayout(LayoutKind.Sequential)]
        public struct NET_DVR_SYNCHRONOUS_IPC
        {
            public uint dwSize;    //结构体大小
            public byte byEnable;  //是否启用：为前端IPC同步设备参数
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 7, ArraySubType = UnmanagedType.I1)]
            public byte[] byRes;  //保留
        }

        [StructLayout(LayoutKind.Sequential)]
        public struct NET_DVR_IPC_PASSWD
        {
            public uint dwSize;    //结构体大小
            [MarshalAs(UnmanagedType.ByValTStr, SizeConst = PASSWD_LEN)]
            public string sOldPasswd;  //IPC的旧密码，传给DVR让DVR验证
            [MarshalAs(UnmanagedType.ByValTStr, SizeConst = PASSWD_LEN)]
            public string sNewPasswd;  //IPC的新密码
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 32, ArraySubType = UnmanagedType.I1)]
            public byte[] byRes;
        }

        //通过获取DVR的网络状态：单位bps
        [StructLayout(LayoutKind.Sequential)]
        public struct NET_DEVICE_NET_USING_INFO
        {
            public uint dwSize;    //结构体大小
            public uint dwPreview;   //预览
            public uint dwPlayback;  //回放
            public uint dwIPCModule; //IPC接入
            public uint dwNetDiskRW; //网盘读写
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 32, ArraySubType = UnmanagedType.I1)]
            public byte[] res;
        }

        //通过DVR设置前端IPC的IP地址
        [StructLayout(LayoutKind.Sequential)]
        public struct NET_DVR_IPC_NETCFG
        {
            public uint dwSize;      //结构体大小
            public NET_DVR_IPADDR struIP;       //IPC的IP地址
            public ushort wPort;       //IPC的端口
            [MarshalAs(UnmanagedType.ByValTStr, SizeConst = 126)]
            public string res;
        }

        //按时间锁定
        [StructLayout(LayoutKind.Sequential)]
        public struct NET_DVR_TIME_LOCK
        {
            public uint dwSize;      //结构体大小
            public NET_DVR_TIME strBeginTime;
            public NET_DVR_TIME strEndTime;
            public uint dwChannel;        //通道号, 0xff表示所有通道
            public uint dwRecordType;     //录像类型:  0xffffffff－全部，0－定时录像，1-移动侦测，2－报警触发，3-报警触发或移动侦测，4-报警触发和移动侦测，5-命令触发，6-手动录像，7-智能录像(同文件查找)
            public uint dwLockDuration;   //锁定持续时间,单位秒,0xffffffff表示永久锁定
            public NET_DVR_TIME_EX strUnlockTimePoint;	//加锁时有效，当dwLockDuration不为永久锁定时，锁定持续的时间到此时间点就自动解锁
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 4, ArraySubType = UnmanagedType.I1)]
            public byte[] byRes;
        }

        [StructLayout(LayoutKind.Sequential)]
        public struct NET_DVR_LOCK_RETURN
        {
            public uint dwSize;      //结构体大小
            public NET_DVR_TIME strBeginTime;
            public NET_DVR_TIME strEndTime;
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 20, ArraySubType = UnmanagedType.I1)]
            public byte[] byRes;
        }

        //67DVS
        //证书下载类型
        public enum NET_SDK_UPLOAD_TYPE
        {
            UPGRADE_CERT_FILE = 0,
            UPLOAD_CERT_FILE = 1,
            TRIAL_CERT_FILE = 2,
            CONFIGURATION_FILE = 3
        }

        public enum NET_SDK_DOWNLOAD_TYPE
        {
            NET_SDK_DOWNLOAD_CERT = 0,      //下载证书
            NET_SDK_DOWNLOAD_IPC_CFG_FILE = 1,//下载IPC配置文件
            NET_SDK_DOWNLOAD_BASELINE_SCENE_PIC = 2, //下载基准场景图片
            NET_SDK_DOWNLOAD_VQD_ALARM_PIC = 3,       //下载VQD报警图片
            NET_SDK_DOWNLOAD_CONFIGURATION_FILE = 4   //下载配置文件
        }

        //下载状态
        public enum NET_SDK_DOWNLOAD_STATUS
        {
            NET_SDK_DOWNLOAD_STATUS_SUCCESS = 1,    //下载成功
            NET_SDK_DOWNLOAD_STATUS_PROCESSING,     //正在下载
            NET_SDK_DOWNLOAD_STATUS_FAILED,         //下载失败
            NET_SDK_DOWNLOAD_STATUS_UNKOWN_ERROR    //未知错误 
        }

        [StructLayout(LayoutKind.Sequential)]
        public struct NET_DVR_BONJOUR_CFG
        {
            public uint dwSize;				// 结构体大小
            public byte byEnableBonjour;		// Bonjour使能 0 ：开启 1：关闭
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 3, ArraySubType = UnmanagedType.I1)]
            public byte[] byRes1;
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = MAX_DOMAIN_NAME, ArraySubType = UnmanagedType.I1)]
            public byte[] byFriendlyName; 	// 服务名
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 128, ArraySubType = UnmanagedType.I1)]
            public byte[] byRes2;
        }

        [StructLayout(LayoutKind.Sequential)]
        public struct NET_DVR_SOCKS_CFG
        {
            public uint dwSize;				// 结构体大小
            public byte byEnableSocks;  		// 使能 0：关闭 1：开启
            public byte byVersion;  			// SOCKS版本 4：SOCKS4   5：SOCKS5
            public ushort wProxyPort;				// 代理端口，默认1080
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = MAX_DOMAIN_NAME, ArraySubType = UnmanagedType.I1)]
            public byte[] byProxyaddr;  	// 代理IP地址，可以是域名
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = MAX_DOMAIN_NAME, ArraySubType = UnmanagedType.I1)]
            public byte[] byUserName; 	// 用户名 SOCKS才用
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = NAME_LEN, ArraySubType = UnmanagedType.I1)]
            public byte[] byPassword;			// 密码SOCKS5才用
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = MAX_LOCAL_ADDR_LEN, ArraySubType = UnmanagedType.I1)]
            public byte[] byLocalAddr;  //不使用socks代理的网段，格式为"ip/netmask;ip/netmask;…"
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 128, ArraySubType = UnmanagedType.I1)]
            public byte[] byRes;
        }

        [StructLayout(LayoutKind.Sequential)]
        public struct NET_DVR_QOS_CFG
        {
            public uint dwSize;
            public byte byManageDscp;   // 管理数据的DSCP值 [0-63]
            public byte byAlarmDscp;    // 报警数据的DSCP值 [0-63]
            public byte byVideoDscp;    // 视频数据的DSCP值 [0-63]，byFlag为0时，表示音视频
            public byte byAudioDscp;    // 音频数据的DSCP值 [0-63]，byFlag为1时有效
            public byte byFlag;			// 0：音视频合一，1：音视频分开
            public byte byEnable;
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 126, ArraySubType = UnmanagedType.I1)]
            public byte[] byRes;
        }

        [StructLayout(LayoutKind.Sequential)]
        public struct NET_DVR_HTTPS_CFG
        {
            public uint dwSize;
            public ushort wHttpsPort;		// HTTPS端口
            public byte byEnable;		// 使能 0：关闭 1：开启
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 125, ArraySubType = UnmanagedType.I1)]
            public byte[] byRes;
        }

        //证书相关
        [StructLayout(LayoutKind.Sequential)]
        public struct NET_DVR_CERT_NAME
        {
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = MAX_COUNTRY_NAME_LEN, ArraySubType = UnmanagedType.I1)]
            public byte[] byCountry;  			//国家代号 CN等
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = MAX_DOMAIN_NAME, ArraySubType = UnmanagedType.I1)]
            public byte[] byState;				//洲或省
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = MAX_DOMAIN_NAME, ArraySubType = UnmanagedType.I1)]
            public byte[] byLocality;			//地区
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = MAX_DOMAIN_NAME, ArraySubType = UnmanagedType.I1)]
            public byte[] byOrganization;		//组织
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = MAX_DOMAIN_NAME, ArraySubType = UnmanagedType.I1)]
            public byte[] byUnit;				//单位
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = MAX_DOMAIN_NAME, ArraySubType = UnmanagedType.I1)]
            public byte[] byCommonName;
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = MAX_DOMAIN_NAME, ArraySubType = UnmanagedType.I1)]
            public byte[] byEmail;
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 128, ArraySubType = UnmanagedType.I1)]
            public byte[] byRes;
        }

        [StructLayout(LayoutKind.Sequential)]
        public struct NET_DVR_CERT_PARAM
        {
            public uint dwSize;
            public ushort wCertFunc; //证书种类，0-802.1x,1-HTTPS
            public ushort wCertType; //证书类型，0-CA，1-Certificate,2-私钥文件
            public byte byFileType; //证书文件类型，0-PEM,1-PFX
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 35, ArraySubType = UnmanagedType.I1)]
            public byte[] byRes;
        }

        public const int UPLOAD_CERTIFICATE = 1; //上传证书

        [StructLayout(LayoutKind.Sequential)]
        public struct NET_DVR_CERT_INFO
        {
            public uint dwSize;
            public NET_DVR_CERT_PARAM struCertParam;	//证书参数
            public uint dwValidDays;   //有效天数，类型为自签名时有效
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = NAME_LEN, ArraySubType = UnmanagedType.I1)]
            public byte[] byPasswd;   //私钥密码
            public NET_DVR_CERT_NAME struCertName;    // 证书名称
            public NET_DVR_CERT_NAME struIssuerName;    // 证书发行者名称（自签名证书信息获取时有效）
            public NET_DVR_TIME_EX struBeginTime;   //证书创建时间（自签名证书信息获取时有效）
            public NET_DVR_TIME_EX struEndTime;   //证书截止时间（自签名证书信息获取时有效）
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = NAME_LEN, ArraySubType = UnmanagedType.I1)]
            public byte[] serialNumber;   //证书标识码（自签名证书信息获取时有效）
            public byte byVersion;
            public byte byKeyAlgorithm;			//加密类型 0-RSA  1-DSA
            public byte byKeyLen;				//加密长度 0-512  1-1024、 2-2048
            public byte bySignatureAlgorithm; //签名算法类型（自签名证书信息获取时有效）
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 128, ArraySubType = UnmanagedType.I1)]
            public byte[] byRes;
        }

        //channel record status
        //***通道录像状态*****//
        [StructLayout(LayoutKind.Sequential)]
        public struct NET_DVR_CHANS_RECORD_STATUS
        {
            public byte byValid;       //是否有效
            public byte byRecord;      /*(只读)录像类型, 按位表示:0: 不在录像；1：在录像 2-空闲 
						3-无连接 4-无输入视频 5-未加载 6-存档中
							7-回传中 8-用户名或密码错 9-未验证
							10-存档中和录像中 11-录像回传中和录像中*/
            public ushort wChannelNO;   //通道号
            public uint dwRelatedHD;  //关联磁盘
            public byte byOffLineRecord;  //断网录像功能 0-关闭 1-开启
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 7, ArraySubType = UnmanagedType.I1)]
            public byte[] byRes;      //保留字节
        }

        [StructLayout(LayoutKind.Sequential)]
        public struct NET_DVR_IP_ALARM_GROUP_NUM
        {
            public uint dwSize;
            public uint dwIPAlarmInGroup;      //IP通道报警输入组数
            public uint dwIPAlarmInNum;       //IP通道报警输入个数
            public uint dwIPAlarmOutGroup;     //IP通道报警输出组数
            public uint dwIPAlarmOutNum;      //IP通道报警输出个数
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 64, ArraySubType = UnmanagedType.I1)]
            public byte[] byRes;
        }

        //****NVR end***//
        [StructLayout(LayoutKind.Sequential)]
        public struct NET_DVR_CHAN_GROUP_RECORD_STATUS
        {
            public uint dwSize; //结构体大小
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = MAX_CHANNUM_V30, ArraySubType = UnmanagedType.Struct)]
            public NET_DVR_CHANS_RECORD_STATUS[] struChanStatus; //一组64个
        }

        [StructLayout(LayoutKind.Sequential)]
        public struct NET_DVR_RECTCFG
        {
            public ushort wXCoordinate; /*矩形左上角起始点X坐标*/
            public ushort wYCoordinate; /*矩形左上角Y坐标*/
            public ushort wWidth;       /*矩形宽度*/
            public ushort wHeight;      /*矩形高度*/
        }

        /*窗口信息*/
        [StructLayout(LayoutKind.Sequential)]
        public struct NET_DVR_WINCFG
        {
            public uint dwSize;
            public byte byVaild;
            public byte byInputIdx;          /*输入源索引*/
            public byte byLayerIdx;          /*图层，0为最底层*/
            public byte byTransparency; //透明度，0～100 
            public NET_DVR_RECTCFG struWin;//目的窗口(相对显示墙)
            public ushort wScreenHeight;//大屏高
            public ushort wScreenWidth;//大屏宽
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 20, ArraySubType = UnmanagedType.I1)]
            public byte[] byRes;
        }

        [StructLayout(LayoutKind.Sequential)]
        public struct NET_DVR_ALLWINCFG
        {
            public uint dwSize;
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = MAX_LAYERNUMS, ArraySubType = UnmanagedType.Struct)]
            public NET_DVR_WINCFG[] struWinCfg;
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 24, ArraySubType = UnmanagedType.I1)]
            public byte[] byRes2;
        }

        [StructLayout(LayoutKind.Sequential)]
        public struct NET_DVR_SCREENZOOM
        {
            public uint dwSize;
            public uint dwScreenNum;//大屏号
            public NET_DVR_POINT_FRAME struPointFrame;
            public byte byLayer;//图层号
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 11, ArraySubType = UnmanagedType.I1)]
            public byte[] byRes;
        }

        //2011-04-18
        /*摄像机信息,最多9999个，从1开始 */
        [StructLayout(LayoutKind.Sequential)]
        public struct NET_MATRIX_CAMERAINFO
        {
            public uint dwGlobalCamId;      /* cam的全局编号*/
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = NAME_LEN, ArraySubType = UnmanagedType.I1)]
            public byte[] sCamName; /*cam的名称*/
            public uint dwMatrixId;          /*cam对应矩阵的编号*/
            public uint dwLocCamId;         /*cam对应矩阵的内部编号*/
            public byte byValid;    /*是否有效，0-否，1-是*/
            public byte byPtzCtrl; /* 是否可控，0-否，1-是*/
            public byte byUseType; //*使用类型，0-不作为干线使用，1-BNC，2-SP3,3-V6光纤，4-其他光纤*/ 
            public byte byUsedByTrunk;//当前使用状态，0-没有被使用，1-被干线使用 
            public byte byTrunkReq; /*摄像机分辨率,以D1为单位：1 - 1个D1，2- 2个D1，作为干线使用时，指的是干线的带宽*/
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 3, ArraySubType = UnmanagedType.I1)]
            public byte[] byRes1;
            public NET_DVR_TIME struInstallTime;//安装时间
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = NAME_LEN, ArraySubType = UnmanagedType.I1)]
            public byte[] sPurpose;/*用途描述*/
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 20, ArraySubType = UnmanagedType.I1)]
            public byte[] byRes2;
        }

        /*监视器信息，最多2048个*/
        [StructLayout(LayoutKind.Sequential)]
        public struct NET_MATRIX_MONITORINFO
        {
            public uint dwGloalMonId; /*mon 的统一编号*/
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = NAME_LEN, ArraySubType = UnmanagedType.I1)]
            public byte[] sMonName;
            public uint dwMatrixId;  /*mon所在矩阵的编号*/
            public uint dwLocalMonId; /*mon的内部编号*/
            public byte byValid;    /*是否有效，0-否，1-是*/
            public byte byTrunkType; /*使用类型，0-不作为干线使用，1-BNC，2-SP3,3-V6光纤，4-其他光纤*/
            public byte byUsedByTrunk;//当前使用状态，0-没有被使用，1-被干线使用 
            public byte byTrunkReq; /*分辨率, 以D1为单位：1- 1个D1，2- 2个D1，作为干线使用时，指的是干线的带宽*/
            public NET_DVR_TIME struInstallTime;//安装时间
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = NAME_LEN, ArraySubType = UnmanagedType.I1)]
            public byte[] sPurpose;/*用途描述*/
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 20, ArraySubType = UnmanagedType.I1)]
            public byte[] byRes;
        }

        [StructLayout(LayoutKind.Sequential)]
        public struct NET_MATRIX_DIGITALMATRIX
        {
            public NET_DVR_IPADDR struAddress; /*设备为数字设备时的IP信息*/
            public ushort wPort;
            public byte byNicNum; /*0 - eth0, 1 - eth1, 考虑双网口如何通信加入绑定的网口*/
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 69, ArraySubType = UnmanagedType.I1)]
            public byte[] byRes;
        }

        [StructLayout(LayoutKind.Sequential)]
        public struct NET_MATRIX_ANALOGMATRIX
        {
            public byte bySerPortNum;   /*连接的串口号*/
            public byte byMatrixSerPortType;/* 矩阵接入网关的串口与模拟矩阵的键盘口(键盘协议)连接还是与矩阵通信口（矩阵协议）连接 ，0 --- 矩阵协议通讯口 1 --- 键盘通讯口*/
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 2, ArraySubType = UnmanagedType.I1)]
            public byte[] byRes1;
            public NET_DVR_SINGLE_RS232 struRS232;	//232串口参数
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 200, ArraySubType = UnmanagedType.I1)]
            public byte[] byRes2;
        }

        [StructLayout(LayoutKind.Sequential)]
        public struct NET_DVR_MATRIXLIST
        {
            public uint dwSize;
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 12, ArraySubType = UnmanagedType.I1)]
            public byte[] byRes;
            public uint dwMatrixNum;//设备返回的矩阵数量
            public IntPtr pBuffer;//矩阵信息缓冲区
            public uint dwBufLen;//所分配指针长度，输入参数
        }

        /*串口配置信息*/
        [StructLayout(LayoutKind.Sequential)]
        public struct NET_MATRIX_UARTPARAM
        {
            public uint dwSize;
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = NAME_LEN, ArraySubType = UnmanagedType.I1)]
            public byte[] byPortName;
            public ushort wUserId; /*用户编号，当连接设备为键盘时，绑定一个用户，用于权限管理*/
            public byte byPortType;    /*串口类型，三种0-RS232/1-RS485/2-RS422*/
            public byte byFuncType; /*串口连接的设备的类型0-空闲，1-键盘，2-用作透明通道(485串口不可配置成透明通道),3-模拟矩阵*/
            public byte byProtocolType;  /*串口支持的协议类型, 当连接键盘设备时需要该信息,获取键盘支持协议的编号及描述符*/
            public byte byBaudRate;
            public byte byDataBits;
            public byte byStopBits;   /*停止位*/
            public byte byParity;      /*校验*/
            public byte byFlowCtrl;   /*流控，软件流控，无流控*/
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 22, ArraySubType = UnmanagedType.I1)]
            public byte[] byRes;     /*预留*/
        }

        //最多256个用户，1～256
        [StructLayout(LayoutKind.Sequential)]
        public struct NET_MATRIX_USERPARAM
        {
            public uint dwSize;
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = NAME_LEN, ArraySubType = UnmanagedType.I1)]
            public byte[] sUserName;
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = PASSWD_LEN, ArraySubType = UnmanagedType.I1)]
            public byte[] sPassword;
            public byte byRole;/*用户角色:0-管理员,1-操作员；只有一个系统管理员，255个操作员*/
            public byte byLevel;  /*统一级别，用于操作级别管理,1- 255*/
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 18, ArraySubType = UnmanagedType.I1)]
            public byte[] byRes;
        }

        //最多255个资源组
        [StructLayout(LayoutKind.Sequential)]
        public struct NET_MATRIX_RESOURSEGROUPPARAM
        {
            public uint dwSize;
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = NAME_LEN, ArraySubType = UnmanagedType.I1)]
            public byte[] byGroupName;
            public byte byGroupType;/*0-摄像机CAM组，1-监视器MON组*/
            public byte byRes1;
            public ushort wMemNum;
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 512, ArraySubType = UnmanagedType.U4)]
            public uint[] dwGlobalId;
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 20, ArraySubType = UnmanagedType.I1)]
            public byte[] byRes2;
        }

        //最多255个用户组
        [StructLayout(LayoutKind.Sequential)]
        public struct NET_MATRIX_USERGROUPPARAM
        {
            public uint dwSize;
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = NAME_LEN, ArraySubType = UnmanagedType.I1)]
            public byte[] sGroupName;
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 255, ArraySubType = UnmanagedType.U2)]
            public ushort[] wUserMember;  /*包含的用户成员*/
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 255, ArraySubType = UnmanagedType.U2)]
            public ushort[] wResorceGroupMember; /*包含的资源组成员*/
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 32, ArraySubType = UnmanagedType.I1)]
            public byte[] byPermission;//权限，数组0-ptz权限、切换权限、查询权限
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 20, ArraySubType = UnmanagedType.I1)]
            public byte[] byRes;
        }

        [StructLayout(LayoutKind.Sequential)]
        public struct NET_MATRIX_TRUNKPARAM
        {
            public uint dwSize;
            public uint dwTrunkId;
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = NAME_LEN, ArraySubType = UnmanagedType.I1)]
            public byte[] sTrunkName;
            public uint dwSrcMonId;
            public uint dwDstCamId;
            public byte byTrunkType;  /*使用类型  1-BNC，2-SP3光纤高清，3-SP3光纤D1， 4-V6光纤，5-其他光纤*/
            public byte byAbility;     /*表示光纤的带宽，可以传输几路*/
            public byte bySubChan;   /*针对光纤干线而言，表示子通道号*/
            public byte byLevel;		/* 干线级别 1-255*/
            public ushort wReserveUserID;	//预留的用户ID： 1~256 ，0表示释放预留
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 18, ArraySubType = UnmanagedType.I1)]
            public byte[] byRes;
        }


        [StructLayout(LayoutKind.Sequential)]
        public struct NET_DVR_MATRIX_TRUNKLIST
        {
            public uint dwSize;
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 12, ArraySubType = UnmanagedType.I1)]
            public byte[] byRes;
            public uint dwTrunkNum;//设备返回的干线数量
            public IntPtr pBuffer;//干线信息缓冲区
            public uint dwBufLen;//所分配指针长度，输入参数
        }

        public const int MATRIX_PROTOCOL_NUM = 20;    //支持的最大矩阵协议数
        public const int KEYBOARD_PROTOCOL_NUM = 20;    //支持的最大键盘协议数

        [StructLayout(LayoutKind.Sequential)]
        public struct NET_DVR_PROTO_TYPE_EX
        {
            public ushort wType;               /*ipc协议值*/
            public ushort wCommunitionType;		/*0：模拟 1：数字 2：兼容模拟、数字*/
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = DESC_LEN, ArraySubType = UnmanagedType.I1)]
            public byte[] byDescribe; /*协议描述字段*/
        }

        [StructLayout(LayoutKind.Sequential)]
        public struct NET_DVR_MATRIXMANAGE_ABIILITY
        {
            public uint dwSize;
            public uint dwMaxCameraNum;//最大Camera数量
            public uint dwMaxMonitorNum;//最大监视器数量
            public ushort wMaxMatrixNum;//最大矩阵数量
            public ushort wMaxSerialNum;//串口数量
            public ushort wMaxUser;//最大用户数
            public ushort wMaxResourceArrayNum;//最大资源组数
            public ushort wMaxUserArrayNum;//最大用户组数
            public ushort wMaxTrunkNum;//最大干线数
            public byte nStartUserNum;//起始用户号
            public byte nStartUserGroupNum;//起始用户组号
            public byte nStartResourceGroupNum;//起始资源组号
            public byte nStartSerialNum;//起始串口号
            public uint dwMatrixProtoNum;     /*有效的矩阵协议数目，从0开始*/
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = MATRIX_PROTOCOL_NUM, ArraySubType = UnmanagedType.Struct)]
            public NET_DVR_PROTO_TYPE_EX[] struMatrixProto;/*最大协议列表长度*/
            public uint dwKeyBoardProtoNum;     /*有效的键盘协议数目，从0开始*/
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = MATRIX_PROTOCOL_NUM, ArraySubType = UnmanagedType.Struct)]
            public NET_DVR_PROTO_TYPE_EX[] struKeyBoardProto;/*最大协议列表长度*/
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 32, ArraySubType = UnmanagedType.I1)]
            public byte[] byRes;
        }

        //人脸抓拍规则(单条)
        [StructLayout(LayoutKind.Sequential)]
        public struct NET_VCA_SINGLE_FACESNAPCFG
        {
            public byte byActive;				//是否激活规则：0-否，1-是
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 3, ArraySubType = UnmanagedType.I1)]
            public byte[] byRes;     //保留
            public NET_VCA_SIZE_FILTER struSizeFilter;   //尺寸过滤器
            public NET_VCA_POLYGON struVcaPolygon;		//人脸识别区域
        }

        //人脸抓拍规则参数
        [StructLayout(LayoutKind.Sequential)]
        public struct NET_VCA_FACESNAPCFG
        {
            public uint dwSize;
            public byte bySnapTime;					//单个目标人脸的抓拍次数0-10
            public byte bySnapInterval;                 //抓拍间隔，单位：帧
            public byte bySnapThreshold;               //抓拍阈值，0-100
            public byte byGenerateRate; 		//目标生成速度,范围[1, 5]	
            public byte bySensitive;			//目标检测灵敏度，范围[1, 5]
            public byte byReferenceBright; //2012-3-27参考亮度[0,100]
            public byte byMatchType;         //2012-5-3比对报警模式，0-目标消失后报警，1-实时报警
            public byte byMatchThreshold;  //2012-5-3实时比对阈值，0~100
            public NET_DVR_JPEGPARA struPictureParam; //图片规格结构
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = MAX_RULE_NUM, ArraySubType = UnmanagedType.Struct)]
            public NET_VCA_SINGLE_FACESNAPCFG[] struRule; //人脸抓拍规则
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 100, ArraySubType = UnmanagedType.I1)]
            public byte[] byRes2;
        }

        //人体特征识别结果结构体
        [StructLayout(LayoutKind.Sequential)]
        public struct NET_VCA_HUMAN_FEATURE
        {
            public byte byAgeGroup;    //年龄段,参见 HUMAN_AGE_GROUP_ENUM
            public byte bySex;         //性别, 1 - 男 , 2 - 女
            public byte byEyeGlass;    //是否戴眼镜 1 - 不戴, 2 - 戴
            //抓拍图片人脸年龄的使用方式，如byAge为15,byAgeDeviation为1,表示，实际人脸图片年龄的为14-16之间
            public byte byAge;//年龄
            public byte byAgeDeviation;//年龄误差值
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 11, ArraySubType = UnmanagedType.I1)]
            public byte[] byRes;    //保留
        }

        //人脸抓拍结果报警上传
        [StructLayout(LayoutKind.Sequential)]
        public struct NET_VCA_FACESNAP_RESULT
        {
            public uint dwSize;
            public uint dwRelativeTime;
            public uint dwAbsTime;
            public uint dwFacePicID;
            public uint dwFaceScore;
            public NET_VCA_TARGET_INFO struTargetInfo;
            public NET_VCA_RECT struRect;
            public NET_VCA_DEV_INFO struDevInfo;
            public uint dwFacePicLen;
            public uint dwBackgroundPicLen;
            public byte bySmart;            //IDS设备返回0(默认值)，Smart Functiom Return 1
            public byte byAlarmEndMark;//报警结束标记0-保留，1-结束标记（该字段结合人脸ID字段使用，表示该ID对应的下报警结束，主要提供给NVR使用，用于判断报警结束，提取识别图片数据中，清晰度最高的图片）
            public byte byRepeatTimes;   //重复报警次数，0-无意义
            public byte byUploadEventDataType;//人脸图片数据长传方式：0-二进制数据，1-URL
            public NET_VCA_HUMAN_FEATURE struFeature;  //人体属性
            public float fStayDuration;  //停留画面中时间(单位: 秒)
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 16, ArraySubType = UnmanagedType.I1)]
            public byte[] sStorageIP;        //存储服务IP地址
            public ushort wStoragePort;            //存储服务端口号
            public ushort wDevInfoIvmsChannelEx;     //与NET_VCA_DEV_INFO里的byIvmsChannel含义相同，能表示更大的值。老客户端用byIvmsChannel能继续兼容，但是最大到255。新客户端版本请使用wDevInfoIvmsChannelEx。
            public byte byFacePicQuality;
            public byte byUIDLen;     // 上传报警的标识长度
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 2, ArraySubType = UnmanagedType.I1)]
            public byte[] byRes1;     // 保留字节
            public IntPtr pUIDBuffer;  //标识指针
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 7, ArraySubType = UnmanagedType.I1)]
            public byte[] byRes2;              // 保留字节
            public byte byBrokenNetHttp;     //断网续传标志位，0-不是重传数据，1-重传数据
            public IntPtr pBuffer1;//指向人脸子图的图片数据
            public IntPtr pBuffer2;//背景图的图片数据（保留，通过查找背景图接口可以获取背景图）
        }

        //人脸侦测报警信息
        [StructLayout(LayoutKind.Sequential)]
        public struct NET_DVR_FACE_DETECTION
        {
            public uint dwSize;
            public uint dwRelativeTime;
            public uint dwAbsTime;
            public uint dwBackgroundPicLen;
            public NET_VCA_DEV_INFO struDevInfo;
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 30, ArraySubType = UnmanagedType.Struct)]
            public NET_VCA_RECT[] struFacePic; //人脸子图区域，归一化值，相对于大图（背景图)的分辨率
            public byte byFacePicNum;
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 255, ArraySubType = UnmanagedType.I1)]
            public byte[] byRes;//保留
            public IntPtr pBackgroundPicpBuffer;//背景图的图片数据
        }

        //虚焦侦测结果
        [StructLayout(LayoutKind.Sequential)]
        public struct NET_DVR_DEFOCUS_ALARM
        {
            public uint dwSize;     /*结构长度*/
            public NET_VCA_DEV_INFO struDevInfo;/*设备信息*/
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 64, ArraySubType = UnmanagedType.I1)]
            public byte[] byRes;		// 保留字节
        }

        [StructLayout(LayoutKind.Sequential)]
        public struct NET_DVR_AUDIOEXCEPTION_ALARM
        {
            public uint dwSize;     /*结构长度*/
            public byte byAlarmType;//报警类型，1-音频输入异常，2-音频输入突变
            public byte byRes1;
            public ushort wAudioDecibel;//声音强度（音频输入突变时用到）
            public NET_VCA_DEV_INFO struDevInfo;/*设备信息*/
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 64, ArraySubType = UnmanagedType.I1)]
            public byte[] byRes;		// 保留字节
        }

        [StructLayout(LayoutKind.Sequential)]
        public struct NET_BUTTON_DOWN_EXCEPTION_ALARM
        {
            public uint dwSize;     /*结构长度*/
            public NET_VCA_DEV_INFO struDevInfo;/*设备信息*/
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 64, ArraySubType = UnmanagedType.I1)]
            public byte[] byRes;		// 保留字节
        }

        [StructLayout(LayoutKind.Sequential)]
        public struct NET_VCA_FD_IMAGE_CFG
        {
            public uint dwWidth;                  //灰度图像数据宽度
            public uint dwHeight;                 //灰度图像高度
            public uint dwImageLen;  //灰度图像数据长度
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 20, ArraySubType = UnmanagedType.I1)]
            public byte[] byRes;  //保留
            public IntPtr pImage;    //灰度图像数据
        }

        [StructLayout(LayoutKind.Sequential)]
        public struct NET_VCA_FD_PROCIMG_CFG
        {
            public uint dwSize;           //结构大小
            public byte byEnable;         //是否激活规则;
            public byte bySensitivity;      //检测灵敏度，[0,5]
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 22, ArraySubType = UnmanagedType.I1)]
            public byte[] byRes1;       //保留字节 
            public NET_VCA_SIZE_FILTER struSizeFilter;  //尺寸过滤器
            public NET_VCA_POLYGON struPolygon;    //多边形
            public NET_VCA_FD_IMAGE_CFG struFDImage;  //图片信息
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 20, ArraySubType = UnmanagedType.I1)]
            public byte[] byRes2;    //保留
        }

        [StructLayout(LayoutKind.Sequential)]
        public struct NET_VCA_SUB_PROCIMG
        {
            public uint dwImageLen;  //图片数据长度
            public uint dwFaceScore;		//人脸评分,0-100
            public NET_VCA_RECT struVcaRect; //人脸子图区域
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 20, ArraySubType = UnmanagedType.I1)]
            public byte[] byRes;  //保留
            public IntPtr pImage;  //图片数据
        }

        [StructLayout(LayoutKind.Sequential)]
        public struct NET_VCA_FD_PROCIMG_RESULT
        {
            public uint dwSize;   //结构大小
            public uint dwImageId; //大图ID
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 20, ArraySubType = UnmanagedType.I1)]
            public byte[] byRes; //保留
            public uint dwSubImageNum;  //人脸子图张数
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = MAX_TARGET_NUM, ArraySubType = UnmanagedType.Struct)]
            public NET_VCA_SUB_PROCIMG[] struProcImg;  //单张子图信息
        }

        [StructLayout(LayoutKind.Sequential)]
        public struct NET_VCA_PICMODEL_RESULT
        {
            public uint dwImageLen;  //图片数据长度
            public uint dwModelLen;  //模型数据长度
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 20, ArraySubType = UnmanagedType.I1)]
            public byte[] byRes; //保留
            public IntPtr pImage;  //人脸图片数据指针
            public IntPtr pModel;  //模型数据指针
        }

        [StructLayout(LayoutKind.Sequential)]
        public struct NET_VCA_REGISTER_PIC
        {
            public uint dwImageID; //大图ID
            public uint dwFaceScore;		//人脸评分,0-100
            public NET_VCA_RECT struVcaRect;  //人脸子图区域
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 20, ArraySubType = UnmanagedType.I1)]
            public byte[] byRes;  //保留
        }

        //籍贯参数结构体
        [StructLayout(LayoutKind.Sequential)]
        public struct NET_DVR_AREAINFOCFG
        {
            public ushort wNationalityID;//国籍
            public ushort wProvinceID;//省
            public ushort wCityID;//市
            public ushort wCountyID;//县
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 4, ArraySubType = UnmanagedType.I1)]
            public byte[] byRes;//保留
        }

        //人员信息结构体
        [StructLayout(LayoutKind.Sequential)]
        public struct NET_VCA_HUMAN_ATTRIBUTE
        {
            public byte bySex;//性别：0-男，1-女
            public byte byCertificateType;//证件类型：0-身份证，1-警官证
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = MAX_HUMAN_BIRTHDATE_LEN, ArraySubType = UnmanagedType.I1)]
            public byte[] byBirthDate;//出生年月，如：201106
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = NAME_LEN, ArraySubType = UnmanagedType.I1)]
            public byte[] byName; //姓名
            public NET_DVR_AREAINFOCFG struNativePlace;//籍贯参数
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = NAME_LEN, ArraySubType = UnmanagedType.I1)]
            public byte[] byCertificateNumber; //证件号
            public uint dwPersonInfoExtendLen;// 人员标签信息扩展长度
            public IntPtr pPersonInfoExtend;  //人员标签信息扩展信息
            public byte byAgeGroup;//年龄段，详见HUMAN_AGE_GROUP_ENUM，如传入0xff表示未知
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 11, ArraySubType = UnmanagedType.I1)]
            public byte[] byRes2;//保留
        }

        [StructLayout(LayoutKind.Sequential)]
        public struct NET_VCA_HUMANATTRIBUTE_COND
        {
            public byte bySex; //性别：0-不启用，1-男，2-女
            public byte byCertificateType; //证件类型：0-不启用，1-身份证，2-警官证
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = MAX_HUMAN_BIRTHDATE_LEN, ArraySubType = UnmanagedType.I1)]
            public byte[] byStartBirthDate; //起始出生年月，如：201106
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = MAX_HUMAN_BIRTHDATE_LEN, ArraySubType = UnmanagedType.I1)]
            public byte[] byEndBirthDate; //截止出生年月，如201106
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = NAME_LEN, ArraySubType = UnmanagedType.I1)]
            public byte[] byName; //姓名
            public NET_DVR_AREAINFOCFG struNativePlace; //籍贯参数
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = NAME_LEN, ArraySubType = UnmanagedType.I1)]
            public byte[] byCertificateNumber;  //证件号
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 20, ArraySubType = UnmanagedType.I1)]
            public byte[] byRes;
        }

        //黑名单信息
        [StructLayout(LayoutKind.Sequential)]
        public struct NET_VCA_BLACKLIST_INFO
        {
            public uint dwSize;//结构大小
            public uint dwRegisterID;//名单注册ID号（只读）
            public uint dwGroupNo;//分组号
            public byte byType;//黑白名单标志：0-全部，1-白名单，2-黑名单
            public byte byLevel;//黑名单等级，0-全部，1-低，2-中，3-高
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 2, ArraySubType = UnmanagedType.I1)]
            public byte[] byRes1;//保留
            public NET_VCA_HUMAN_ATTRIBUTE struAttribute;//人员信息
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = NAME_LEN, ArraySubType = UnmanagedType.I1)]
            public byte[] byRemark;//备注信息
            public uint dwFDDescriptionLen;//人脸库描述数据长度
            public IntPtr pFDDescriptionBuffer;//人脸库描述数据指针
            public uint dwFCAdditionInfoLen;//抓拍库附加信息长度
            public IntPtr pFCAdditionInfoBuffer;//抓拍库附加信息数据指针（FCAdditionInfo中包含相机PTZ坐标）
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 4, ArraySubType = UnmanagedType.I1)]
            public byte[] byRes2;//保留
        }

        [StructLayout(LayoutKind.Sequential)]
        public struct NET_VCA_BLACKLIST_PARA
        {
            public uint dwSize;   //结构大小
            public NET_VCA_BLACKLIST_INFO struBlackListInfo;  //黑名单基本参数
            public uint dwRegisterPicNum;  //黑名单图个数
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = MAX_HUMAN_PICTURE_NUM, ArraySubType = UnmanagedType.Struct)]
            public NET_VCA_PICMODEL_RESULT[] struRegisterPic;  //黑名单图片信息
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 40, ArraySubType = UnmanagedType.I1)]
            public byte[] byRes; //保留
        }

        [StructLayout(LayoutKind.Sequential)]
        public struct NET_VCA_BLACKLIST_COND
        {
            public Int32 lChannel; //通道号
            public uint dwGroupNo; //分组号
            public byte byType; //黑白名单标志：0-全部，1-白名单，2-黑名单
            public byte byLevel; //黑名单等级，0-全部，1-低，2-中，3-高
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 2, ArraySubType = UnmanagedType.I1)]
            public byte[] byRes1;  //保留
            public NET_VCA_HUMAN_ATTRIBUTE struAttribute; //人员信息
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 20, ArraySubType = UnmanagedType.I1)]
            public byte[] byRes;
        }

        [StructLayout(LayoutKind.Sequential)]
        public struct NET_VCA_BLACKLIST_PIC
        {
            public uint dwSize;   //结构大小
            public uint dwFacePicNum;  //人脸图个数
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 20, ArraySubType = UnmanagedType.I1)]
            public byte[] byRes; //保留
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = MAX_HUMAN_PICTURE_NUM, ArraySubType = UnmanagedType.Struct)]
            public NET_VCA_PICMODEL_RESULT[] struBlackListPic;  //单张照片信息
        }

        [StructLayout(LayoutKind.Sequential)]
        public struct NET_VCA_FIND_PICTURECOND
        {
            public Int32 lChannel;//通道号
            public NET_DVR_TIME struStartTime;//开始时间
            public NET_DVR_TIME struStopTime;//结束时间
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 12, ArraySubType = UnmanagedType.I1)]
            public byte[] byRes; //保留
        }

        public const int MAX_FACE_PIC_LEN = 6144;   //最大人脸图片数据长度

        [StructLayout(LayoutKind.Sequential)]
        public struct NET_VCA_SUB_SNAPPIC_DATA
        {
            public uint dwFacePicID; //人脸图ID
            public uint dwFacePicLen;  //人脸图数据长度
            public NET_DVR_TIME struSnapTime;  //抓拍时间
            public uint dwSimilarity; //相似度
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 16, ArraySubType = UnmanagedType.I1)]
            public byte[] byRes;  //保留
            [MarshalAs(UnmanagedType.ByValTStr, SizeConst = MAX_FACE_PIC_LEN)]
            public string sPicBuf;  //图片数据
        }

        [StructLayout(LayoutKind.Sequential)]
        public struct NET_VCA_ADVANCE_FIND
        {
            public uint dwFacePicID; //人脸图片ID
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 36, ArraySubType = UnmanagedType.I1)]
            public byte[] byRes;
        }

        [StructLayout(LayoutKind.Sequential)]
        public struct NET_VCA_NORMAL_FIND
        {
            public uint dwImageID; //大图ID
            public uint dwFaceScore;  //人脸评分
            public NET_VCA_RECT struVcaRect; //人脸子图区域
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 20, ArraySubType = UnmanagedType.I1)]
            public byte[] byRes;
        }

        [StructLayout(LayoutKind.Explicit)]
        public struct NET_VCA_FIND_SNAPPIC_UNION
        {
            //联合体大小为44字节
            [FieldOffset(0)]
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 44, ArraySubType = UnmanagedType.I1)]
            public byte[] byRes;

            /*[FieldOffsetAttribute(0)]
            public NET_VCA_NORMAL_FIND  struNormalFind; //普通检索
            [FieldOffsetAttribute(0)]
            public NET_VCA_ADVANCE_FIND struAdvanceFind; //高级检索
             * */
        }

        public enum VCA_FIND_SNAPPIC_TYPE
        {
            VCA_NORMAL_FIND = 0x00000000,   //普通检索
            VCA_ADVANCE_FIND = 0x00000001  //高级检索
        }

        [StructLayout(LayoutKind.Sequential)]
        public struct NET_VCA_FIND_PICTURECOND_ADVANCE
        {
            public Int32 lChannel;//通道号
            public NET_DVR_TIME struStartTime;//开始时间
            public NET_DVR_TIME struStopTime;//结束时间
            public byte byThreshold;  //阈值，0-100
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 23, ArraySubType = UnmanagedType.I1)]
            public byte[] byRes; //保留
            public VCA_FIND_SNAPPIC_TYPE dwFindType;//检索类型，详见VCA_FIND_SNAPPIC_TYPE
            public NET_VCA_FIND_SNAPPIC_UNION uFindParam; //检索参数
        }

        //人脸抓拍信息
        [StructLayout(LayoutKind.Sequential)]
        public struct NET_VCA_FACESNAP_INFO_ALARM
        {
            public uint dwRelativeTime;     // 相对时标
            public uint dwAbsTime;            // 绝对时标
            public uint dwSnapFacePicID;       //抓拍人脸图ID
            public uint dwSnapFacePicLen;        //抓拍人脸子图的长度，为0表示没有图片，大于0表示有图片
            public NET_VCA_DEV_INFO struDevInfo;   //前端设备信息
            public byte byFaceScore;        //人脸评分，指人脸子图的质量的评分,0-100
            public byte bySex;//性别，0-未知，1-男，2-女
            public byte byGlasses;//是否带眼镜，0-未知，1-是，2-否
            /*
             * 识别人脸的年龄段范围[byAge-byAgeDeviation,byAge+byAgeDeviation]
             */
            public byte byAge;//年龄
            public byte byAgeDeviation;//年龄误差值
            public byte byAgeGroup;//年龄段，详见HUMAN_AGE_GROUP_ENUM，若传入0xff表示未知
            /*人脸子图图片质量评估等级，0-低等质量,1-中等质量,2-高等质量,
            该质量评估算法仅针对人脸子图单张图片,具体是通过姿态、清晰度、遮挡情况、光照情况等可影响人脸识别性能的因素综合评估的结果*/
            public byte byFacePicQuality;
            public byte byEthnic; //字段预留,暂不开放
            public uint dwUIDLen; // 上传报警的标识长度
            public IntPtr pUIDBuffer;  //标识指针
            public float fStayDuration;  //停留画面中时间(单位: 秒)
            public IntPtr pBuffer1;  //抓拍人脸子图的图片数据
        }

        //黑名单报警信息
        [StructLayout(LayoutKind.Sequential)]
        public struct NET_VCA_BLACKLIST_INFO_ALARM
        {
            public NET_VCA_BLACKLIST_INFO struBlackListInfo;
            public uint dwBlackListPicLen;       //黑名单人脸子图的长度，为0表示没有图片，大于0表示有图片
            public uint dwFDIDLen;// 人脸库ID长度
            public IntPtr pFDID;  //人脸库Id指针
            public uint dwPIDLen;// 人脸库图片ID长度
            public IntPtr pPID;  //人脸库图片ID指针
            public ushort wThresholdValue; //人脸库阈值[0,100]
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 2, ArraySubType = UnmanagedType.I1)]
            public byte[] byRes;//保留
            public IntPtr pBuffer1;//指向图片的指针
        }

        //黑名单比对结果报警上传
        [StructLayout(LayoutKind.Sequential)]
        public struct NET_VCA_FACESNAP_MATCH_ALARM
        {
            public uint dwSize;             // 结构大小
            public float fSimilarity; //相似度，[0.001,1]
            public NET_VCA_FACESNAP_INFO_ALARM struSnapInfo; //抓拍信息
            public NET_VCA_BLACKLIST_INFO_ALARM struBlackListInfo; //黑名单信息
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 16, ArraySubType = UnmanagedType.I1)]
            public byte[] sStorageIP;        //存储服务IP地址
            public ushort wStoragePort;            //存储服务端口号
            public byte byMatchPicNum; //匹配图片的数量，0-保留（老设备这个值默认0，新设备这个值为0时表示后续没有匹配的图片信息）
            public byte byPicTransType;//图片数据传输方式: 0-二进制；1-url
            public uint dwSnapPicLen;//设备识别抓拍图片长度
            public IntPtr pSnapPicBuffer;//设备识别抓拍图片指针
            public NET_VCA_RECT struRegion;//目标边界框，设备识别抓拍图片中，人脸子图坐标
            public uint dwModelDataLen;//建模数据长度
            public IntPtr pModelDataBuffer;// 建模数据指针
            public byte byModelingStatus;// 建模状态
            public byte byLivenessDetectionStatus;//活体检测状态：0-保留，1-未知（检测失败），2-非真人人脸，3-真人人脸，4-未开启活体检测
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 2, ArraySubType = UnmanagedType.I1)]
            public byte[] byRes;              // 保留字节
            public byte byMask;                //抓拍图是否戴口罩，0-保留，1-未知，2-不戴口罩，3-戴口罩
            public byte bySmile;               //抓拍图是否微笑，0-保留，1-未知，2-不微笑，3-微笑
            public byte byContrastStatus;      //比对结果，0-保留，1-比对成功，2-比对失败
            public byte byBrokenNetHttp;     //断网续传标志位，0-不是重传数据，1-重传数据
        }

        [StructLayout(LayoutKind.Sequential)]
        public struct NET_VCA_BLACKLIST_INFO_ALARM_LOG
        {
            public NET_VCA_BLACKLIST_INFO struBlackListInfo; //黑名单基本信息
            public uint dwBlackListPicID;       //黑名单人脸子图ID，用于查找图片
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 20, ArraySubType = UnmanagedType.I1)]
            public byte[] byRes;              // 保留字节
        }

        [StructLayout(LayoutKind.Sequential)]
        public struct NET_VCA_FACESNAP_INFO_ALARM_LOG
        {
            public uint dwRelativeTime;     // 相对时标
            public uint dwAbsTime;			// 绝对时标
            public uint dwSnapFacePicID;       //抓拍人脸图ID
            public NET_VCA_DEV_INFO struDevInfo;		//前端设备信息
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 20, ArraySubType = UnmanagedType.I1)]
            public byte[] byRes;              // 保留字节
        }

        [StructLayout(LayoutKind.Sequential)]
        public struct NET_VCA_FACESNAP_MATCH_ALARM_LOG
        {
            public uint dwSize;     		// 结构大小
            public float fSimilarity; //相似度，[0.001,1]
            public NET_VCA_FACESNAP_INFO_ALARM_LOG struSnapInfoLog; //抓拍信息
            public NET_VCA_BLACKLIST_INFO_ALARM_LOG struBlackListInfoLog; //黑名单信息
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 60, ArraySubType = UnmanagedType.I1)]
            public byte[] byRes;              // 保留字节
        }

        [StructLayout(LayoutKind.Sequential)]
        public struct NET_VCA_FACEMATCH_PICCOND
        {
            public uint dwSize;     		// 结构大小
            public uint dwSnapFaceID; //抓拍人脸子图ID
            public uint dwBlackListID; //匹配的黑名单ID
            public uint dwBlackListFaceID; //比对的黑名单人脸子图ID
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 20, ArraySubType = UnmanagedType.I1)]
            public byte[] byRes;              // 保留字节
        }

        [StructLayout(LayoutKind.Sequential)]
        public struct NET_VCA_FACEMATCH_PICTURE
        {
            public uint dwSize;     		// 结构大小
            public uint dwSnapFaceLen; //抓拍人脸子图长度
            public uint dwBlackListFaceLen; //比对的黑名单人脸子图长度
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 20, ArraySubType = UnmanagedType.I1)]
            public byte[] byRes;              //保留字节
            public IntPtr pSnapFace;  //抓拍人脸子图的图片数据
            public IntPtr pBlackListFace;  //比对的黑名单人脸子图数据
        }

        [StructLayout(LayoutKind.Sequential)]
        public struct NET_VCA_BLACKLIST_FASTREGISTER_PARA
        {
            public uint dwSize;   //结构大小
            public NET_VCA_BLACKLIST_INFO struBlackListInfo;  //黑名单基本参数
            public uint dwImageLen;  //图像数据长度
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 124, ArraySubType = UnmanagedType.I1)]
            public byte[] byRes;  //保留
            public IntPtr pImage;    //图像数据
        }

        //单个分区配置
        [StructLayout(LayoutKind.Sequential)]
        public struct NET_VCA_SINGLE_PATH
        {
            public byte byActive;  // 是否可用,0-否,1-是 
            public byte byType;   //0-存储抓拍，1-存储黑名单比对报警，2-存储抓拍和黑名单比对报警，0xff-无效
            public byte bySaveAlarmPic; //是否用于保存断网的报警图片，0-否，1-是
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 5, ArraySubType = UnmanagedType.I1)]
            public byte[] byRes1; //保留
            public uint dwDiskDriver;   //盘符号，从0开始
            public uint dwLeftSpace;   //预留容量（单位为G）
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 8, ArraySubType = UnmanagedType.I1)]
            public byte[] byRes2; //保留
        }

        //存储路径设置
        [StructLayout(LayoutKind.Sequential)]
        public struct NET_VCA_SAVE_PATH_CFG
        {
            public uint dwSize;   //结构大小
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = MAX_DISKNUM_V30, ArraySubType = UnmanagedType.Struct)]
            public NET_VCA_SINGLE_PATH[] struPathInfo; //单个分区
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 40, ArraySubType = UnmanagedType.I1)]
            public byte[] byRes; //保留
        }

        [StructLayout(LayoutKind.Sequential)]
        public struct NET_DVR_DEV_ACCESS_CFG
        {
            public uint dwSize;
            public NET_DVR_IPADDR struIP;		//接入设备的IP地址
            public ushort wDevicePort;			 	//端口号
            public byte byEnable;		         //是否启用，0-否，1-是
            public byte byRes1;				//保留
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = NAME_LEN, ArraySubType = UnmanagedType.I1)]
            public byte[] sUserName;	//接入设备的登录帐号
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = PASSWD_LEN, ArraySubType = UnmanagedType.I1)]
            public byte[] sPassword;	//接入设备的登录密码
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 60, ArraySubType = UnmanagedType.I1)]
            public byte[] byRes2;
        }
        /********************************智能人脸识别 end****************************/
        //分辨率
        public const int NOT_AVALIABLE = 0;
        public const int SVGA_60HZ = 52505660;
        public const int SVGA_75HZ = 52505675;
        public const int XGA_60HZ = 67207228;
        public const int XGA_75HZ = 67207243;
        public const int SXGA_60HZ = 84017212;
        public const int SXGA2_60HZ = 84009020;
        public const int _720P_60HZ = 83978300;
        public const int _720P_50HZ = 83978290;
        public const int _1080I_60HZ = 394402876;
        public const int _1080I_50HZ = 394402866;
        public const int _1080P_60HZ = 125967420;
        public const int _1080P_50HZ = 125967410;
        public const int _1080P_30HZ = 125967390;
        public const int _1080P_25HZ = 125967385;
        public const int _1080P_24HZ = 125967384;
        public const int UXGA_60HZ = 105011260;
        public const int UXGA_30HZ = 105011230;
        public const int WSXGA_60HZ = 110234940;
        public const int WUXGA_60HZ = 125982780;
        public const int WUXGA_30HZ = 125982750;
        public const int WXGA_60HZ = 89227324;
        public const int SXGA_PLUS_60HZ = 91884860;

        //显示通道画面分割模式
        [StructLayout(LayoutKind.Sequential)]
        public struct NET_DVR_DISPWINDOWMODE
        {
            public byte byDispChanType;//显示通道类型：0-VGA, 1-BNC, 2-HDMI, 3-DVI
            public byte byDispChanSeq;//显示通道序号,从1开始，如果类型是VGA，则表示第几个VGA
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 2, ArraySubType = UnmanagedType.I1)]
            public byte[] byRes;
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = MAX_WINDOWS_NUM, ArraySubType = UnmanagedType.I1)]
            public byte[] byDispMode;
        }

        //显示通道信息
        [StructLayout(LayoutKind.Sequential)]
        public struct NET_DVR_DISPINFO
        {
            public byte byChanNums;//通道个数
            public byte byStartChan;//起始通道
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 2, ArraySubType = UnmanagedType.I1)]
            public byte[] byRes;
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = MAX_SUPPORT_RES, ArraySubType = UnmanagedType.U1)]
            public uint[] dwSupportResolution;//支持的分辨率
        }

        //大屏拼接信息
        [StructLayout(LayoutKind.Sequential)]
        public struct NET_DVR_SCREENINFO
        {
            public byte bySupportBigScreenNums;//最多大屏拼接数量
            public byte byStartBigScreenNum;//大屏拼接起始号
            public byte byMaxScreenX;//大屏拼接模式
            public byte byMaxScreenY;
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 8, ArraySubType = UnmanagedType.I1)]
            public byte[] byRes;
        }

        [StructLayout(LayoutKind.Sequential)]
        public struct NET_DVR_MATRIX_ABILITY_V41
        {
            public uint dwSize;
            public byte byDspNums;//DSP个数  
            public byte byDecChanNums;//解码通道数
            public byte byStartChan;//起始解码通道
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 5, ArraySubType = UnmanagedType.I1)]
            public byte[] byRes1;

            public NET_DVR_DISPINFO struVgaInfo;//VGA显示通道信息
            public NET_DVR_DISPINFO struBncInfo;//BNC显示通道信息
            public NET_DVR_DISPINFO struHdmiInfo;//HDMI显示通道信息
            public NET_DVR_DISPINFO struDviInfo;//DVI显示通道信息
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = MAX_DISPNUM_V41, ArraySubType = UnmanagedType.Struct)]
            public NET_DVR_DISPWINDOWMODE[] struDispMode;
            public NET_DVR_SCREENINFO struBigScreenInfo;
            public byte bySupportAutoReboot; //是否支持自动重启，0-不支持，1-支持
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 119, ArraySubType = UnmanagedType.I1)]
            public byte[] byRes2;
        }

        public const int MAX_WINDOWS = 16;//最大窗口数
        public const int MAX_WINDOWS_V41 = 36;

        public const int STARTDISPCHAN_VGA = 1;
        public const int STARTDISPCHAN_BNC = 9;
        public const int STARTDISPCHAN_HDMI = 25;
        public const int STARTDISPCHAN_DVI = 29;

        [StructLayout(LayoutKind.Explicit)]
        public struct NET_DVR_VIDEO_PLATFORM
        {
            [FieldOffset(0)]
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 160, ArraySubType = UnmanagedType.I1)]
            public byte[] byRes;
            /*[FieldOffsetAttribute(0)]
            public VideoPlatform struVideoPlatform;
            [FieldOffsetAttribute(0)]
            public NotVideoPlatform struNotVideoPlatform;
             * */
        }

        [StructLayout(LayoutKind.Sequential)]
        public struct VideoPlatform
        {
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = MAX_WINDOWS_V41, ArraySubType = UnmanagedType.I1)]
            public byte[] byJoinDecoderId;
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = MAX_WINDOWS_V41, ArraySubType = UnmanagedType.I1)]
            public byte[] byDecResolution;
            public NET_DVR_RECTCFG struPosition; //显示通道在电视墙中位置
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 80, ArraySubType = UnmanagedType.I1)]
            public byte[] byRes;
        }

        [StructLayout(LayoutKind.Sequential)]
        public struct NotVideoPlatform
        {
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 160, ArraySubType = UnmanagedType.I1)]
            public byte[] byRes;
        }

        /*显示通道配置结构体*/
        [StructLayout(LayoutKind.Sequential)]
        public struct NET_DVR_MATRIX_VOUTCFG
        {
            public uint dwSize;
            public byte byAudio;			/*音频是否开启*/
            public byte byAudioWindowIdx;      /*音频开启子窗口*/
            public byte byDispChanType;      /*显示通道类型：0-BNC，1-VGA，2-HDMI，3-DVI，4-YPbPr(解码卡服务器DECODER_SERVER专用)*/
            public byte byVedioFormat;         /*1:NTSC,2:PAL，0-NULL*/
            public uint dwResolution;//分辨率
            public uint dwWindowMode;		/*画面模式，能力集获取*/
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = MAX_WINDOWS_V41, ArraySubType = UnmanagedType.I1)]
            public byte[] byJoinDecChan;/*各个子窗口关联的解码通道,设备支持解码资源自动分配时此参数不用填充*/
            public byte byEnlargeStatus;          /*是否处于放大状态，0：不放大，1：放大*/
            public byte byEnlargeSubWindowIndex;//放大的子窗口号
            public byte byScale; /*显示模式，0---真实显示，1---缩放显示( 针对BNC )*/
            public byte byUnionType;/*区分共用体,0-视频综合平台内部解码器显示通道配置，1-其他解码器显示通道配置*/
            public NET_DVR_VIDEO_PLATFORM struDiff;
            public uint dwDispChanNum; //显示输出号，此参数在全部获取时有效
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 76, ArraySubType = UnmanagedType.I1)]
            public byte[] byRes2;
        }

        /*解码器设备状态*/
        [StructLayout(LayoutKind.Sequential)]
        public struct NET_DVR_DISP_CHAN_STATUS_V41
        {
            public byte byDispStatus;      /*显示状态：0：未显示，1：启动显示*/
            public byte byBVGA;              /*0-BNC，1-VGA， 2-HDMI，3-DVI，0xff-无效*/
            public byte byVideoFormat;     /*视频制式，1:NTSC,2:PAL,0-NON*/
            public byte byWindowMode;       /*画面模式*/
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = MAX_WINDOWS_V41, ArraySubType = UnmanagedType.I1)]
            public byte[] byJoinDecChan;   /*各个子画面关联的解码通道*/
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = MAX_WINDOWS_V41, ArraySubType = UnmanagedType.I1)]
            public byte[] byFpsDisp;        /*每个子画面的显示帧率*/
            public byte byScreenMode;		/*屏幕模式0-普通 1-大屏*/
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 3, ArraySubType = UnmanagedType.I1)]
            public byte[] byRes1;
            public uint dwDispChan; /*获取全部显示通道状态时有效，设置时可填0*/
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 24, ArraySubType = UnmanagedType.I1)]
            public byte[] byRes2;
        }

        /*解码器设备状态*/
        [StructLayout(LayoutKind.Sequential)]
        public struct NET_DVR_DECODER_WORK_STATUS_V41
        {
            public uint dwSize;
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 32, ArraySubType = UnmanagedType.Struct)]
            public NET_DVR_MATRIX_CHAN_STATUS[] struDecChanStatus;     /*解码通道状态*/
                                                                       /*显示通道状态*/
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = MAX_DISPNUM_V41, ArraySubType = UnmanagedType.Struct)]
            public NET_DVR_DISP_CHAN_STATUS_V41[] struDispChanStatus;
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 32, ArraySubType = UnmanagedType.I1)]
            public byte[] byAlarmInStatus;         /*报警输入状态*/
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 32, ArraySubType = UnmanagedType.I1)]
            public byte[] byAlarmOutStatus;       /*报警输出状态*/
            public byte byAudioInChanStatus;          /*语音对讲状态*/
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 127, ArraySubType = UnmanagedType.I1)]
            public byte[] byRes;
        }

        /*******************************文件回放-远程回放设置*******************************/
        [StructLayout(LayoutKind.Sequential)]
        public struct NET_DVR_MATRIX_DEC_REMOTE_PLAY_V41
        {
            public uint dwSize;
            public NET_DVR_IPADDR struIP;       /* DVR IP地址 */
            public ushort wDVRPort;         /* 端口号 */
            public byte byChannel;			/* 通道号 */
            public byte byReserve;
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = NAME_LEN, ArraySubType = UnmanagedType.I1)]
            public byte[] sUserName;		/* 用户名 */
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = PASSWD_LEN, ArraySubType = UnmanagedType.I1)]
            public byte[] sPassword;		/* 密码 */
            public uint dwPlayMode;     /* 0－按文件 1－按时间*/
            public NET_DVR_TIME StartTime;
            public NET_DVR_TIME StopTime;
            [MarshalAs(UnmanagedType.ByValTStr, SizeConst = 128)]
            public string sFileName;
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 64, ArraySubType = UnmanagedType.I1)]
            public byte[] byRes;		/*保留*/
        }

        public const int MAX_BIGSCREENNUM_SCENE = 100;

        //显示通道配置结构
        [StructLayout(LayoutKind.Sequential)]
        public struct NET_DVR_RECTCFG_SCENE
        {
            public ushort wXCoordinate; /*矩形左上角起始点X坐标*/
            public ushort wYCoordinate; /*矩形左上角Y坐标*/
            public ushort wWidth;       /*矩形宽度*/
            public ushort wHeight;      /*矩形高度*/
        }

        [StructLayout(LayoutKind.Sequential)]
        public struct NET_DVR_SCENEDISPCFG
        {
            public byte byEnable;//是否启用，0-不启用，1-启用
            public byte bySoltNum;//槽位号
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 2, ArraySubType = UnmanagedType.I1)]
            public byte[] byRes1;
            public byte byDispChanNum;
            public byte byAudio;				/*音频是否开启,0-否，1-是*/
            public byte byAudioWindowIdx;      /*音频开启子窗口*/
            public byte byVedioFormat;          /*1:NTSC,2:PAL，0-NULL*/
            public byte byWindowMode;			/*画面模式，从能力集获取*/
            public byte byEnlargeStatus;         /*是否处于放大状态，0：不放大，1：放大*/
            public byte byEnlargeSubWindowIndex;//放大的子窗口号    
            public byte byScale; /*显示模式，0-真实显示，1-缩放显示( 针对BNC )*/
            public uint dwResolution;//分辨率
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = MAX_WINDOWS_V41, ArraySubType = UnmanagedType.I1)]
            public byte[] byJoinDecChan;/*各个子窗口关联的解码通道*/
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = MAX_WINDOWS_V41, ArraySubType = UnmanagedType.I1)]
            public byte[] byJoinDecoderId;/*槽位号*/
            //显示窗口所解视频分辨率，1-D1,2-720P,3-1080P，设备端需要根据此//分辨率进行解码通道的分配，如1分屏配置成1080P，则设备会把4个解码通道都分配给此解码通道
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = MAX_WINDOWS_V41, ArraySubType = UnmanagedType.I1)]
            public byte[] byDecResolution;
            public byte byRow;//大屏所在的行的序号
            public byte byColumn;//大屏所在的列的序号
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 5, ArraySubType = UnmanagedType.I1)]
            public byte[] byRes2;
            public NET_DVR_RECTCFG struDisp; //电视墙显示位置
        }

        [StructLayout(LayoutKind.Sequential)]
        public struct NET_DVR_DEV_CHAN_INFO_SCENE
        {
            public NET_DVR_IPADDR struIP;				/* DVR IP地址 */
            public ushort wDVRPort;			 	/* 端口号 */
            public byte byChannel;		/* 通道号，对于9000等设备的IPC接入，通道号从33开始 */
            public byte byTransProtocol;		/* 传输协议类型0-TCP，1-UDP ，2-MCAST，3-RTP*/
            public byte byTransMode;			/* 传输码流模式 0－主码流 1－子码流*/
            public byte byFactoryType;				/*前端设备厂家类型*/
            public byte byDeviceType;			//设备类型，1-IPC，2- ENCODER
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 5, ArraySubType = UnmanagedType.I1)]
            public byte[] byRes;
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = NAME_LEN, ArraySubType = UnmanagedType.I1)]
            public byte[] sUserName;	/* 监控主机登陆帐号 */
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = PASSWD_LEN, ArraySubType = UnmanagedType.I1)]
            public byte[] sPassword;	/* 监控主机密码 */
        }

        /*流媒体服务器基本配置*/
        [StructLayout(LayoutKind.Sequential)]
        public struct NET_DVR_STREAM_MEDIA_SERVER_CFG_SCENE
        {
            public byte byValid;			/*是否启用流媒体服务器取流,0表示无效*/
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 3, ArraySubType = UnmanagedType.I1)]
            public byte[] byRes1;
            public NET_DVR_IPADDR struDevIP;	/*流媒体服务器地址*/
            public ushort wDevPort;			/*流媒体服务器端口*/
            public byte byTransmitType;		/*传输协议类型0-TCP，1-UDP */
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 5, ArraySubType = UnmanagedType.I1)]
            public byte[] byRes2;
        }

        [StructLayout(LayoutKind.Sequential)]
        public struct NET_DVR_PU_STREAM_CFG_SCENE
        {
            public NET_DVR_STREAM_MEDIA_SERVER_CFG_SCENE streamMediaServerCfg;
            public NET_DVR_DEV_CHAN_INFO_SCENE struDevChanInfo;
        }

        [StructLayout(LayoutKind.Sequential)]
        public struct NET_DVR_CYC_SUR_CHAN_ELE_SCENE
        {
            public byte byEnable;	/* 是否启用 0－否 1－启用*/
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 3, ArraySubType = UnmanagedType.I1)]
            public byte[] byRes;
            public NET_DVR_STREAM_MEDIA_SERVER_CFG_SCENE struStreamMediaSvrCfg;
            public NET_DVR_DEV_CHAN_INFO_SCENE struDecChanInfo;	/*轮巡解码通道信息*/
        }

        //轮巡解码结构
        [StructLayout(LayoutKind.Sequential)]
        public struct NET_DVR_MATRIX_LOOP_DECINFO_SCENE
        {
            public ushort wPoolTime;		/*轮询间隔*/
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 2, ArraySubType = UnmanagedType.I1)]
            public byte[] byRes1;
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = MAX_CYCLE_CHAN, ArraySubType = UnmanagedType.Struct)]
            public NET_DVR_CYC_SUR_CHAN_ELE_SCENE[] struChanArray;
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 4, ArraySubType = UnmanagedType.I1)]
            public byte[] byRes2;
        }

        [StructLayout(LayoutKind.Sequential)]
        public struct NET_DVR_BIGSCREENCFG_SCENE
        {
            public byte byAllValid; /*漫游使能标志 */
            public byte byAssociateBaseMap;//关联的底图序号，0代表不关联
            public byte byEnableSpartan;//大屏畅显使能，1-开，0-关
            public byte byRes;
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = MAX_LAYERNUMS, ArraySubType = UnmanagedType.Struct)]
            public NET_DVR_WINCFG[] struWinCfg;
            public NET_DVR_BIGSCREENCFG struBigScreen;

            public void Init()
            {
                struBigScreen = new NET_DVR_BIGSCREENCFG();
                struWinCfg = new NET_DVR_WINCFG[MAX_LAYERNUMS];
            }
        }

        [StructLayout(LayoutKind.Sequential)]
        public struct NET_DVR_MATRIX_SCENECFG
        {
            public uint dwSize;
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = NAME_LEN, ArraySubType = UnmanagedType.I1)]
            public byte[] sSceneName;
            public byte byBigScreenNums;//大屏的个数，最大值通过能力集获取
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 3, ArraySubType = UnmanagedType.I1)]
            public byte[] byRes1;
            public ushort wDecChanNums;//场景中解码通道的个数
            public ushort wDispChanNums;//场景中显示通道的个数
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 12, ArraySubType = UnmanagedType.I1)]
            public byte[] byRes2;
            public IntPtr pBigScreenBuffer;//大屏配置缓冲区, byBigScreenNums×sizeof(NET_DVR_BIGSCREENCFG_SCENE)
            public IntPtr pDecChanBuffer;//解码通道配置缓冲区, wDecChanNums×sizeof(NET_DVR_DECODECHANCFG_SCENE)
            public IntPtr pDispChanBuffer;//显示通道配置缓冲区, wDispChanNums×sizeof(NET_DVR_SCENEDISPCFG)
            public void Init()
            {
                sSceneName = new byte[NAME_LEN];
                byRes1 = new byte[3];
                byRes1 = new byte[12];
            }
        }
        public const int NET_DVR_GET_ALLWINCFG = 1503; //窗口参数获取

        [StructLayout(LayoutKind.Sequential)]
        public struct NET_DVR_BIGSCREENASSOCIATECFG
        {
            public uint dwSize;
            public byte byEnableBaseMap;//使能底图显示
            public byte byAssociateBaseMap;//关联的底图序号，0代表不关联
            public byte byEnableSpartan;//大屏畅显使能，1-开，0-关
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 21, ArraySubType = UnmanagedType.I1)]
            public byte[] byRes;
        }

        /*******************************窗口设置*******************************/
        public const int MAX_WIN_COUNT = 224; //支持的最大开窗数

        [StructLayout(LayoutKind.Sequential)]
        public struct NET_DVR_SCREEN_WINCFG
        {
            public uint dwSize;
            public byte byVaild;
            public byte byInputType;		//见CAM_MDOE
            public ushort wInputIdx;			/*输入源索引*/
            public uint dwLayerIdx;			/*图层，0为最底层*/
            public NET_DVR_RECTCFG struWin;	//目的窗口(相对显示墙)
            public byte byWndIndex;			//窗口号
            public byte byCBD;				//0-无，1-带背景，2-不带背景
            public byte bySubWnd;			//0不是，1是
            public byte byRes1;
            public uint dwDeviceIndex;//设备序号
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 16, ArraySubType = UnmanagedType.I1)]
            public byte[] byRes2;
        }

        [StructLayout(LayoutKind.Sequential)]
        public struct NET_DVR_WINLIST
        {
            public uint dwSize;
            public ushort wScreenSeq;	//设备序号
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 10, ArraySubType = UnmanagedType.I1)]
            public byte[] byRes;
            public uint dwWinNum;	//设备返回的窗口数量
            public IntPtr pBuffer;	//窗口信息缓冲区，最大为224*sizeof(NET_DVR_WINCFG)
            public uint dwBufLen;	//所分配指针长度
        }

        public const int MAX_LAYOUT_COUNT = 16;		//最大布局数

        [StructLayout(LayoutKind.Sequential)]
        public struct NET_DVR_LAYOUTCFG
        {
            public uint dwSize;
            public byte byValid;								//布局是否有效
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 3, ArraySubType = UnmanagedType.I1)]
            public byte[] byRes1;
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = NAME_LEN, ArraySubType = UnmanagedType.I1)]
            public byte[] byLayoutName;			//布局名称			
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = MAX_WIN_COUNT, ArraySubType = UnmanagedType.Struct)]
            public NET_DVR_SCREEN_WINCFG[] struWinCfg;	//布局内窗口参数
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 16, ArraySubType = UnmanagedType.I1)]
            public byte[] byRes2;
        }

        [StructLayout(LayoutKind.Sequential)]
        public struct NET_DVR_LAYOUT_LIST
        {
            public uint dwSize;
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = MAX_LAYOUT_COUNT, ArraySubType = UnmanagedType.Struct)]
            public NET_DVR_LAYOUTCFG[] struLayoutInfo;   //所有布局
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 4, ArraySubType = UnmanagedType.I1)]
            public byte[] byRes;
        }

        public const int MAX_CAM_COUNT = 224;

        public enum NET_DVR_CAM_MODE
        {
            NET_DVR_UNKNOW = 0,//无效
            NET_DVR_CAM_BNC,
            NET_DVR_CAM_VGA,
            NET_DVR_CAM_DVI,
            NET_DVR_CAM_HDMI,
            NET_DVR_CAM_IP,
            NET_DVR_CAM_RGB,
            NET_DVR_CAM_DECODER,
            NET_DVR_CAM_MATRIX,
            NET_DVR_CAM_YPBPR,
            NET_DVR_CAM_USB,
        }

        [StructLayout(LayoutKind.Sequential)]
        public struct NET_DVR_INPUTSTREAMCFG
        {
            public uint dwSize;
            public byte byValid;
            public byte byCamMode;						//信号输入源类型，见NET_DVR_CAM_MODE
            public ushort wInputNo;						//信号源序号0-224
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = NAME_LEN, ArraySubType = UnmanagedType.I1)]
            public byte[] sCamName;			//信号输入源名称
            public NET_DVR_VIDEOEFFECT struVideoEffect;	//视频参数
            public NET_DVR_PU_STREAM_CFG struPuStream;	//ip输入时使用
            public ushort wBoardNum;						//信号源所在的板卡号
            public ushort wInputIdxOnBoard;				//信号源在板卡上的位置
            public ushort wResolutionX;					//分辨率
            public ushort wResolutionY;
            public byte byVideoFormat;					//视频制式，0-无，1-NTSC，2-PAL
            public byte byNetSignalResolution;	//; 1-CIF 2-4CIF 3-720P 4-1080P 5-500wp 。网络信号源的分辨率，在添加网络信号源时传给设备，设备根据这个分辨率来分配解码资源。
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = NAME_LEN, ArraySubType = UnmanagedType.I1)]
            public byte[] sGroupName;	//网络信号源分组 组名
            public byte byJointMatrix;			//  关联矩阵 ，0-不关联  1-关联
            public byte byRes;
        }

        [StructLayout(LayoutKind.Sequential)]
        public struct NET_DVR_INPUTSTREAM_LIST
        {
            public uint dwSize;
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = MAX_CAM_COUNT, ArraySubType = UnmanagedType.Struct)]
            public NET_DVR_INPUTSTREAMCFG[] struInputStreamInfo; //所有信号源
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 4, ArraySubType = UnmanagedType.I1)]
            public byte[] byRes;
        }

        /*******************************输出参数配置*******************************/
        /*输出通道管理*/
        [StructLayout(LayoutKind.Sequential)]
        public struct NET_DVR_OUTPUTPARAM
        {
            public uint dwSize;
            public byte byMonMode;		/*输出连接模式,1-BNC,2-VGA,3-DVI,4-HDMI*/
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 3, ArraySubType = UnmanagedType.I1)]
            public byte[] byRes1;
            public uint dwResolution;	/*分辨率，根据能力集获取所支持的进行设置*/
            public NET_DVR_VIDEOEFFECT struVideoEffect;	/*输出通道视频参数配置*/
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 32, ArraySubType = UnmanagedType.I1)]
            public byte[] byRes2;
        }

        [StructLayout(LayoutKind.Sequential)]
        public struct NET_DVR_OUTPUTCFG
        {
            public uint dwSize;
            public byte byScreenLayX;						//大屏布局-横坐标
            public byte byScreenLayY;						//大屏布局-纵坐标
            public ushort wOutputChanNum;					//输出通道个数，0表示设备支持的最大输出通道个数，最大个数从能力集获取，其他值表示实际输出通道个数
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 4, ArraySubType = UnmanagedType.I1)]
            public byte[] byRes1;
            public NET_DVR_OUTPUTPARAM struOutputParam;	/*输出通道视频参数配置*/
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 16, ArraySubType = UnmanagedType.I1)]
            public byte[] sWallName;					//电视墙名称
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 8, ArraySubType = UnmanagedType.I1)]
            public byte[] byRes2;
        }

        /*******************************能力集*******************************/
        public const int SCREEN_PROTOCOL_NUM = 20;   //支持的最大大屏控制器协议数

        //多屏服务器能力集
        [StructLayout(LayoutKind.Sequential)]
        public struct NET_DVR_SCREENSERVER_ABILITY
        {
            public uint dwSize;   			/*结构长度*/
            public byte byIsSupportScreenNum; /*所支持大屏控制器的数目*/
            public byte bySerialNums;			//串口个数
            public byte byMaxInputNums;
            public byte byMaxLayoutNums;
            public byte byMaxWinNums;
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 19, ArraySubType = UnmanagedType.I1)]
            public byte[] byRes1;
            public byte byMaxScreenLayX;//大屏布局-最大横坐标大屏数
            public byte byMaxScreenLayY;//大屏布局-最大纵坐标大屏数
            public ushort wMatrixProtoNum; /*有效的大屏协议数目*/
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = SCREEN_PROTOCOL_NUM, ArraySubType = UnmanagedType.Struct)]
            public NET_DVR_PROTO_TYPE[] struScreenProto;/*最大协议列表*/
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 24, ArraySubType = UnmanagedType.I1)]
            public byte[] byRes2;
        }

        //多屏控制器能力集
        [StructLayout(LayoutKind.Sequential)]
        public struct NET_DVR_SCREENCONTROL_ABILITY
        {
            public uint dwSize;   		/*结构长度*/
            public byte byLayoutNum; 		/* 布局个数*/
            public byte byWinNum; 			/*屏幕窗口个数*/
            public byte byOsdNum;  		/*OSD个数*/
            public byte byLogoNum; 		/*Logo个数*/
            public byte byInputStreamNum;  //输入源个数 ---设备支持最大输入通道个数（包括本地输入源和网络输入源）
            public byte byOutputChanNum;	//输出通道个数---设备支持最大输出通道个数
            public byte byCamGroupNum;		/*分组个数*/
            public byte byPlanNum;    		/*预案个数*/
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 5, ArraySubType = UnmanagedType.I1)]
            public byte[] byRes1;
            public byte byIsSupportPlayBack;  /*是否支持回放*/
            public byte byMatrixInputNum;  //支持输入矩阵最大个数
            public byte byMatrixOutputNum; //支持输出矩阵最大个数
            public NET_DVR_DISPINFO struVgaInfo;//VGA输出信息
            public NET_DVR_DISPINFO struBncInfo;//BNC输出信息
            public NET_DVR_DISPINFO struHdmiInfo;//HDMI输出信息
            public NET_DVR_DISPINFO struDviInfo;//DVI输出信息
            public byte byMaxUserNums;//支持用户数
            public byte byPicSpan;		//底图跨度，一张底图最多可覆盖的屏幕数
            public ushort wDVCSDevNum;	//分布式大屏控制器最大设备数
            public ushort wNetSignalNum;	//最大网络输入源个数
            public ushort wBaseCoordinateX;//基准坐标
            public ushort wBaseCoordinateY;
            public byte byExternalMatrixNum;	//最大外接矩阵个数
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 49, ArraySubType = UnmanagedType.I1)]
            public byte[] byRes2;
        }

        /*******************************输入信号状态*******************************/
        [StructLayout(LayoutKind.Sequential)]
        public struct NET_DVR_ANALOGINPUTSTATUS
        {
            public uint dwLostFrame;		/*视频输入丢帧数*/
            public byte byHaveSignal;		/*是否有视频信号输入*/
            public byte byVideoFormat;		/*视频制式，1：NTSC,2：PAL,0：无*/
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 46, ArraySubType = UnmanagedType.I1)]
            public byte[] byRes;
        }

        [StructLayout(LayoutKind.Explicit)]
        public struct NET_DVR_INPUTSTATUS_UNION
        {
            [FieldOffset(0)]
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 52, ArraySubType = UnmanagedType.I1)]
            public byte[] byRes;

            /*[FieldOffsetAttribute(0)]
            public NET_DVR_MATRIX_CHAN_STATUS struIpInputStatus;
            [FieldOffsetAttribute(0)]
            public NET_DVR_ANALOGINPUTSTATUS struAnalogInputStatus;
             * */
        }

        [StructLayout(LayoutKind.Sequential)]
        public struct NET_DVR_INPUTSTATUS
        {
            public ushort wInputNo;		/*信号源序号*/
            public byte byInputType;	//见NET_DVR_CAM_MODE
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 9, ArraySubType = UnmanagedType.I1)]
            public byte[] byRes1;
            public NET_DVR_INPUTSTATUS_UNION struStatusUnion;
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 16, ArraySubType = UnmanagedType.I1)]
            public byte[] byRes2;
        }

        [StructLayout(LayoutKind.Sequential)]
        public struct NET_DVR_SCREENINPUTSTATUS
        {
            public uint dwSize;
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 12, ArraySubType = UnmanagedType.I1)]
            public byte[] byRes;
            public uint dwNums;		//设备返回的输入源状态的数量
            public IntPtr pBuffer;	//缓冲区
            public uint dwBufLen;	//所分配指针长度，输入参数
        }

        [StructLayout(LayoutKind.Sequential)]
        public struct NET_DVR_SCREENALARMCFG
        {
            public uint dwSize;
            public byte byAlarmType;	//报警类型，1-子板拔出，2-子板插入，3-子系统状态异常，4-子系统恢复恢复 5-输入源异常   6-温度报警 7-FPGA版本不匹配 8-预案开始 9-预案结束 10-解码板断网 11-解码板IP地址冲突，12-风扇异常
            public byte byBoardType;	// 1-输入板 2-输出板 ，3-主板，4-背板，报警类型为1，2，3，6的时候使用 
            public byte bySubException;	//输入异常时具体子异常 1- 分辨率正常改变 2-输入端口类型改变3-分辨率错误4-分辨率改变导致解码资源不足，关闭该输入源对应窗口。5-分辨率改变，导致已开窗的缩放比例不在1/8到8倍范围。6-分辨率恢复正常,7-分辨率改变导致输出板数据量超限,设备关闭窗口 
            public byte byRes1;
            public ushort wStartInputNum; // 异常输入源（异常起点） 
            public ushort wEndInputNum;	// 异常输入源（异常终点） 
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 16, ArraySubType = UnmanagedType.I1)]
            public byte[] byRes2;
        }

        [StructLayout(LayoutKind.Sequential)]
        public struct NET_DVR_MATRIX_CFG
        {
            public byte byValid;				//判断是否是模拟矩阵（是否有效）
            public byte byCommandProtocol;	//模拟矩阵的指令（4种）
            public byte byScreenType;			//保留	
            public byte byRes1;
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 32, ArraySubType = UnmanagedType.I1)]
            public byte[] byScreenToMatrix;	//模拟矩阵的输出与屏幕的对应关系
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 4, ArraySubType = UnmanagedType.I1)]
            public byte[] byRes2;
        }

        [StructLayout(LayoutKind.Sequential)]
        public struct NET_DVR_DIGITALSCREEN
        {
            public NET_DVR_IPADDR struAddress;/*设备为数字设备时的IP信息*/
            public ushort wPort;		//通道号
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 26, ArraySubType = UnmanagedType.I1)]
            public byte[] byRes;  //保留
        }

        [StructLayout(LayoutKind.Sequential)]
        public struct NET_DVR_ANALOGSCREEN
        {
            public byte byDevSerPortNum;   /*连接设备的串口号*/
            public byte byScreenSerPort;  /*连接大屏的串口号*/
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 130, ArraySubType = UnmanagedType.I1)]
            public byte[] byRes;
            public NET_DVR_MATRIX_CFG struMatrixCfg;
        }

        [StructLayout(LayoutKind.Explicit)]
        public struct NET_DVR_SCREEN_UNION
        {
            [FieldOffset(0)]
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 172, ArraySubType = UnmanagedType.I1)]
            public byte[] byRes;

            /*[FieldOffsetAttribute(0)]
            public NET_DVR_DIGITALSCREEN struDigitalScreen;
            [FieldOffsetAttribute(0)]
            public NET_DVR_ANALOGSCREEN struAnalogScreen;
             * */
        }

        [StructLayout(LayoutKind.Sequential)]
        public struct NET_DVR_SCREEN_SCREENINFO
        {
            public uint dwSize;
            public byte byValid;				//是否有效
            public byte nLinkMode;				//连接方式，0-串口，1-网口
            public byte byDeviceType;			//设备型号，能力集获取
            public byte byScreenLayX;			//大屏布局-横坐标
            public byte byScreenLayY;			//大屏布局-纵坐标
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 3, ArraySubType = UnmanagedType.I1)]
            public byte[] byRes1;
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = NAME_LEN, ArraySubType = UnmanagedType.I1)]
            public byte[] sUserName;	/*登录用户名*/
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = PASSWD_LEN, ArraySubType = UnmanagedType.I1)]
            public byte[] sPassword; /*登录密码*/
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = NAME_LEN, ArraySubType = UnmanagedType.I1)]
            public byte[] sDevName;	/*设备名称*/
            public NET_DVR_SCREEN_UNION struScreenUnion;
            public byte byInputNum;			// 输入源个数
            public byte byOutputNum;			// 输出源个数
            public byte byCBDNum;				//CBD个数
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 29, ArraySubType = UnmanagedType.I1)]
            public byte[] byRes2;
        }

        /*******************************底图上传*******************************/
        [StructLayout(LayoutKind.Sequential)]
        public struct NET_DVR_BASEMAP_CFG
        {
            public byte byScreenIndex;         //屏幕的序号
            public byte byMapNum;				/*被分割成了多少块*/
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 2, ArraySubType = UnmanagedType.I1)]
            public byte[] res;
            public ushort wSourWidth;			/* 原图片的宽度 */
            public ushort wSourHeight;			/* 原图片的高度 */
        }

        /*******************************OSD*******************************/
        public const int MAX_OSDCHAR_NUM = 256;

        [StructLayout(LayoutKind.Sequential)]
        public struct NET_DVR_OSDCFG
        {
            public uint dwSize;
            public byte byValid;    /*是否有效 0无效 1有效*/
            public byte byDispMode;  //显示模式，1-透明，2-半透明，3-覆盖三种模式
            public byte byFontColorY; /*字体颜色Y,0-255*/
            public byte byFontColorU; /*字体颜色U,0-255*/
            public byte byFontColorV; /*字体颜色V,0-255*/
            public byte byBackColorY; /*背景颜色Y,0-255*/
            public byte byBackColorU; /*背景颜色U,0-255*/
            public byte byBackColorV; /*背景颜色V,0-255*/
            public ushort wXCoordinate;   /*OSD在屏幕左上角位置x*/
            public ushort wYCoordinate;   /*OSD在屏幕左上角位置y*/
            public ushort wWidth;       /*OSD宽度*/
            public ushort wHeight;      /*OSD高度*/
            public uint dwCharCnt;     /*字符的个数*/
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = MAX_OSDCHAR_NUM, ArraySubType = UnmanagedType.U2)]
            public ushort[] wOSDChar;       /*OSD字符内容*/
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 32, ArraySubType = UnmanagedType.I1)]
            public byte[] byRes;
        }

        /*******************************获取串口信息*******************************/
        [StructLayout(LayoutKind.Sequential)]
        public struct NET_DVR_SERIAL_CONTROL
        {
            public uint dwSize;
            public byte bySerialNum;        // 串口个数
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 3, ArraySubType = UnmanagedType.I1)]
            public byte[] byRes1;
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 32, ArraySubType = UnmanagedType.I1)]
            public byte[] bySerial;
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 32, ArraySubType = UnmanagedType.I1)]
            public byte[] byRes2;
        }

        /*******************************屏幕控制*******************************/
        //屏幕输入源控制
        public enum INPUT_INTERFACE_TYPE
        {
            INTERFACE_VGA = 0,
            INTERFACE_SVIDEO, // 2046NL不支持，2046NH支持
            INTERFACE_YPBPR,
            INTERFACE_DVI,
            INTERFACE_BNC,
            INTERFACE_DVI_LOOP,//(环通) 2046NH不支持，2046NL支持
            INTERFACE_BNC_LOOP, //(环通) 2046NH不支持，2046NL.支持
            INTERFACE_HDMI,
        }

        [StructLayout(LayoutKind.Sequential)]
        public struct NET_DVR_INPUT_INTERFACE_CTRL
        {
            public byte byInputSourceType;	//见INPUT_INTERFACE_TYPE
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 15, ArraySubType = UnmanagedType.I1)]
            public byte[] byRes;
        }

        //显示单元颜色控制
        [StructLayout(LayoutKind.Sequential)]
        public struct NET_DVR_DISPLAY_COLOR_CTRL
        {
            public byte byColorType;		//1-亮度 2-对比度 3-饱和度 4-清晰度
            public char byScale;			//-1 、0、+1三个值
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 14, ArraySubType = UnmanagedType.I1)]
            public byte[] byRes;
        }

        //显示单元位置控制
        [StructLayout(LayoutKind.Sequential)]
        public struct NET_DVR_DISPLAY_POSITION_CTRL
        {
            public byte byPositionType;	//1-水平位置 2-垂直位置，
            public char byScale;			//-1 、0、+1三个值
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 14, ArraySubType = UnmanagedType.I1)]
            public byte[] byRes;
        }

        [StructLayout(LayoutKind.Explicit)]
        public struct NET_DVR_SCREEN_CONTROL_PARAM
        {
            /*[FieldOffsetAttribute(0)]
            public NET_DVR_INPUT_INTERFACE_CTRL struInputCtrl;
            [FieldOffsetAttribute(0)]
            public NET_DVR_DISPLAY_COLOR_CTRL struDisplayCtrl;
            [FieldOffsetAttribute(0)]
            public NET_DVR_DISPLAY_POSITION_CTRL struPositionCtrl;
            [FieldOffsetAttribute(0)]
             * */
            [FieldOffset(0)]
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 16, ArraySubType = UnmanagedType.I1)]
            public byte[] byRes;
        }

        [StructLayout(LayoutKind.Sequential)]
        public struct NET_DVR_SCREEN_CONTROL
        {
            public uint dwSize;
            public uint dwCommand;      /* 控制方法 1-开 2-关 3-屏幕输入源选择 4-显示单元颜色控制 5-显示单元位置控制*/
            public byte byProtocol;      //串口协议类型,1:LCD-S1,2:LCD-S2
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 3, ArraySubType = UnmanagedType.I1)]
            public byte[] byRes1;
            public NET_DVR_SCREEN_CONTROL_PARAM struControlParam;
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 52, ArraySubType = UnmanagedType.I1)]
            public byte[] byRes2;
        }

        /*******************************屏幕控制V41*******************************/
        [StructLayout(LayoutKind.Sequential)]
        public struct NET_DVR_SCREEN_CONTROL_V41
        {
            public uint dwSize;
            public byte bySerialNo;		//串口号
            public byte byBeginAddress;	//左上角屏幕号，从1开始
            public byte byEndAddress;	//右下角屏幕号，从1开始
            public byte byProtocol;      	   // 串口协议类型  1-LCD-S1 , 2-LCD-S2 , 3-LCD-L1 ， 4-LCD-DLP， 5-LCD-S3 , 6-LCD-H1 
            public uint dwCommand;      /* 控制方法 1-开 2-关 3-屏幕输入源选择 4-显示单元颜色控制 5-显示单元位置控制*/
            public NET_DVR_SCREEN_CONTROL_PARAM struControlParam;
            public byte byWallNo;		// 电视墙号
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 51, ArraySubType = UnmanagedType.I1)]
            public byte[] byRes;
        }

        /*******************************预案管理*******************************/
        public const int MAX_PLAN_ACTION_NUM = 32; 	//预案动作个数
        public const int DAYS_A_WEEK = 7;	//一周7天
        public const int MAX_PLAN_COUNT = 16;	//预案个数

        public enum NET_DVR_PLAN_OPERATE_TYPE
        {
            NET_DVR_SWITCH_LAYOUT = 1,      // 布局切换 默认
            NET_DVR_SCREEN_POWER_OFF,       // 关闭大屏幕显示
            NET_DVR_SCREEN_POWER_ON,   		// 打开大屏幕显示
        }

        /*预案项信息*/
        [StructLayout(LayoutKind.Sequential)]
        public struct NET_DVR_PLAN_INFO
        {
            public byte byValid;      	// 该项是否有效
            public byte byType;       	// 见定义NET_DVR_PLAN_OPERATE_TYPE
            public ushort wLayoutNo;  	// 布局号
            public byte byScreenStyle;    //屏幕型号，开关机所用，1是低亮，2是高亮
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 3, ArraySubType = UnmanagedType.I1)]
            public byte[] byRes1;
            public uint dwDelayTime;  	// 一个项的运行时间, 单位秒
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 32, ArraySubType = UnmanagedType.I1)]
            public byte[] byRes2;
        }

        [StructLayout(LayoutKind.Sequential)]
        public struct NET_DVR_CYCLE_TIME
        {
            public byte byValid;
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 3, ArraySubType = UnmanagedType.I1)]
            public byte[] byRes;
            public NET_DVR_TIME_EX struTime;
        }

        /*预案管理*/
        [StructLayout(LayoutKind.Sequential)]
        public struct NET_DVR_PLAN_CFG
        {
            public uint dwSize;
            public byte byValid;      	// 该预案是否有效
            public byte byWorkMode;  	// 预案工作模式 1表示手动，2自动，3预案循环
            public byte byWallNo;		//电视墙号，从1开始
            public byte byRes1;
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = NAME_LEN, ArraySubType = UnmanagedType.I1)]
            public byte[] byPlanName; //预案名称
            public NET_DVR_TIME_EX struTime; // 工作模式为自动时使用
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = DAYS_A_WEEK, ArraySubType = UnmanagedType.Struct)]
            public NET_DVR_CYCLE_TIME[] struTimeCycle; /*循环时间，周期为一个星期，年、月、日三个参数不使用。如：struTimeCycle[0]中的byValid的值是1，表示星期天执行该预案。星期取值区间为[0,6]，其中0代表星期天，1代表星期一，以此类推*/
            public uint dwWorkCount;  	// 预案内容执行次数，0为一直循环播放，其他值表示次数
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = MAX_PLAN_ACTION_NUM, ArraySubType = UnmanagedType.Struct)]
            public NET_DVR_PLAN_INFO[] strPlanEntry;  // 预案执行的内容
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 64, ArraySubType = UnmanagedType.I1)]
            public byte[] byRes2;
        }

        /*******************************获取设备状态*******************************/
        /*预案列表*/
        [StructLayout(LayoutKind.Sequential)]
        public struct NET_DVR_PLAN_LIST
        {
            public uint dwSize;
            public uint dwPlanNums;			//设备输入信号源数量
            public IntPtr pBuffer;			//指向dwInputSignalNums个NET_DVR_PLAN_CFG结构大小的缓冲区
            public byte byWallNo;			//墙号，从1开始
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 2, ArraySubType = UnmanagedType.I1)]
            public byte[] byRes1;
            public uint dwBufLen;			//所分配缓冲区长度，输入参数（大于等于dwInputSignalNums个NET_DVR_PLAN_CFG结构大小）
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 64, ArraySubType = UnmanagedType.I1)]
            public byte[] byRes2;
        }

        /*******************************预案控制*******************************/
        //该结构体可作为通用控制结构体
        [StructLayout(LayoutKind.Sequential)]
        public struct NET_DVR_CONTROL_PARAM
        {
            public uint dwSize;
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = NAME_LEN, ArraySubType = UnmanagedType.I1)]
            public byte[] sDeviceID; //被控设备的设备ID
            public ushort wChan;				 //被控通道
            public byte byIndex;			 //控制索引，根据命令确定具体表示什么索引
            public byte byRes1;
            public uint dwControlParam;
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 32, ArraySubType = UnmanagedType.I1)]
            public byte[] byRes2;
        }

        /*******************************获取设备状态*******************************/
        [StructLayout(LayoutKind.Sequential)]
        public struct NET_DVR_DEVICE_RUN_STATUS
        {
            public uint dwSize;
            public uint dwMemoryTotal;		//内存总量	单位Kbyte
            public uint dwMemoryUsage;		//内存使用量 单位Kbyte
            public byte byCPUUsage;			//CPU使用率 0-100
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 127, ArraySubType = UnmanagedType.I1)]
            public byte[] byRes;
        }

        //91系列HD-SDI高清DVR 相机信息
        [StructLayout(LayoutKind.Sequential)]
        public struct NET_DVR_ACCESS_CAMERA_INFO
        {
            public uint dwSize;
            [MarshalAs(UnmanagedType.ByValTStr, SizeConst = 32)]
            public string sCameraInfo;		// 前端相机信息
            public byte byInterfaceType;		// 前端接入接口类型，1:VGA, 2:HDMI, 3:YPbPr 4:SDI 5:FC
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 3, ArraySubType = UnmanagedType.I1)]
            public byte[] byRes1;
            public uint dwChannel;
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 24, ArraySubType = UnmanagedType.I1)]
            public byte[] byRes;
        }

        [StructLayout(LayoutKind.Sequential)]
        public struct NET_DVR_AUDIO_INPUT_PARAM
        {
            public byte byAudioInputType;  //音频输入类型，0-mic in，1-line in
            public byte byVolume; //volume,[0-100]
            public byte byEnableNoiseFilter; //是否开启声音过滤-关，-开
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 5, ArraySubType = UnmanagedType.I1)]
            public byte[] byres;
        }

        [StructLayout(LayoutKind.Sequential)]
        public struct NET_DVR_CAMERA_DEHAZE_CFG
        {
            public uint dwSize;
            public byte byDehazeMode; //0-不启用，1-自动模式，2-开
            public byte byLevel; //等级，0-100
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 6, ArraySubType = UnmanagedType.I1)]
            public byte[] byRes;
        }

        [StructLayout(LayoutKind.Sequential)]
        public struct NET_DVR_INPUT_SIGNAL_LIST
        {
            public uint dwSize;
            public uint dwInputSignalNums;	//设备输入信号源数量
            public IntPtr pBuffer;			//指向dwInputSignalNums个NET_DVR_INPUTSTREAMCFG结构大小的缓冲区
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 3, ArraySubType = UnmanagedType.I1)]
            public byte[] byRes1;
            public uint dwBufLen;			//所分配缓冲区长度，输入参数（大于等于dwInputSignalNums个NET_DVR_INPUTSTREAMCFG结构大小）
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 64, ArraySubType = UnmanagedType.I1)]
            public byte[] byRes2;
        }

        //安全拔盘状态
        public const int PULL_DISK_SUCCESS = 1;     // 安全拔盘成功
        public const int PULL_DISK_FAIL = 2;        // 安全拔盘失败
        public const int PULL_DISK_PROCESSING = 3;  // 正在停止阵列
        public const int PULL_DISK_NO_ARRAY = 4;	// 阵列不存在 
        public const int PULL_DISK_NOT_SUPPORT = 5; // 不支持安全拔盘

        //扫描阵列状态
        public const int SCAN_RAID_SUC = 1; 	// 扫描阵列成功
        public const int SCAN_RAID_FAIL = 2; 	// 扫描阵列失败
        public const int SCAN_RAID_PROCESSING = 3;	// 正在扫描阵列
        public const int SCAN_RAID_NOT_SUPPORT = 4; // 不支持阵列扫描

        //设置前端相机类型状态
        public const int SET_CAMERA_TYPE_SUCCESS = 1;  // 成功
        public const int SET_CAMERA_TYPE_FAIL = 2;  // 失败
        public const int SET_CAMERA_TYPE_PROCESSING = 3;   // 正在处理

        //9000 2.2
        [StructLayout(LayoutKind.Sequential)]
        public struct NET_DVR_RECORD_TIME_SPAN_INQUIRY
        {
            public uint dwSize;    //结构体大小
            public byte byType;    //0 正常音视频录像, 1图片通道录像, 2ANR通道录像, 3抽帧通道录像
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 63, ArraySubType = UnmanagedType.I1)]
            public byte[] byRes; //保留
        }

        [StructLayout(LayoutKind.Sequential)]
        public struct NET_DVR_RECORD_TIME_SPAN
        {
            public uint dwSize;        //结构体大小
            public NET_DVR_TIME strBeginTime;  //开始时间
            public NET_DVR_TIME strEndTime;    //结束时间
            public byte byType;        //0 正常音视频录像, 1图片通道录像, 2ANR通道录像, 3抽帧通道录像
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 35, ArraySubType = UnmanagedType.I1)]
            public byte[] byRes;     //保留
        }

        [StructLayout(LayoutKind.Sequential)]
        public struct NET_DVR_DRAWFRAME_DISK_QUOTA_CFG
        {
            public uint dwSize;					//结构体大小
            public byte byPicQuota;				//图片百分比	 [0%,  30%]
            public byte byRecordQuota;				//普通录像百分比 [20%, 40%]
            public byte byDrawFrameRecordQuota;	//抽帧录像百分比 [30%, 80%]
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 61, ArraySubType = UnmanagedType.I1)]
            public byte[] byRes;					//保留字节
        }

        //端口映射配置结构体
        [StructLayout(LayoutKind.Sequential)]
        public struct NET_DVR_NAT_PORT
        {
            public ushort wEnable;
            public ushort wExtPort;
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 12, ArraySubType = UnmanagedType.I1)]
            public byte[] byRes;
        }

        //端口映射配置结构体
        [StructLayout(LayoutKind.Sequential)]
        public struct NET_DVR_NAT_CFG
        {
            public uint dwSize;
            public ushort wEnableUpnp;
            public ushort wEnableNat;
            public NET_DVR_IPADDR struIpAddr;//夏时制停止时间
            public NET_DVR_NAT_PORT struHttpPort;//夏时制停止时间
            public NET_DVR_NAT_PORT struCmdPort;//夏时制停止时间
            public NET_DVR_NAT_PORT struRtspPort;//夏时制停止时间
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 64, ArraySubType = UnmanagedType.I1)]
            public byte[] byFriendName;
            public byte byNatType;
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 3, ArraySubType = UnmanagedType.I1)]
            public byte[] byRes1;
            public NET_DVR_NAT_PORT struHttpsPort;//夏时制停止时间
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 76, ArraySubType = UnmanagedType.I1)]
            public byte[] byRes;
        }

        //Upnp端口映射状态结构体
        [StructLayout(LayoutKind.Sequential)]
        public struct NET_DVR_UPNP_PORT_STATE
        {
            public uint dwEnabled;//该端口是否被使能映射
            public ushort wInternalPort;//映射前的端口
            public ushort wExternalPort;//映射后的端口
            public uint dwStatus;//端口映射状态：0- 未生效；1- 未生效：映射源端口与目的端口需一致；2- 未生效：映射端口号已被使用；3- 生效
            public NET_DVR_IPADDR struNatExternalIp;//映射后的外部地址
            public NET_DVR_IPADDR struNatInternalIp;
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 16, ArraySubType = UnmanagedType.I1)]
            public byte[] byRes;//保留
        }

        //Upnp端口映射状态结构体
        [StructLayout(LayoutKind.Sequential)]
        public struct NET_DVR_UPNP_NAT_STATE
        {
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 12, ArraySubType = UnmanagedType.Struct)]
            public NET_DVR_UPNP_PORT_STATE[] strUpnpPort;//端口映射状态:：数组0- web server端口，数组1- 管理端口，数组2- rtsp端
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 200, ArraySubType = UnmanagedType.I1)]
            public byte[] byRes;//保留
        }

        [StructLayout(LayoutKind.Sequential)]
        public struct NET_DVR_PLAYCOND
        {
            public uint dwChannel;
            public NET_DVR_TIME struStartTime;
            public NET_DVR_TIME struStopTime;
            public byte byDrawFrame;  //0:不抽帧，1：抽帧
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 63, ArraySubType = UnmanagedType.I1)]
            public byte[] byRes;    //保留
        }

        //录像回放结构体
        [StructLayout(LayoutKind.Sequential)]
        public struct NET_DVR_VOD_PARA
        {
            public uint dwSize; //结构体大小
            public NET_DVR_STREAM_INFO struIDInfo; //流ID信息
            public NET_DVR_TIME struBeginTime;//回放开始时间
            public NET_DVR_TIME struEndTime;//回放结束时间
            public IntPtr hWnd;//回放窗口
            public byte byDrawFrame;//是否抽帧：0- 不抽帧，1- 抽帧
            public byte byVolumeType;//0-普通录像卷，1-存档卷，适用于CVR设备，普通卷用于通道录像，存档卷用于备份录像
            public byte byVolumeNum;//存档卷号 
            public byte byRes1;//保留
            public uint dwFileIndex;//存档卷上的录像文件索引，搜索存档卷录像时返回的值
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 24, ArraySubType = UnmanagedType.I1)]
            public byte[] byRes2;    //保留
        }

        [StructLayout(LayoutKind.Sequential)]
        public struct NET_DVR_ATMFINDINFO
        {
            public byte byTransactionType;       //交易类型 0-全部，1-查询， 2-取款， 3-存款， 4-修改密码，5-转账， 6-无卡查询 7-无卡存款， 8-吞钞 9-吞卡 10-自定义
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 3, ArraySubType = UnmanagedType.I1)]
            public byte[] byRes;    //保留
            public uint dwTransationAmount;     //交易金额 ;
        }

        [StructLayout(LayoutKind.Explicit)]
        public struct NET_DVR_SPECIAL_FINDINFO_UNION
        {
            [FieldOffset(0)]
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 8, ArraySubType = UnmanagedType.I1)]
            public byte[] byLenth;
            /* [FieldOffsetAttribute(0)]
             public NET_DVR_ATMFINDINFO struATMFindInfo;	       //ATM查询
             * */
        }

        [StructLayout(LayoutKind.Sequential)]
        public struct NET_DVR_FILECOND_V40
        {
            public Int32 lChannel;
            public uint dwFileType;
            public uint dwIsLocked;
            public uint dwUseCardNo;
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = CARDNUM_LEN_OUT, ArraySubType = UnmanagedType.I1)]
            public byte[] sCardNumber;
            public NET_DVR_TIME struStartTime;
            public NET_DVR_TIME struStopTime;
            public byte byDrawFrame; //0:不抽帧，1：抽帧
            public byte byFindType; //0:查询普通卷，1：查询存档卷
            public byte byQuickSearch; //0:普通查询，1：快速（日历）查询
            public byte bySpecialFindInfoType;    //专有查询条件类型 0-无效， 1-带ATM查询条件  
            public uint dwVolumeNum;  //存档卷号
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = GUID_LEN, ArraySubType = UnmanagedType.I1)]
            public byte[] byWorkingDeviceGUID;    //工作机GUID，通过获取N+1得到
            public NET_DVR_SPECIAL_FINDINFO_UNION uSpecialFindInfo;   //专有查询条件
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 32, ArraySubType = UnmanagedType.I1)]
            public byte[] byRes2;    //保留
        }

        [StructLayout(LayoutKind.Sequential)]
        public struct NET_DVR_AES_KEY_INFO
        {
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 16, ArraySubType = UnmanagedType.I1)]
            public byte[] sAESKey;  /*码流加密密钥*/
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 64, ArraySubType = UnmanagedType.I1)]
            public byte[] byRes;  /*保留字节*/
        }

        [StructLayout(LayoutKind.Sequential)]
        public struct NET_DVR_POE_CFG
        {
            public NET_DVR_IPADDR struIP;     //IP地址
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 128, ArraySubType = UnmanagedType.I1)]
            public byte[] byRes; //保留
        }

        public const int MAX_PRO_PATH = 256; //最大协议路径长度

        [StructLayout(LayoutKind.Sequential)]
        public struct NET_DVR_CUSTOM_PROTOCAL
        {
            public uint dwSize;              //结构体大小
            public uint dwEnabled;           //是否启用该协议0 不启用 1 启用
            [MarshalAs(UnmanagedType.ByValTStr, SizeConst = DESC_LEN)]
            public string sProtocalName;   //自定义协议名称, 16位
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 64, ArraySubType = UnmanagedType.I1)]
            public byte[] byRes1;          //保留,用于协议名称扩展
            public uint dwEnableSubStream;   //子码流是否启用0 不启用 1 启用	
            public byte byMainProType;        //主码流协议类型 1 RTSP
            public byte byMainTransType;		//主码流传输类型 0：Auto 1：udp 2：rtp over rtsp
            public ushort wMainPort;           //主码流端口	
            [MarshalAs(UnmanagedType.ByValTStr, SizeConst = MAX_PRO_PATH)]
            public string sMainPath;  //主码流路径	
            public byte bySubProType;         //子码流协议类型 1 RTSP
            public byte bySubTransType;		//子码流传输类型 0：Auto 1：udp 2：rtp over rtsp
            public ushort wSubPort;   //子码流端口
            [MarshalAs(UnmanagedType.ByValTStr, SizeConst = MAX_PRO_PATH)]
            public string sSubPath;   //子码流路径 	
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 200, ArraySubType = UnmanagedType.I1)]
            public byte[] byRes2;          //保留
        }

        //预览V40接口
        [StructLayout(LayoutKind.Sequential)]
        public struct NET_DVR_PREVIEWINFO
        {
            public Int32 lChannel;//通道号
            public uint dwStreamType;	// 码流类型，0-主码流，1-子码流，2-码流3，3-码流4 等以此类推
            public uint dwLinkMode;// 0：TCP方式,1：UDP方式,2：多播方式,3 - RTP方式，4-RTP/RTSP,5-RSTP/HTTP 
            public IntPtr hPlayWnd;//播放窗口的句柄,为NULL表示不播放图象
            public bool bBlocked;  //0-非阻塞取流, 1-阻塞取流, 如果阻塞SDK内部connect失败将会有5s的超时才能够返回,不适合于轮询取流操作.
            public bool bPassbackRecord; //0-不启用录像回传,1启用录像回传
            public byte byPreviewMode;//预览模式，0-正常预览，1-延迟预览
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = STREAM_ID_LEN, ArraySubType = UnmanagedType.I1)]
            public byte[] byStreamID;//流ID，lChannel为0xffffffff时启用此参数
            public byte byProtoType; //应用层取流协议，0-私有协议，1-RTSP协议
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 222, ArraySubType = UnmanagedType.I1)]
            public byte[] byRes;
        }

        ///抓拍机
        ///
        public const int MAX_OVERLAP_ITEM_NUM = 50;       //最大字符叠加种数
        public const int NET_ITS_GET_OVERLAP_CFG = 5072;//获取字符叠加参数配置（相机或ITS终端）
        public const int NET_ITS_SET_OVERLAP_CFG = 5073;//设置字符叠加参数配置（相机或ITS终端）

        //字符叠加配置条件参数结构体
        [StructLayout(LayoutKind.Sequential)]
        public struct NET_ITS_OVERLAPCFG_COND
        {
            public uint dwSize;
            public uint dwChannel;//通道号 
            public uint dwConfigMode;//配置模式：0- 终端，1- 前端(直连前端或终端接前端)
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 16, ArraySubType = UnmanagedType.I1)]
            public byte[] byRes;//保留
        }

        //单条字符叠加信息结构体
        [StructLayout(LayoutKind.Sequential)]
        public struct NET_ITS_OVERLAP_SINGLE_ITEM_PARAM
        {
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 2, ArraySubType = UnmanagedType.I1)]
            public byte[] byRes1;//保留
            public byte byItemType;//类型
            public byte byChangeLineNum;//叠加项后的换行数，取值范围：[0,10]，默认：0 
            public byte bySpaceNum;//叠加项后的空格数，取值范围：[0-255]，默认：0
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 15, ArraySubType = UnmanagedType.I1)]
            public byte[] byRes;//保留
        }

        //字符串参数配置结构体
        [StructLayout(LayoutKind.Sequential)]
        public struct NET_ITS_OVERLAP_ITEM_PARAM
        {
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = MAX_OVERLAP_ITEM_NUM, ArraySubType = UnmanagedType.Struct)]
            public NET_ITS_OVERLAP_SINGLE_ITEM_PARAM[] struSingleItem;//字符串内容信息
            public uint dwLinePercent;
            public uint dwItemsStlye;
            public ushort wStartPosTop;
            public ushort wStartPosLeft;
            public ushort wCharStyle;
            public ushort wCharSize;
            public ushort wCharInterval;
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 2, ArraySubType = UnmanagedType.I1)]
            public byte[] byRes1;//保留
            public uint dwForeClorRGB;//前景色的RGB值，bit0~bit7: B，bit8~bit15: G，bit16~bit23: R，默认：x00FFFFFF-白
            public uint dwBackClorRGB;//背景色的RGB值，只对图片外叠加有效，bit0~bit7: B，bit8~bit15: G，bit16~bit23: R，默认：x00000000-黑 
            public byte byColorAdapt;//颜色是否自适应：0-否，1-是
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 31, ArraySubType = UnmanagedType.I1)]
            public byte[] byRes;//保留
        }

        //字符叠加内容信息结构体
        [StructLayout(LayoutKind.Sequential)]
        public struct NET_ITS_OVERLAP_INFO_PARAM
        {
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 128, ArraySubType = UnmanagedType.I1)]
            public byte[] bySite;//
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 32, ArraySubType = UnmanagedType.I1)]
            public byte[] byRoadNum;//
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 32, ArraySubType = UnmanagedType.I1)]
            public byte[] byInstrumentNum;//
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 32, ArraySubType = UnmanagedType.I1)]
            public byte[] byDirection;//
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 32, ArraySubType = UnmanagedType.I1)]
            public byte[] byDirectionDesc;//
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 32, ArraySubType = UnmanagedType.I1)]
            public byte[] byLaneDes;//
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 32, ArraySubType = UnmanagedType.I1)]
            public byte[] byRes1;//这里保留音频的压缩参数
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 44, ArraySubType = UnmanagedType.I1)]
            public byte[] byMonitoringSite1;//
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 32, ArraySubType = UnmanagedType.I1)]
            public byte[] byMonitoringSite2;//这里保留音频的压缩参数
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 64, ArraySubType = UnmanagedType.I1)]
            public byte[] byRes;//这里保留音频的压缩参数 
        }

        //字符叠加配置条件参数结构体
        [StructLayout(LayoutKind.Sequential)]
        public struct NET_ITS_OVERLAP_CFG
        {
            public uint dwSize;
            public byte byEnable;//是否启用：0- 不启用，1- 启用
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 3, ArraySubType = UnmanagedType.I1)]
            public byte[] byRes1;//这里保留音频的压缩参数
            public NET_ITS_OVERLAP_ITEM_PARAM struOverLapItem;//字符串参数
            public NET_ITS_OVERLAP_INFO_PARAM struOverLapInfo;//字符串内容信息
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 32, ArraySubType = UnmanagedType.I1)]
            public byte[] byRes;//这里保留音频的压缩参数 
        }

        //报警布防参数结构体
        [StructLayout(LayoutKind.Sequential)]
        public struct NET_DVR_SETUPALARM_PARAM
        {
            public uint dwSize;
            public byte byLevel;//布防优先级：0- 一等级（高），1- 二等级（中），2- 三等级（低，保留）
            public byte byAlarmInfoType;//上传报警信息类型（智能交通摄像机支持）：0- 老报警信息（NET_DVR_PLATE_RESULT），1- 新报警信息(NET_ITS_PLATE_RESULT) 
            public byte byRetAlarmTypeV40;
            public byte byRetDevInfoVersion;
            public byte byRetVQDAlarmType;
            public byte byFaceAlarmDetection;
            public byte bySupport;
            public byte byBrokenNetHttp;
            public ushort wTaskNo;
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 6, ArraySubType = UnmanagedType.I1)]
            public byte[] byRes;//这里保留音频的压缩参数 
        }

        [StructLayout(LayoutKind.Sequential)]
        public struct NET_ITS_GATE_VEHICLE
        {
            public uint dwSize;
            public uint dwMatchNo;
            public byte byGroupNum;
            public byte byPicNo;
            public byte bySecondCam;

            public byte byRes;
            public ushort wLaneid;
            public byte byCamLaneId;
            public byte byRes1;

            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 32)]
            public byte[] byAlarmReason;

            public ushort wBackList;
            public ushort wSpeedLimit;
            public uint dwChanIndex;


            public NET_DVR_PLATE_INFO struPlateInfo;

            public NET_DVR_VEHICLE_INFO struVehicleInfo;

            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 48)]
            public byte[] byMonitoringSiteID;

            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 48)]
            public byte[] byDeviceID;


            public byte byDir;
            public byte byDetectType;

            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 2)]
            public byte[] byRes2;

            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 48)]
            public byte[] byCardNo;

            public uint dwPicNum;

            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 4, ArraySubType = UnmanagedType.Struct)]
            public NET_ITS_PICTURE_INFO[] struPicInfo;

            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 32)]
            public byte[] bySwipeTime;

            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 224)]
            public byte[] byRes3;
        }

        [StructLayout(LayoutKind.Sequential)]
        public struct NET_ITS_PICTURE_INFO
        {
            public uint dwDataLen;
            public byte byType;
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 3)]
            public byte[] byRes1;
            public uint dwRedLightTime;
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 32)]
            public byte[] byAbsTime;
            public NET_VCA_RECT struPlateRect;
            public NET_VCA_RECT struPlateRecgRect;
            public IntPtr pBuffer;
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 12)]
            public byte[] byRes2;
        }

        [StructLayout(LayoutKind.Sequential)]
        public struct NET_ITS_PLATE_RESULT
        {
            public uint dwSize;        //结构长度
            public uint dwMatchNo;        //匹配序号,由(车辆序号,数据类型,车道号)组成匹配码
            public byte byGroupNum;    //图片组数量（一辆过车相机多次抓拍的数量，代表一组图片的总数，用于延时匹配数据）
            public byte byPicNo;        //连拍的图片序号（接收到图片组数量后，表示接收完成;接收超时不足图片组数量时，根据需要保留或删除）
            public byte bySecondCam;    //是否第二相机抓拍（如远近景抓拍的远景相机，或前后抓拍的后相机，特殊项目中会用到）
            public byte byFeaturePicNo; //闯红灯电警，取第几张图作为特写图,0xff-表示不取
            public byte byDriveChan;        //触发车道号
            public byte byVehicleType;     //车辆类型，参考VTR_RESULT
            public byte byDetSceneID;//检测场景号[1,4], IPC默认是0
            //车辆属性，按位表示，0- 无附加属性(普通车)，bit1- 黄标车(类似年检的标志)，bit2- 危险品车辆，值：0- 否，1- 是
            //该节点已不再使用,使用下面的byYellowLabelCar和byDangerousVehicles判断是否黄标车和危险品车
            public byte byVehicleAttribute;
            public ushort wIllegalType;       //违章类型采用国标定义
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 8, ArraySubType = UnmanagedType.I1)]
            public byte[] byIllegalSubType;   //违章子类型
            public byte byPostPicNo;    //违章时取第几张图片作为卡口图,0xff-表示不取
            //通道号(有效，报警通道号和所在设备上传报警通道号一致，在后端和所接入的 通道号一致)
            public byte byChanIndex;
            public ushort wSpeedLimit;        //限速上限（超速时有效）
            public byte byChanIndexEx;      //byChanIndexEx*256+byChanIndex表示真实通道号。
            public byte byRes2;
            public NET_DVR_PLATE_INFO struPlateInfo;     //车牌信息结构
            public NET_DVR_VEHICLE_INFO struVehicleInfo;    //车辆信息
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 48, ArraySubType = UnmanagedType.I1)]
            public byte[] byMonitoringSiteID;        //监测点编号
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 48, ArraySubType = UnmanagedType.I1)]
            public byte[] byDeviceID;                //设备编号
            public byte byDir;            //监测方向，1-上行（反向），2-下行(正向)，3-双向，4-由东向西，5-由南向北,6-由西向东，7-由北向南，8-其它
            public byte byDetectType;    //检测方式,1-地感触发，2-视频触发，3-多帧识别，4-雷达触发
            //关联车道方向类型，参考ITC_RELA_LANE_DIRECTION_TYPE
            //该参数为车道方向参数，与关联车道号对应，确保车道唯一性。
            public byte byRelaLaneDirectionType;
            public byte byCarDirectionType; //车辆具体行驶的方向，0表示从上往下，1表示从下往上（根据实际车辆的行驶方向来的区分）
            //当wIllegalType参数为空时，使用该参数。若wIllegalType参数为有值时，以wIllegalType参数为准，该参数无效。
            public uint dwCustomIllegalType; //违章类型定义(用户自定义)
            /*为0~数字格式时，为老的违章类型，wIllegalType、dwCustomIllegalType参数生效，赋值国标违法代码。
             * 为1~字符格式时，pIllegalInfoBuf参数生效。老的违章类型，wIllegalType、dwCustomIllegalType参数依然赋值国标违法代码*/
            public IntPtr pIllegalInfoBuf;    //违法代码字符信息结构体指针；指向NET_ITS_ILLEGAL_INFO 
            public byte byIllegalFromatType; //违章信息格式类型； 0~数字格式， 1~字符格式
            public byte byPendant;// 0-表示未知,1-车窗有悬挂物，2-车窗无悬挂物
            public byte byDataAnalysis;            //0-数据未分析, 1-数据已分析
            public byte byYellowLabelCar;        //0-表示未知, 1-非黄标车,2-黄标车
            public byte byDangerousVehicles;    //0-表示未知, 1-非危险品车,2-危险品车
            //以下字段包含Pilot字符均为主驾驶，含Copilot字符均为副驾驶
            public byte byPilotSafebelt;//0-表示未知,1-系安全带,2-不系安全带
            public byte byCopilotSafebelt;//0-表示未知,1-系安全带,2-不系安全带
            public byte byPilotSunVisor;//0-表示未知,1-不打开遮阳板,2-打开遮阳板
            public byte byCopilotSunVisor;//0-表示未知, 1-不打开遮阳板,2-打开遮阳板
            public byte byPilotCall;// 0-表示未知, 1-不打电话,2-打电话
            //0-开闸，1-未开闸 (专用于历史数据中相机根据黑白名单匹配后，是否开闸成功的标志)
            public byte byBarrierGateCtrlType;
            public byte byAlarmDataType;//0-实时数据，1-历史数据
            public NET_DVR_TIME_V30 struSnapFirstPicTime;//端点时间(ms)（抓拍第一张图片的时间）
            public uint dwIllegalTime;//违法持续时间（ms） = 抓拍最后一张图片的时间 - 抓拍第一张图片的时间
            public uint dwPicNum;        //图片数量（与picGroupNum不同，代表本条信息附带的图片数量，图片信息由struVehicleInfoEx定义    
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 6, ArraySubType = UnmanagedType.Struct)]
            public NET_ITS_PICTURE_INFO[] struPicInfo;         //图片信息,单张回调，最多6张图，由序号区分
        }

        [StructLayout(LayoutKind.Sequential)]
        public struct NET_ITS_PARK_VEHICLE
        {
            public uint dwSize;
            public byte byGroupNum;
            public byte byPicNo;
            public byte byLocationNum;
            public byte byParkError;
            [MarshalAs(UnmanagedType.ByValTStr, SizeConst = MAX_PARKNO_LEN)]
            public string byParkingNo;
            public byte byLocationStatus;
            public byte bylogicalLaneNum;
            public ushort wUpLoadType;
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 4, ArraySubType = UnmanagedType.I1)]
            public byte[] byRes1;
            public uint dwChanIndex;
            public NET_DVR_PLATE_INFO struPlateInfo;
            public NET_DVR_VEHICLE_INFO struVehicleInfo;
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = MAX_ID_LEN, ArraySubType = UnmanagedType.I1)]
            public byte[] byMonitoringSiteID;
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = MAX_ID_LEN, ArraySubType = UnmanagedType.I1)]
            public byte[] byDeviceID;
            public uint dwPicNum;
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 2, ArraySubType = UnmanagedType.Struct)]
            public NET_ITS_PICTURE_INFO[] struPicInfo;
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 256, ArraySubType = UnmanagedType.I1)]
            public byte[] byRes2;
        }

        [StructLayout(LayoutKind.Sequential)]
        public struct NET_DVR_DIAGNOSIS_UPLOAD
        {
            public uint dwSize;
            [MarshalAs(UnmanagedType.ByValTStr, SizeConst = STREAM_ID_LEN)]
            public string sStreamID;	///< 流ID，长度小于32个字节
            [MarshalAs(UnmanagedType.ByValTStr, SizeConst = 64)]
            public string sMonitorIP;  ///< 监控点ip
            public uint dwChanIndex;  ///< 监控点通道号  
            public uint dwWidth;  ///< 图像宽度
            public uint dwHeight;  ///< 图像高度
            public NET_DVR_TIME struCheckTime;  ///< 检测时间(合并日期和时间字段)，格式：2012-08-06 13:00:00
            public byte byResult;  ///0-未检测 1-正常 2-异常 3-登录失败 4-取流异常
            public byte bySignalResult; ///< 视频丢失检测结果 0-未检测 1-正常 2-异常
            public byte byBlurResult;  ///< 图像模糊检测结果，0-未检测 1-正常 2-异常
            public byte byLumaResult;  ///< 图像过亮检测结果，0-未检测 1-正常 2-异常
            public byte byChromaResult;  ///< 偏色检测结果，0-未检测 1-正常 2-异常
            public byte bySnowResult;  ///< 噪声干扰检测结果，0-未检测 1-正常 2-异常
            public byte byStreakResult;  ///< 条纹干扰检测结果，0-未检测 1-正常 2-异常
            public byte byFreezeResult;  ///< 画面冻结检测结果，0-未检测 1-正常 2-异常
            public byte byPTZResult;  ///< 云台检测结果，0-未检测 1-正常 2-异常
            public byte byContrastResult;     //对比度异常检测结果，0-未检测，1-正常，2-异常
            public byte byMonoResult;         //黑白图像检测结果，0-未检测，1-正常，2-异常
            public byte byShakeResult;        //视频抖动检测结果，0-未检测，1-正常，2-异常
            [MarshalAs(UnmanagedType.ByValTStr, SizeConst = 256)]
            public string sSNapShotURL;	///<图片URL地址
            public byte byFlashResult;        //视频剧变检测结果，0-未检测，1-正常，2-异常
            public byte byCoverResult;        //视频遮挡检测结果，0-未检测，1-正常，2-异常
            public byte bySceneResult;        //场景变更检测结果，0-未检测，1-正常，2-异常
            public byte byDarkResult;         //图像过暗检测结果，0-未检测，1-正常，2-异常
            public byte byStreamType;		//码流类型，0-无效，1-未知，2-国标类型，3-非国标类型
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 59, ArraySubType = UnmanagedType.I1)]
            public byte[] byRes2;
        }

        public const int CID_CODE_LEN = 4;
        public const int ACCOUNTNUM_LEN = 6;
        public const int ACCOUNTNUM_LEN_32 = 32;

        [StructLayout(LayoutKind.Sequential)]
        public struct NET_DVR_CID_ALARM
        {
            public uint dwSize;
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = CID_CODE_LEN, ArraySubType = UnmanagedType.I1)]
            public byte[] sCIDCode;    //CID事件号
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = NAME_LEN, ArraySubType = UnmanagedType.I1)]
            public byte[] sCIDDescribe;    //CID事件名
            public NET_DVR_TIME_EX struTriggerTime;            //触发报警的时间点
            public NET_DVR_TIME_EX struUploadTime;                //上传报警的时间点
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = ACCOUNTNUM_LEN, ArraySubType = UnmanagedType.I1)]
            public byte[] sCenterAccount;    //中心帐号
            public byte byReportType;                    //见定义NET_DVR_ALARMHOST_REPORT_TYPE
            public byte byUserType;                        //用户类型，0-网络用户 1-键盘用户,2-手机用户,3-系统用户
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = NAME_LEN, ArraySubType = UnmanagedType.I1)]
            public byte[] sUserName;        //网络用户用户名
            public ushort wKeyUserNo;                        //键盘用户号    0xFFFF表示无效
            public byte byKeypadNo;                        //键盘号        0xFF表示无效
            public byte bySubSysNo;                        //子系统号        0xFF表示无效
            public ushort wDefenceNo;                        //防区号        0xFFFF表示无效
            public byte byVideoChanNo;                    //视频通道号    0xFF表示无效
            public byte byDiskNo;                        //硬盘号        0xFF表示无效
            public ushort wModuleAddr;                    //模块地址        0xFFFF表示无效
            public byte byCenterType;                    //0-无效, 1-中心账号(长度6),2-扩展的中心账号(长度9)
            public byte byRes1;
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = ACCOUNTNUM_LEN_32, ArraySubType = UnmanagedType.I1)]
            public byte[] sCenterAccountV40;    //中心账号V40,使用此字段时sCenterAccount无效
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 28, ArraySubType = UnmanagedType.I1)]
            public byte[] byRes2;
        }

        [StructLayout(LayoutKind.Sequential)]
        public struct NET_PTZ_INFO
        {
            public float fPan;
            public float fTilt;
            public float fZoom;
            public uint dwFocus;// 聚焦参数，聚焦范围：归一化0-100000
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 4, ArraySubType = UnmanagedType.I1)]
            public byte[] byRes;
        }

        //火点检测报警
        [StructLayout(LayoutKind.Sequential)]
        public struct NET_DVR_FIREDETECTION_ALARM
        {
            public uint dwSize; //结构大小
            public uint dwRelativeTime; //相对时标
            public uint dwAbsTime; //绝对时标
            public NET_VCA_DEV_INFO struDevInfo;   //前端设备信息
            public ushort wPanPos;
            public ushort wTiltPos;
            public ushort wZoomPos;
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 2, ArraySubType = UnmanagedType.I1)]
            public byte[] byRes1;
            public uint dwPicDataLen;//报警抓拍图片长度
            public IntPtr pBuffer;    //数据指针
            public NET_VCA_RECT struRect;//火点框 
            public NET_VCA_POINT struPoint;//火点框内最高温度点坐标
            public ushort wFireMaxTemperature;//火点最高温度[300℃~4000℃]
            public ushort wTargetDistance;//目标距离[100m ~ 10000m]
            public byte byStrategyType;//策略类型；0~任意报警，1~协同报警，2~多系统报警，3~指定火点报警，4~指定烟雾报警
            public byte byAlarmSubType;//报警子类型。0~火点检测报警，1~烟雾检测报警，2~烟火报警
            /*是否启用PTZ坐标扩展，
            0~不启用，PTZ坐标值以wPanPos、wTiltPos、wZoomPos为准。
            1~启用，PTZ坐标值以struPtzPosEx为准。但是新老PTZ都需返回。struPtzPosEx的值需转化为wPanPos、wTiltPos、wZoomPos值。
            */
            public byte byPTZPosExEnable;
            public byte byRes2;
            public NET_PTZ_INFO struPtzPosEx;// ptz坐标扩展(支持高精度PTZ值，精确到小数点后三位)
            public uint dwVisiblePicLen;//可见光图片长度
            public IntPtr pVisiblePicBuf;    //可见光图片数据指针
            // pSmokeBuf参数当byAlarmSubType报警子类型为1（烟雾检测报警）、2（烟火报警）时生效。
            public IntPtr pSmokeBuf;    //烟雾检测报警数据指针，指向一个NET_DVR_SMOKEDETECTION_ALARM结构体
            public ushort wDevInfoIvmsChannelEx;     //与NET_VCA_DEV_INFO里的byIvmsChannel含义相同，能表示更大的值。老客户端用byIvmsChannel能继续兼容，但是最大到255。新客户端版本请使用wDevInfoIvmsChannelEx。
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 58, ArraySubType = UnmanagedType.I1)]
            public byte[] byRes;
        }

        public const int ACS_CARD_NO_LEN = 32; //门禁卡号长度    
        public const int MAX_ID_NUM_LEN = 32;  //最大身份证号长度
        public const int MAX_ID_NAME_LEN = 128;   //最大姓名长度
        public const int MAX_ID_ADDR_LEN = 280;   //最大住址长度
        public const int MAX_ID_ISSUING_AUTHORITY_LEN = 128; //最大签发机关长度

        [StructLayout(LayoutKind.Sequential)]
        public struct NET_DVR_ACS_EVENT_INFO
        {
            public uint dwSize;
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = ACS_CARD_NO_LEN, ArraySubType = UnmanagedType.I1)]
            public byte[] byCardNo; //卡号，为0无效
            public byte byCardType; //卡类型，1-普通卡，2-残疾人卡，3-黑名单卡，4-巡更卡，5-胁迫卡，6-超级卡，7-来宾卡，为0无效
            public byte byWhiteListNo; //白名单单号,1-8，为0无效
            public byte byReportChannel; //报告上传通道，1-布防上传，2-中心组1上传，3-中心组2上传，为0无效
            public byte byCardReaderKind; //读卡器属于哪一类，0-无效，1-IC读卡器，2-身份证读卡器，3-二维码读卡器,4-指纹头
            public uint dwCardReaderNo; //读卡器编号，为0无效
            public uint dwDoorNo; //门编号(楼层编号)，为0无效
            public uint dwVerifyNo; //多重卡认证序号，为0无效
            public uint dwAlarmInNo;  //报警输入号，为0无效
            public uint dwAlarmOutNo; //报警输出号，为0无效
            public uint dwCaseSensorNo; //事件触发器编号
            public uint dwRs485No;    //RS485通道号，为0无效
            public uint dwMultiCardGroupNo; //群组编号
            public ushort wAccessChannel;    //人员通道号
            public byte byDeviceNo;    //设备编号，为0无效
            public byte byDistractControlNo;//分控器编号，为0无效
            public uint dwEmployeeNo; //工号，为0无效
            public ushort wLocalControllerID; //就地控制器编号，0-门禁主机，1-64代表就地控制器
            public byte byInternetAccess; //网口ID：（1-上行网口1,2-上行网口2,3-下行网口1）
            public byte byType;     //防区类型，0:即时防区,1-24小时防区,2-延时防区 ,3-内部防区，4-钥匙防区 5-火警防区 6-周界防区 7-24小时无声防区  8-24小时辅助防区，9-24小时震动防区,10-门禁紧急开门防区，11-门禁紧急关门防区 0xff-无
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = MACADDR_LEN, ArraySubType = UnmanagedType.I1)]
            public byte[] byMACAddr; //物理地址，为0无效
            public byte bySwipeCardType;//刷卡类型，0-无效，1-二维码
            public byte byRes2;
            public uint dwSerialNo; //事件流水号，为0无效
            public byte byChannelControllerID; //通道控制器ID，为0无效，1-主通道控制器，2-从通道控制器
            public byte byChannelControllerLampID; //通道控制器灯板ID，为0无效（有效范围1-255）
            public byte byChannelControllerIRAdaptorID; //通道控制器红外转接板ID，为0无效（有效范围1-255）
            public byte byChannelControllerIREmitterID; //通道控制器红外对射ID，为0无效（有效范围1-255）
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 4, ArraySubType = UnmanagedType.I1)]
            public byte[] byRes;
        }

        [StructLayout(LayoutKind.Sequential)]
        public struct NET_DVR_ACS_ALARM_INFO
        {
            public uint dwSize;
            public uint dwMajor; //报警主类型，参考宏定义
            public uint dwMinor; //报警次类型，参考宏定义
            public NET_DVR_TIME struTime; //时间
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = MAX_NAMELEN, ArraySubType = UnmanagedType.I1)]
            public byte[] sNetUser;//网络操作的用户名
            public NET_DVR_IPADDR struRemoteHostAddr;//远程主机地址
            public NET_DVR_ACS_EVENT_INFO struAcsEventInfo; //详细参数
            public uint dwPicDataLen;   //图片数据大小，不为0是表示后面带数据
            public IntPtr pPicData;
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 24, ArraySubType = UnmanagedType.I1)]
            public byte[] byRes;
        }

        [StructLayout(LayoutKind.Sequential)]
        public struct NET_DVR_DATE
        {
            public ushort wYear;        //年
            public byte byMonth;        //月    
            public byte byDay;        //日                        
        }

        //身份证信息
        [StructLayout(LayoutKind.Sequential)]
        public struct NET_DVR_ID_CARD_INFO
        {
            public uint dwSize;        //结构长度
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = MAX_ID_NAME_LEN, ArraySubType = UnmanagedType.I1)]
            public byte[] byName;   //姓名
            public NET_DVR_DATE struBirth; //出生日期
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = MAX_ID_ADDR_LEN, ArraySubType = UnmanagedType.I1)]
            public byte[] byAddr;  //住址
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = MAX_ID_NUM_LEN, ArraySubType = UnmanagedType.I1)]
            public byte[] byIDNum;   //身份证号码
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = MAX_ID_ISSUING_AUTHORITY_LEN, ArraySubType = UnmanagedType.I1)]
            public byte[] byIssuingAuthority;  //签发机关
            public NET_DVR_DATE struStartDate;  //有效开始日期
            public NET_DVR_DATE struEndDate;  //有效截止日期
            public byte byTermOfValidity;  //是否长期有效， 0-否，1-是（有效截止日期无效）
            public byte bySex;  //性别，1-男，2-女
            public byte byNation;    //民族，1-"汉"，2-"蒙古"，3-"回",4-"藏",5-"维吾尔",6-"苗",7-"彝",8-"壮",9-"布依",10-"朝鲜",
                                     //11-"满",12-"侗",13-"瑶",14-"白",15-"土家",16-"哈尼",17-"哈萨克",18-"傣",19-"黎",20-"傈僳",
                                     //21-"佤",22-"畲",23-"高山",24-"拉祜",25-"水",26-"东乡",27-"纳西",28-"景颇",29-"柯尔克孜",30-"土",
                                     //31-"达斡尔",32-"仫佬",33-"羌",34-"布朗",35-"撒拉",36-"毛南",37-"仡佬",38-"锡伯",39-"阿昌",40-"普米",
                                     //41-"塔吉克",42-"怒",43-"乌孜别克",44-"俄罗斯",45-"鄂温克",46-"德昂",47-"保安",48-"裕固",49-"京",50-"塔塔尔",
                                     //51-"独龙",52-"鄂伦春",53-"赫哲",54-"门巴",55-"珞巴",56-"基诺"
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 101, ArraySubType = UnmanagedType.I1)]
            public byte[] byRes;
        }

        //身份证信息报警
        [StructLayout(LayoutKind.Sequential)]
        public struct NET_DVR_ID_CARD_INFO_ALARM
        {
            public uint dwSize;        //结构长度
            public NET_DVR_ID_CARD_INFO struIDCardCfg;//身份证信息
            public uint dwMajor; //报警主类型，参考宏定义
            public uint dwMinor; //报警次类型，参考宏定义
            public NET_DVR_TIME_V30 struSwipeTime; //时间
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = MAX_NAMELEN, ArraySubType = UnmanagedType.I1)]
            public byte[] byNetUser;//网络操作的用户名
            public NET_DVR_IPADDR struRemoteHostAddr;//远程主机地址
            public uint dwCardReaderNo; //读卡器编号，为0无效
            public uint dwDoorNo; //门编号，为0无效
            public uint dwPicDataLen;   //图片数据大小，不为0是表示后面带数据
            public IntPtr pPicData;
            public byte byCardType; //卡类型，1-普通卡，2-残疾人卡，3-黑名单卡，4-巡更卡，5-胁迫卡，6-超级卡，7-来宾卡，8-解除卡，为0无效
            public byte byDeviceNo;                             // 设备编号，为0时无效（有效范围1-255）
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 2, ArraySubType = UnmanagedType.I1)]
            public byte[] byRes2;
            public uint dwFingerPrintDataLen;                  // 指纹数据大小，不为0是表示后面带数据
            public IntPtr pFingerPrintData;
            public uint dwCapturePicDataLen;                   // 抓拍图片数据大小，不为0是表示后面带数据
            public IntPtr pCapturePicData;
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 188, ArraySubType = UnmanagedType.I1)]
            public byte[] byRes;
        }

        /********************************接口参数结构(end)*********************************/


        /********************************SDK接口函数声明*********************************/

        /*********************************************************
        Function:	NET_DVR_Init
        Desc:		初始化SDK，调用其他SDK函数的前提。
        Input:	
        Output:	
        Return:	TRUE表示成功，FALSE表示失败。
        **********************************************************/
        [DllImport(@"HCNetSDK\HCNetSDK.dll")]
        public static extern bool NET_DVR_Init();

        /*********************************************************
        Function:	NET_DVR_Cleanup
        Desc:		释放SDK资源，在结束之前最后调用
        Input:	
        Output:	
        Return:	TRUE表示成功，FALSE表示失败
        **********************************************************/
        [DllImport(@"HCNetSDK\HCNetSDK.dll")]
        public static extern bool NET_DVR_Cleanup();



        [DllImport(@"HCNetSDK\HCNetSDK.dll")]
        public static extern bool NET_DVR_SetDVRMessage(uint nMessage, IntPtr hWnd);

        /*********************************************************
        Function:	EXCEPYIONCALLBACK
        Desc:		(回调函数)
        Input:	
        Output:	
        Return:	
        **********************************************************/
        public delegate void EXCEPYIONCALLBACK(uint dwType, int lUserID, int lHandle, IntPtr pUser);

        [DllImport(@"HCNetSDK\HCNetSDK.dll")]
        public static extern bool NET_DVR_SetExceptionCallBack_V30(uint nMessage, IntPtr hWnd, EXCEPYIONCALLBACK fExceptionCallBack, IntPtr pUser);


        /*********************************************************
        Function:	MESSCALLBACK
        Desc:		(回调函数)
        Input:	
        Output:	
        Return:	
        **********************************************************/
        public delegate int MESSCALLBACK(int lCommand, string sDVRIP, string pBuf, uint dwBufLen);

        [DllImport(@"HCNetSDK\HCNetSDK.dll")]
        public static extern bool NET_DVR_SetDVRMessCallBack(MESSCALLBACK fMessCallBack);

        /*********************************************************
        Function:	MESSCALLBACKEX
        Desc:		(回调函数)
        Input:	
        Output:	
        Return:	
        **********************************************************/
        public delegate int MESSCALLBACKEX(int iCommand, int iUserID, string pBuf, uint dwBufLen);

        [DllImport(@"HCNetSDK\HCNetSDK.dll")]
        public static extern bool NET_DVR_SetDVRMessCallBack_EX(MESSCALLBACKEX fMessCallBack_EX);

        /*********************************************************
        Function:	MESSCALLBACKNEW
        Desc:		(回调函数)
        Input:	
        Output:	
        Return:	
        **********************************************************/
        public delegate int MESSCALLBACKNEW(int lCommand, string sDVRIP, string pBuf, uint dwBufLen, ushort dwLinkDVRPort);

        [DllImport(@"HCNetSDK\HCNetSDK.dll")]
        public static extern bool NET_DVR_SetDVRMessCallBack_NEW(MESSCALLBACKNEW fMessCallBack_NEW);

        /*********************************************************
        Function:	MESSAGECALLBACK
        Desc:		(回调函数)
        Input:	
        Output:	
        Return:	
        **********************************************************/
        public delegate int MESSAGECALLBACK(int lCommand, System.IntPtr sDVRIP, System.IntPtr pBuf, uint dwBufLen, uint dwUser);

        [DllImport(@"HCNetSDK\HCNetSDK.dll")]
        public static extern bool NET_DVR_SetDVRMessageCallBack(MESSAGECALLBACK fMessageCallBack, uint dwUser);


        /*********************************************************
        Function:	MSGCallBack
        Desc:		(回调函数)
        Input:	
        Output:	
        Return:	
        **********************************************************/
        public delegate void MSGCallBack(int lCommand, ref NET_DVR_ALARMER pAlarmer, IntPtr pAlarmInfo, uint dwBufLen, IntPtr pUser);

        [DllImport(@"HCNetSDK\HCNetSDK.dll")]
        public static extern bool NET_DVR_SetDVRMessageCallBack_V30(MSGCallBack fMessageCallBack, IntPtr pUser);

        public delegate bool MSGCallBack_V31(int lCommand, ref NET_DVR_ALARMER pAlarmer, IntPtr pAlarmInfo, uint dwBufLen, IntPtr pUser);

        [DllImport(@"HCNetSDK\HCNetSDK.dll")]
        public static extern bool NET_DVR_SetDVRMessageCallBack_V31(MSGCallBack_V31 fMessageCallBack, IntPtr pUser);

        [DllImport(@"HCNetSDK\HCNetSDK.dll")]
        public static extern bool NET_DVR_SetConnectTime(uint dwWaitTime, uint dwTryTimes);

        [DllImport(@"HCNetSDK\HCNetSDK.dll")]
        public static extern bool NET_DVR_SetReconnect(uint dwInterval, int bEnableRecon);

        [DllImport(@"HCNetSDK\HCNetSDK.dll")]
        public static extern bool NET_DVR_GetLocalIP(byte[] strIP, ref uint pValidNum, ref Boolean pEnableBind);

        [DllImport(@"HCNetSDK\HCNetSDK.dll")]
        public static extern bool NET_DVR_SetValidIP(uint dwIPIndex, Boolean bEnableBind);

        [DllImport(@"HCNetSDK\HCNetSDK.dll")]
        public static extern uint NET_DVR_GetSDKVersion();

        [DllImport(@"HCNetSDK\HCNetSDK.dll")]
        public static extern uint NET_DVR_GetSDKBuildVersion();

        [DllImport(@"HCNetSDK\HCNetSDK.dll")]
        public static extern Int32 NET_DVR_IsSupport();

        [DllImport(@"HCNetSDK\HCNetSDK.dll")]
        public static extern bool NET_DVR_StartListen(string sLocalIP, ushort wLocalPort);

        [DllImport(@"HCNetSDK\HCNetSDK.dll")]
        public static extern bool NET_DVR_StopListen();

        [DllImport(@"HCNetSDK\HCNetSDK.dll")]
        public static extern int NET_DVR_StartListen_V30(String sLocalIP, ushort wLocalPort, MSGCallBack DataCallback, IntPtr pUserData);

        [DllImport(@"HCNetSDK\HCNetSDK.dll")]
        public static extern bool NET_DVR_StopListen_V30(Int32 lListenHandle);

        [DllImport(@"HCNetSDK\HCNetSDK.dll")]
        public static extern Int32 NET_DVR_Login(string sDVRIP, ushort wDVRPort, string sUserName, string sPassword, ref NET_DVR_DEVICEINFO lpDeviceInfo);

        [DllImport(@"HCNetSDK\HCNetSDK.dll")]
        public static extern bool NET_DVR_Logout(int iUserID);

        [DllImport(@"HCNetSDK\HCNetSDK.dll")]
        public static extern uint NET_DVR_GetLastError();

        [DllImport(@"HCNetSDK\HCNetSDK.dll")]
        public static extern string NET_DVR_GetErrorMsg(ref int pErrorNo);

        [DllImport(@"HCNetSDK\HCNetSDK.dll")]
        public static extern bool NET_DVR_SetShowMode(uint dwShowType, uint colorKey);

        [DllImport(@"HCNetSDK\HCNetSDK.dll")]
        public static extern bool NET_DVR_GetDVRIPByResolveSvr(string sServerIP, ushort wServerPort, string sDVRName, ushort wDVRNameLen, string sDVRSerialNumber, ushort wDVRSerialLen, IntPtr pGetIP);

        [DllImport(@"HCNetSDK\HCNetSDK.dll")]
        public static extern bool NET_DVR_GetDVRIPByResolveSvr_EX(string sServerIP, ushort wServerPort, byte[] sDVRName, ushort wDVRNameLen, byte[] sDVRSerialNumber, ushort wDVRSerialLen, byte[] sGetIP, ref uint dwPort);
        //预览相关接口
        [DllImport(@"HCNetSDK\HCNetSDK.dll")]
        public static extern Int32 NET_DVR_RealPlay(int iUserID, ref NET_DVR_CLIENTINFO lpClientInfo);

        [DllImport(@"HCNetSDK\HCNetSDK.dll")]
        public static extern Int32 NET_SDK_RealPlay(int iUserLogID, ref NET_DVR_CLIENTINFO lpDVRClientInfo);
        /*********************************************************
		Function:	REALDATACALLBACK
		Desc:		预览回调
		Input:	lRealHandle 当前的预览句柄 
				dwDataType 数据类型
				pBuffer 存放数据的缓冲区指针 
				dwBufSize 缓冲区大小 
				pUser 用户数据 
		Output:	
		Return:	void
		**********************************************************/
        public delegate void REALDATACALLBACK(Int32 lRealHandle, UInt32 dwDataType, ref byte pBuffer, UInt32 dwBufSize, IntPtr pUser);
        [DllImport(@"HCNetSDK\HCNetSDK.dll")]

        /*********************************************************
        Function:	NET_DVR_RealPlay_V30
        Desc:		实时预览。
        Input:	lUserID [in] NET_DVR_Login()或NET_DVR_Login_V30()的返回值 
                lpClientInfo [in] 预览参数 
                cbRealDataCallBack [in] 码流数据回调函数 
                pUser [in] 用户数据 
                bBlocked [in] 请求码流过程是否阻塞：0－否；1－是 
        Output:	
        Return:	1表示失败，其他值作为NET_DVR_StopRealPlay等函数的句柄参数
        **********************************************************/
        public static extern int NET_DVR_RealPlay_V30(int iUserID, ref NET_DVR_CLIENTINFO lpClientInfo, REALDATACALLBACK fRealDataCallBack_V30, IntPtr pUser, UInt32 bBlocked);

        /*********************************************************
        Function:	NET_DVR_RealPlay_V40
        Desc:		实时预览扩展接口。
        Input:	lUserID [in] NET_DVR_Login()或NET_DVR_Login_V30()的返回值 
                lpPreviewInfo [in] 预览参数 
                fRealDataCallBack_V30 [in] 码流数据回调函数 
                pUser [in] 用户数据 
        Output:	
        Return:	1表示失败，其他值作为NET_DVR_StopRealPlay等函数的句柄参数
        **********************************************************/
        [DllImport(@"HCNetSDK\HCNetSDK.dll")]
        public static extern int NET_DVR_RealPlay_V40(int iUserID, ref NET_DVR_PREVIEWINFO lpPreviewInfo, REALDATACALLBACK fRealDataCallBack_V30, IntPtr pUser);

        // [DllImport(@"HCNetSDK\HCNetSDK.dll")]
        // public static extern int NET_DVR_GetRealPlayerIndex(int lRealHandle);
        /*********************************************************
		Function:	NET_DVR_StopRealPlay
		Desc:		停止预览。
		Input:	lRealHandle [in] 预览句柄，NET_DVR_RealPlay或者NET_DVR_RealPlay_V30的返回值 
		Output:	
		Return:	
		**********************************************************/
        [DllImport(@"HCNetSDK\HCNetSDK.dll")]
        public static extern bool NET_DVR_StopRealPlay(int iRealHandle);

        /*********************************************************
        Function:	DRAWFUN
        Desc:		(回调函数)
        Input:	
        Output:	
        Return:	
        **********************************************************/
        public delegate void DRAWFUN(int lRealHandle, IntPtr hDc, uint dwUser);

        [DllImport(@"HCNetSDK\HCNetSDK.dll")]
        public static extern bool NET_DVR_RigisterDrawFun(int lRealHandle, DRAWFUN fDrawFun, uint dwUser);

        [DllImport(@"HCNetSDK\HCNetSDK.dll")]
        public static extern bool NET_DVR_SetPlayerBufNumber(Int32 lRealHandle, uint dwBufNum);

        [DllImport(@"HCNetSDK\HCNetSDK.dll")]
        public static extern bool NET_DVR_ThrowBFrame(Int32 lRealHandle, uint dwNum);

        [DllImport(@"HCNetSDK\HCNetSDK.dll")]
        public static extern bool NET_DVR_SetAudioMode(uint dwMode);

        [DllImport(@"HCNetSDK\HCNetSDK.dll")]
        public static extern bool NET_DVR_OpenSound(Int32 lRealHandle);

        [DllImport(@"HCNetSDK\HCNetSDK.dll")]
        public static extern bool NET_DVR_CloseSound();

        [DllImport(@"HCNetSDK\HCNetSDK.dll")]
        public static extern bool NET_DVR_OpenSoundShare(Int32 lRealHandle);

        [DllImport(@"HCNetSDK\HCNetSDK.dll")]
        public static extern bool NET_DVR_CloseSoundShare(Int32 lRealHandle);

        [DllImport(@"HCNetSDK\HCNetSDK.dll")]
        public static extern bool NET_DVR_Volume(Int32 lRealHandle, ushort wVolume);

        [DllImport(@"HCNetSDK\HCNetSDK.dll")]
        public static extern bool NET_DVR_SaveRealData(Int32 lRealHandle, string sFileName);

        [DllImport(@"HCNetSDK\HCNetSDK.dll")]
        public static extern bool NET_DVR_StopSaveRealData(Int32 lRealHandle);

        /*********************************************************
        Function:	REALDATACALLBACK
        Desc:		(回调函数)
        Input:	
        Output:	
        Return:	
        **********************************************************/
        public delegate void SETREALDATACALLBACK(int lRealHandle, uint dwDataType, IntPtr pBuffer, uint dwBufSize, uint dwUser);

        [DllImport(@"HCNetSDK\HCNetSDK.dll")]
        public static extern bool NET_DVR_SetRealDataCallBack(int lRealHandle, SETREALDATACALLBACK fRealDataCallBack, uint dwUser);

        /*********************************************************
        Function:	STDDATACALLBACK
        Desc:		(回调函数)
        Input:	
        Output:	
        Return:	
        **********************************************************/
        public delegate void STDDATACALLBACK(int lRealHandle, uint dwDataType, ref byte pBuffer, uint dwBufSize, uint dwUser);

        [DllImport(@"HCNetSDK\HCNetSDK.dll")]
        public static extern bool NET_DVR_SetStandardDataCallBack(int lRealHandle, STDDATACALLBACK fStdDataCallBack, uint dwUser);


        [DllImport(@"HCNetSDK\HCNetSDK.dll")]
        public static extern bool NET_DVR_CapturePicture(Int32 lRealHandle, string sPicFileName);

        //动态生成I帧
        [DllImport(@"HCNetSDK\HCNetSDK.dll")]
        public static extern bool NET_DVR_MakeKeyFrame(Int32 lUserID, Int32 lChannel);//主码流

        [DllImport(@"HCNetSDK\HCNetSDK.dll")]
        public static extern bool NET_DVR_MakeKeyFrameSub(Int32 lUserID, Int32 lChannel);//子码流

        //云台控制相关接口
        [DllImport(@"HCNetSDK\HCNetSDK.dll")]
        public static extern bool NET_DVR_GetPTZCtrl(Int32 lRealHandle);

        [DllImport(@"HCNetSDK\HCNetSDK.dll")]
        public static extern bool NET_DVR_GetPTZCtrl_Other(Int32 lUserID, int lChannel);

        [DllImport(@"HCNetSDK\HCNetSDK.dll")]
        public static extern bool NET_DVR_PTZControl(Int32 lRealHandle, uint dwPTZCommand, uint dwStop);

        [DllImport(@"HCNetSDK\HCNetSDK.dll")]
        public static extern bool NET_DVR_PTZControl_Other(Int32 lUserID, Int32 lChannel, uint dwPTZCommand, uint dwStop);

        [DllImport(@"HCNetSDK\HCNetSDK.dll")]
        public static extern bool NET_DVR_TransPTZ(Int32 lRealHandle, string pPTZCodeBuf, uint dwBufSize);

        [DllImport(@"HCNetSDK\HCNetSDK.dll")]
        public static extern bool NET_DVR_TransPTZ_Other(int lUserID, int lChannel, string pPTZCodeBuf, uint dwBufSize);

        [DllImport(@"HCNetSDK\HCNetSDK.dll")]
        public static extern bool NET_DVR_PTZPreset(int lRealHandle, uint dwPTZPresetCmd, uint dwPresetIndex);

        [DllImport(@"HCNetSDK\HCNetSDK.dll")]
        public static extern bool NET_DVR_PTZPreset_Other(int lUserID, int lChannel, uint dwPTZPresetCmd, uint dwPresetIndex);

        [DllImport(@"HCNetSDK\HCNetSDK.dll")]
        public static extern bool NET_DVR_TransPTZ_EX(int lRealHandle, string pPTZCodeBuf, uint dwBufSize);

        [DllImport(@"HCNetSDK\HCNetSDK.dll")]
        public static extern bool NET_DVR_PTZControl_EX(int lRealHandle, uint dwPTZCommand, uint dwStop);

        [DllImport(@"HCNetSDK\HCNetSDK.dll")]
        public static extern bool NET_DVR_PTZPreset_EX(int lRealHandle, uint dwPTZPresetCmd, uint dwPresetIndex);

        [DllImport(@"HCNetSDK\HCNetSDK.dll")]
        public static extern bool NET_DVR_PTZCruise(int lRealHandle, uint dwPTZCruiseCmd, byte byCruiseRoute, byte byCruisePoint, ushort wInput);

        [DllImport(@"HCNetSDK\HCNetSDK.dll")]
        public static extern bool NET_DVR_PTZCruise_Other(int lUserID, int lChannel, uint dwPTZCruiseCmd, byte byCruiseRoute, byte byCruisePoint, ushort wInput);

        [DllImport(@"HCNetSDK\HCNetSDK.dll")]
        public static extern bool NET_DVR_PTZCruise_EX(int lRealHandle, uint dwPTZCruiseCmd, byte byCruiseRoute, byte byCruisePoint, ushort wInput);

        [DllImport(@"HCNetSDK\HCNetSDK.dll")]
        public static extern bool NET_DVR_PTZTrack(int lRealHandle, uint dwPTZTrackCmd);

        [DllImport(@"HCNetSDK\HCNetSDK.dll")]
        public static extern bool NET_DVR_PTZTrack_Other(int lUserID, int lChannel, uint dwPTZTrackCmd);

        [DllImport(@"HCNetSDK\HCNetSDK.dll")]
        public static extern bool NET_DVR_PTZTrack_EX(int lRealHandle, uint dwPTZTrackCmd);

        [DllImport(@"HCNetSDK\HCNetSDK.dll")]
        public static extern bool NET_DVR_PTZControlWithSpeed(int lRealHandle, uint dwPTZCommand, uint dwStop, uint dwSpeed);

        [DllImport(@"HCNetSDK\HCNetSDK.dll")]
        public static extern bool NET_DVR_PTZControlWithSpeed_Other(int lUserID, int lChannel, int dwPTZCommand, int dwStop, int dwSpeed);

        [DllImport(@"HCNetSDK\HCNetSDK.dll")]
        public static extern bool NET_DVR_PTZControlWithSpeed_EX(int lRealHandle, uint dwPTZCommand, uint dwStop, uint dwSpeed);

        [DllImport(@"HCNetSDK\HCNetSDK.dll")]
        public static extern bool NET_DVR_GetPTZCruise(int lUserID, int lChannel, int lCruiseRoute, ref NET_DVR_CRUISE_RET lpCruiseRet);

        [DllImport(@"HCNetSDK\HCNetSDK.dll")]
        public static extern bool NET_DVR_PTZMltTrack(int lRealHandle, uint dwPTZTrackCmd, uint dwTrackIndex);

        [DllImport(@"HCNetSDK\HCNetSDK.dll")]
        public static extern bool NET_DVR_PTZMltTrack_Other(int lUserID, int lChannel, uint dwPTZTrackCmd, uint dwTrackIndex);

        [DllImport(@"HCNetSDK\HCNetSDK.dll")]
        public static extern bool NET_DVR_PTZMltTrack_EX(int lRealHandle, uint dwPTZTrackCmd, uint dwTrackIndex);

        //文件查找与回放
        [DllImport(@"HCNetSDK\HCNetSDK.dll")]
        public static extern int NET_DVR_FindFile(int lUserID, int lChannel, uint dwFileType, ref NET_DVR_TIME lpStartTime, ref NET_DVR_TIME lpStopTime);

        [DllImport(@"HCNetSDK\HCNetSDK.dll")]
        public static extern int NET_DVR_FindNextFile(int lFindHandle, ref NET_DVR_FIND_DATA lpFindData);

        [DllImport(@"HCNetSDK\HCNetSDK.dll")]
        public static extern bool NET_DVR_FindClose(int lFindHandle);

        [DllImport(@"HCNetSDK\HCNetSDK.dll")]
        public static extern int NET_DVR_FindNextFile_V30(int lFindHandle, ref NET_DVR_FINDDATA_V30 lpFindData);

        [DllImport(@"HCNetSDK\HCNetSDK.dll")]
        public static extern int NET_DVR_FindNextFile_V40(int lFindHandle, ref NET_DVR_FINDDATA_V40 lpFindData);

        [DllImport(@"HCNetSDK\HCNetSDK.dll")]
        public static extern int NET_DVR_FindFile_V30(int lUserID, ref NET_DVR_FILECOND pFindCond);

        [DllImport(@"HCNetSDK\HCNetSDK.dll")]
        public static extern int NET_DVR_FindFile_V40(int lUserID, ref NET_DVR_FILECOND_V40 pFindCond);

        [DllImport(@"HCNetSDK\HCNetSDK.dll")]
        public static extern bool NET_DVR_FindClose_V30(int lFindHandle);

        //2007-04-16增加查询结果带卡号的文件查找
        [DllImport(@"HCNetSDK\HCNetSDK.dll")]
        public static extern int NET_DVR_FindNextFile_Card(int lFindHandle, ref NET_DVR_FINDDATA_CARD lpFindData);

        [DllImport(@"HCNetSDK\HCNetSDK.dll")]
        public static extern int NET_DVR_FindFile_Card(int lUserID, int lChannel, uint dwFileType, ref NET_DVR_TIME lpStartTime, ref NET_DVR_TIME lpStopTime);

        [DllImport(@"HCNetSDK\HCNetSDK.dll")]
        public static extern bool NET_DVR_LockFileByName(int lUserID, string sLockFileName);

        [DllImport(@"HCNetSDK\HCNetSDK.dll")]
        public static extern bool NET_DVR_UnlockFileByName(int lUserID, string sUnlockFileName);

        [DllImport(@"HCNetSDK\HCNetSDK.dll")]
        public static extern int NET_DVR_PlayBackByName(int lUserID, string sPlayBackFileName, IntPtr hWnd);

        [DllImport(@"HCNetSDK\HCNetSDK.dll")]
        public static extern int NET_DVR_PlayBackByTime(int lUserID, int lChannel, ref NET_DVR_TIME lpStartTime, ref NET_DVR_TIME lpStopTime, System.IntPtr hWnd);

        [DllImport(@"HCNetSDK\HCNetSDK.dll")]
        public static extern int NET_DVR_PlayBackByTime_V40(int lUserID, ref NET_DVR_VOD_PARA pVodPara);

        [DllImport(@"HCNetSDK\HCNetSDK.dll")]
        public static extern bool NET_DVR_PlayBackControl(int lPlayHandle, uint dwControlCode, uint dwInValue, ref uint LPOutValue);

        [DllImport(@"HCNetSDK\HCNetSDK.dll")]
        public static extern bool NET_DVR_PlayBackControl_V40(int lPlayHandle, uint dwControlCode, IntPtr lpInBuffer, uint dwInValue, IntPtr lpOutBuffer, ref uint LPOutValue);

        [DllImport(@"HCNetSDK\HCNetSDK.dll")]
        public static extern bool NET_DVR_StopPlayBack(int lPlayHandle);

        /*********************************************************
        Function:	PLAYDATACALLBACK
        Desc:		(回调函数)
        Input:	
        Output:	
        Return:	
        **********************************************************/
        public delegate void PLAYDATACALLBACK(int lPlayHandle, uint dwDataType, IntPtr pBuffer, uint dwBufSize, uint dwUser);

        [DllImport(@"HCNetSDK\HCNetSDK.dll")]
        public static extern bool NET_DVR_SetPlayDataCallBack(int lPlayHandle, PLAYDATACALLBACK fPlayDataCallBack, uint dwUser);


        [DllImport(@"HCNetSDK\HCNetSDK.dll")]
        public static extern bool NET_DVR_PlayBackSaveData(int lPlayHandle, string sFileName);

        [DllImport(@"HCNetSDK\HCNetSDK.dll")]
        public static extern bool NET_DVR_StopPlayBackSave(int lPlayHandle);

        [DllImport(@"HCNetSDK\HCNetSDK.dll")]
        public static extern bool NET_DVR_GetPlayBackOsdTime(int lPlayHandle, ref NET_DVR_TIME lpOsdTime);

        [DllImport(@"HCNetSDK\HCNetSDK.dll")]
        public static extern bool NET_DVR_PlayBackCaptureFile(int lPlayHandle, string sFileName);

        [DllImport(@"HCNetSDK\HCNetSDK.dll")]
        public static extern int NET_DVR_GetFileByName(int lUserID, string sDVRFileName, string sSavedFileName);

        [DllImport(@"HCNetSDK\HCNetSDK.dll")]
        public static extern int NET_DVR_GetFileByTime(int lUserID, int lChannel, ref NET_DVR_TIME lpStartTime, ref NET_DVR_TIME lpStopTime, string sSavedFileName);

        [DllImport(@"HCNetSDK\HCNetSDK.dll")]
        public static extern int NET_DVR_GetFileByTime_V40(int lUserID, string sSavedFileName, ref NET_DVR_PLAYCOND pDownloadCond);

        [DllImport(@"HCNetSDK\HCNetSDK.dll")]
        public static extern bool NET_DVR_StopGetFile(int lFileHandle);

        [DllImport(@"HCNetSDK\HCNetSDK.dll")]
        public static extern int NET_DVR_GetDownloadPos(int lFileHandle);

        [DllImport(@"HCNetSDK\HCNetSDK.dll")]
        public static extern int NET_DVR_GetPlayBackPos(int lPlayHandle);

        //升级
        [DllImport(@"HCNetSDK\HCNetSDK.dll")]
        public static extern int NET_DVR_Upgrade(int lUserID, string sFileName);

        [DllImport(@"HCNetSDK\HCNetSDK.dll")]
        public static extern int NET_DVR_GetUpgradeState(int lUpgradeHandle);

        [DllImport(@"HCNetSDK\HCNetSDK.dll")]
        public static extern int NET_DVR_GetUpgradeProgress(int lUpgradeHandle);

        [DllImport(@"HCNetSDK\HCNetSDK.dll")]
        public static extern bool NET_DVR_CloseUpgradeHandle(int lUpgradeHandle);

        [DllImport(@"HCNetSDK\HCNetSDK.dll")]
        public static extern bool NET_DVR_SetNetworkEnvironment(uint dwEnvironmentLevel);

        //远程格式化硬盘
        [DllImport(@"HCNetSDK\HCNetSDK.dll")]
        public static extern int NET_DVR_FormatDisk(int lUserID, int lDiskNumber);

        [DllImport(@"HCNetSDK\HCNetSDK.dll")]
        public static extern bool NET_DVR_GetFormatProgress(int lFormatHandle, ref int pCurrentFormatDisk, ref int pCurrentDiskPos, ref int pFormatStatic);

        [DllImport(@"HCNetSDK\HCNetSDK.dll")]
        public static extern bool NET_DVR_CloseFormatHandle(int lFormatHandle);

        //报警
        [DllImport(@"HCNetSDK\HCNetSDK.dll")]
        public static extern int NET_DVR_SetupAlarmChan(int lUserID);

        [DllImport(@"HCNetSDK\HCNetSDK.dll")]
        public static extern bool NET_DVR_CloseAlarmChan(int lAlarmHandle);

        [DllImport(@"HCNetSDK\HCNetSDK.dll")]
        public static extern int NET_DVR_SetupAlarmChan_V30(int lUserID);

        [DllImport(@"HCNetSDK\HCNetSDK.dll")]
        public static extern int NET_DVR_SetupAlarmChan_V41(int lUserID, ref NET_DVR_SETUPALARM_PARAM lpSetupParam);

        [DllImport(@"HCNetSDK\HCNetSDK.dll")]
        public static extern bool NET_DVR_CloseAlarmChan_V30(int lAlarmHandle);

        //语音对讲
        /*********************************************************
        Function:	VOICEDATACALLBACK
        Desc:		(回调函数)
        Input:	
        Output:	
        Return:	
        **********************************************************/
        public delegate void VOICEDATACALLBACK(int lVoiceComHandle, string pRecvDataBuffer, uint dwBufSize, byte byAudioFlag, uint dwUser);

        [DllImport(@"HCNetSDK\HCNetSDK.dll")]
        public static extern int NET_DVR_StartVoiceCom(int lUserID, VOICEDATACALLBACK fVoiceDataCallBack, uint dwUser);

        /*********************************************************
        Function:	VOICEDATACALLBACKV30
        Desc:		(回调函数)
        Input:	
        Output:	
        Return:	
        **********************************************************/
        public delegate void VOICEDATACALLBACKV30(int lVoiceComHandle, string pRecvDataBuffer, uint dwBufSize, byte byAudioFlag, System.IntPtr pUser);

        [DllImport(@"HCNetSDK\HCNetSDK.dll")]
        public static extern int NET_DVR_StartVoiceCom_V30(int lUserID, uint dwVoiceChan, bool bNeedCBNoEncData, VOICEDATACALLBACKV30 fVoiceDataCallBack, IntPtr pUser);


        [DllImport(@"HCNetSDK\HCNetSDK.dll")]
        public static extern bool NET_DVR_SetVoiceComClientVolume(int lVoiceComHandle, ushort wVolume);

        [DllImport(@"HCNetSDK\HCNetSDK.dll")]
        public static extern bool NET_DVR_StopVoiceCom(int lVoiceComHandle);

        //语音转发
        [DllImport(@"HCNetSDK\HCNetSDK.dll")]
        public static extern int NET_DVR_StartVoiceCom_MR(int lUserID, VOICEDATACALLBACK fVoiceDataCallBack, uint dwUser);

        [DllImport(@"HCNetSDK\HCNetSDK.dll")]
        public static extern int NET_DVR_StartVoiceCom_MR_V30(int lUserID, uint dwVoiceChan, VOICEDATACALLBACKV30 fVoiceDataCallBack, IntPtr pUser);

        [DllImport(@"HCNetSDK\HCNetSDK.dll")]
        public static extern bool NET_DVR_VoiceComSendData(int lVoiceComHandle, string pSendBuf, uint dwBufSize);

        //语音广播
        [DllImport(@"HCNetSDK\HCNetSDK.dll")]
        public static extern bool NET_DVR_ClientAudioStart();

        /*********************************************************
        Function:	VOICEAUDIOSTART
        Desc:		(回调函数)
        Input:	
        Output:	
        Return:	
        **********************************************************/
        public delegate void VOICEAUDIOSTART(string pRecvDataBuffer, uint dwBufSize, IntPtr pUser);

        [DllImport(@"HCNetSDK\HCNetSDK.dll")]
        public static extern bool NET_DVR_ClientAudioStart_V30(VOICEAUDIOSTART fVoiceAudioStart, IntPtr pUser);


        [DllImport(@"HCNetSDK\HCNetSDK.dll")]
        public static extern bool NET_DVR_ClientAudioStop();

        [DllImport(@"HCNetSDK\HCNetSDK.dll")]
        public static extern bool NET_DVR_AddDVR(int lUserID);

        [DllImport(@"HCNetSDK\HCNetSDK.dll")]
        public static extern int NET_DVR_AddDVR_V30(int lUserID, uint dwVoiceChan);

        [DllImport(@"HCNetSDK\HCNetSDK.dll")]
        public static extern bool NET_DVR_DelDVR(int lUserID);

        [DllImport(@"HCNetSDK\HCNetSDK.dll")]
        public static extern bool NET_DVR_DelDVR_V30(int lVoiceHandle);


        //透明通道设置
        /*********************************************************
        Function:	SERIALDATACALLBACK
        Desc:		(回调函数)
        Input:	
        Output:	
        Return:	
        **********************************************************/
        public delegate void SERIALDATACALLBACK(int lSerialHandle, string pRecvDataBuffer, uint dwBufSize, uint dwUser);

        [DllImport(@"HCNetSDK\HCNetSDK.dll")]
        public static extern bool NET_DVR_SerialStart(int lUserID, int lSerialPort, SERIALDATACALLBACK fSerialDataCallBack, uint dwUser);

        //485作为透明通道时，需要指明通道号，因为不同通道号485的设置可以不同(比如波特率)
        [DllImport(@"HCNetSDK\HCNetSDK.dll")]
        public static extern bool NET_DVR_SerialSend(int lSerialHandle, int lChannel, string pSendBuf, uint dwBufSize);

        [DllImport(@"HCNetSDK\HCNetSDK.dll")]
        public static extern bool NET_DVR_SerialStop(int lSerialHandle);

        [DllImport(@"HCNetSDK\HCNetSDK.dll")]
        public static extern bool NET_DVR_SendTo232Port(int lUserID, string pSendBuf, uint dwBufSize);

        [DllImport(@"HCNetSDK\HCNetSDK.dll")]
        public static extern bool NET_DVR_SendToSerialPort(int lUserID, uint dwSerialPort, uint dwSerialIndex, string pSendBuf, uint dwBufSize);

        //解码 nBitrate = 16000
        [DllImport(@"HCNetSDK\HCNetSDK.dll")]
        public static extern System.IntPtr NET_DVR_InitG722Decoder(int nBitrate);

        [DllImport(@"HCNetSDK\HCNetSDK.dll")]
        public static extern void NET_DVR_ReleaseG722Decoder(IntPtr pDecHandle);

        [DllImport(@"HCNetSDK\HCNetSDK.dll")]
        public static extern bool NET_DVR_DecodeG722Frame(IntPtr pDecHandle, ref byte pInBuffer, ref byte pOutBuffer);

        //编码
        [DllImport(@"HCNetSDK\HCNetSDK.dll")]
        public static extern IntPtr NET_DVR_InitG722Encoder();

        [DllImport(@"HCNetSDK\HCNetSDK.dll")]
        public static extern bool NET_DVR_EncodeG722Frame(IntPtr pEncodeHandle, ref byte pInBuffer, ref byte pOutBuffer);

        [DllImport(@"HCNetSDK\HCNetSDK.dll")]
        public static extern void NET_DVR_ReleaseG722Encoder(IntPtr pEncodeHandle);

        //远程控制本地显示
        [DllImport(@"HCNetSDK\HCNetSDK.dll")]
        public static extern bool NET_DVR_ClickKey(int lUserID, int lKeyIndex);

        //远程控制设备端手动录像
        [DllImport(@"HCNetSDK\HCNetSDK.dll")]
        public static extern bool NET_DVR_StartDVRRecord(int lUserID, int lChannel, int lRecordType);

        [DllImport(@"HCNetSDK\HCNetSDK.dll")]
        public static extern bool NET_DVR_StopDVRRecord(int lUserID, int lChannel);

        //解码卡
        [DllImport(@"HCNetSDK\HCNetSDK.dll")]
        public static extern bool NET_DVR_InitDevice_Card(ref int pDeviceTotalChan);

        [DllImport(@"HCNetSDK\HCNetSDK.dll")]
        public static extern bool NET_DVR_ReleaseDevice_Card();

        [DllImport(@"HCNetSDK\HCNetSDK.dll")]
        public static extern bool NET_DVR_InitDDraw_Card(IntPtr hParent, uint colorKey);

        [DllImport(@"HCNetSDK\HCNetSDK.dll")]
        public static extern bool NET_DVR_ReleaseDDraw_Card();

        [DllImport(@"HCNetSDK\HCNetSDK.dll")]
        public static extern int NET_DVR_RealPlay_Card(int lUserID, ref NET_DVR_CARDINFO lpCardInfo, int lChannelNum);

        [DllImport(@"HCNetSDK\HCNetSDK.dll")]
        public static extern bool NET_DVR_ResetPara_Card(int lRealHandle, ref NET_DVR_DISPLAY_PARA lpDisplayPara);

        [DllImport(@"HCNetSDK\HCNetSDK.dll")]
        public static extern bool NET_DVR_RefreshSurface_Card();

        [DllImport(@"HCNetSDK\HCNetSDK.dll")]
        public static extern bool NET_DVR_ClearSurface_Card();

        [DllImport(@"HCNetSDK\HCNetSDK.dll")]
        public static extern bool NET_DVR_RestoreSurface_Card();

        [DllImport(@"HCNetSDK\HCNetSDK.dll")]
        public static extern bool NET_DVR_OpenSound_Card(int lRealHandle);

        [DllImport(@"HCNetSDK\HCNetSDK.dll")]
        public static extern bool NET_DVR_CloseSound_Card(int lRealHandle);

        [DllImport(@"HCNetSDK\HCNetSDK.dll")]
        public static extern bool NET_DVR_SetVolume_Card(int lRealHandle, ushort wVolume);

        [DllImport(@"HCNetSDK\HCNetSDK.dll")]
        public static extern bool NET_DVR_AudioPreview_Card(int lRealHandle, int bEnable);

        [DllImport(@"HCNetSDK\HCNetSDK.dll")]
        public static extern int NET_DVR_GetCardLastError_Card();

        [DllImport(@"HCNetSDK\HCNetSDK.dll")]
        public static extern System.IntPtr NET_DVR_GetChanHandle_Card(int lRealHandle);

        [DllImport(@"HCNetSDK\HCNetSDK.dll")]
        public static extern bool NET_DVR_CapturePicture_Card(int lRealHandle, string sPicFileName);

        //获取解码卡序列号此接口无效，改用GetBoardDetail接口获得(2005-12-08支持)
        [DllImport(@"HCNetSDK\HCNetSDK.dll")]
        public static extern bool NET_DVR_GetSerialNum_Card(int lChannelNum, ref uint pDeviceSerialNo);

        //日志
        [DllImport(@"HCNetSDK\HCNetSDK.dll")]
        public static extern int NET_DVR_FindDVRLog(int lUserID, int lSelectMode, uint dwMajorType, uint dwMinorType, ref NET_DVR_TIME lpStartTime, ref NET_DVR_TIME lpStopTime);

        [DllImport(@"HCNetSDK\HCNetSDK.dll")]
        public static extern int NET_DVR_FindNextLog(int lLogHandle, ref NET_DVR_LOG lpLogData);

        [DllImport(@"HCNetSDK\HCNetSDK.dll")]
        public static extern bool NET_DVR_FindLogClose(int lLogHandle);

        [DllImport(@"HCNetSDK\HCNetSDK.dll")]
        public static extern int NET_DVR_FindDVRLog_V30(int lUserID, int lSelectMode, uint dwMajorType, uint dwMinorType, ref NET_DVR_TIME lpStartTime, ref NET_DVR_TIME lpStopTime, bool bOnlySmart);

        [DllImport(@"HCNetSDK\HCNetSDK.dll")]
        public static extern int NET_DVR_FindNextLog_V30(int lLogHandle, ref NET_DVR_LOG_V30 lpLogData);

        [DllImport(@"HCNetSDK\HCNetSDK.dll")]
        public static extern bool NET_DVR_FindLogClose_V30(int lLogHandle);

        //截止2004年8月5日,共113个接口
        //ATM DVR
        [DllImport(@"HCNetSDK\HCNetSDK.dll")]
        public static extern int NET_DVR_FindFileByCard(int lUserID, int lChannel, uint dwFileType, int nFindType, ref byte sCardNumber, ref NET_DVR_TIME lpStartTime, ref NET_DVR_TIME lpStopTime);


        //2005-09-15
        [DllImport(@"HCNetSDK\HCNetSDK.dll")]
        public static extern bool NET_DVR_CaptureJPEGPicture(int lUserID, int lChannel, ref NET_DVR_JPEGPARA lpJpegPara, string sPicFileName);

        //JPEG抓图到内存
        [DllImport(@"HCNetSDK\HCNetSDK.dll")]
        public static extern bool NET_DVR_CaptureJPEGPicture_NEW(int lUserID, int lChannel, ref NET_DVR_JPEGPARA lpJpegPara, byte[] sJpegPicBuffer, uint dwPicSize, ref uint lpSizeReturned);

        //2006-02-16
        [DllImport(@"HCNetSDK\HCNetSDK.dll")]
        public static extern int NET_DVR_GetRealPlayerIndex(int lRealHandle);

        [DllImport(@"HCNetSDK\HCNetSDK.dll")]
        public static extern int NET_DVR_GetPlayBackPlayerIndex(int lPlayHandle);

        //2006-08-28 704-640 缩放配置
        [DllImport(@"HCNetSDK\HCNetSDK.dll")]
        public static extern bool NET_DVR_SetScaleCFG(int lUserID, uint dwScale);

        [DllImport(@"HCNetSDK\HCNetSDK.dll")]
        public static extern bool NET_DVR_GetScaleCFG(int lUserID, ref uint lpOutScale);

        [DllImport(@"HCNetSDK\HCNetSDK.dll")]
        public static extern bool NET_DVR_SetScaleCFG_V30(int lUserID, ref NET_DVR_SCALECFG pScalecfg);

        [DllImport(@"HCNetSDK\HCNetSDK.dll")]
        public static extern bool NET_DVR_GetScaleCFG_V30(int lUserID, ref NET_DVR_SCALECFG pScalecfg);

        //2006-08-28 ATM机端口设置
        [DllImport(@"HCNetSDK\HCNetSDK.dll")]
        public static extern bool NET_DVR_SetATMPortCFG(int lUserID, ushort wATMPort);

        [DllImport(@"HCNetSDK\HCNetSDK.dll")]
        public static extern bool NET_DVR_GetATMPortCFG(int lUserID, ref ushort LPOutATMPort);

        //2006-11-10 支持显卡辅助输出
        [DllImport(@"HCNetSDK\HCNetSDK.dll")]
        public static extern bool NET_DVR_InitDDrawDevice();

        [DllImport(@"HCNetSDK\HCNetSDK.dll")]
        public static extern bool NET_DVR_ReleaseDDrawDevice();

        [DllImport(@"HCNetSDK\HCNetSDK.dll")]
        public static extern int NET_DVR_GetDDrawDeviceTotalNums();

        [DllImport(@"HCNetSDK\HCNetSDK.dll")]
        public static extern bool NET_DVR_SetDDrawDevice(int lPlayPort, uint nDeviceNum);

        [DllImport(@"HCNetSDK\HCNetSDK.dll")]
        public static extern bool NET_DVR_PTZSelZoomIn(int lRealHandle, ref NET_DVR_POINT_FRAME pStruPointFrame);

        [DllImport(@"HCNetSDK\HCNetSDK.dll")]
        public static extern bool NET_DVR_PTZSelZoomIn_EX(int lUserID, int lChannel, ref NET_DVR_POINT_FRAME pStruPointFrame);

        //解码设备DS-6001D/DS-6001F
        [DllImport(@"HCNetSDK\HCNetSDK.dll")]
        public static extern bool NET_DVR_StartDecode(int lUserID, int lChannel, ref NET_DVR_DECODERINFO lpDecoderinfo);

        [DllImport(@"HCNetSDK\HCNetSDK.dll")]
        public static extern bool NET_DVR_StopDecode(int lUserID, int lChannel);

        [DllImport(@"HCNetSDK\HCNetSDK.dll")]
        public static extern bool NET_DVR_GetDecoderState(int lUserID, int lChannel, ref NET_DVR_DECODERSTATE lpDecoderState);

        //2005-08-01
        [DllImport(@"HCNetSDK\HCNetSDK.dll")]
        public static extern bool NET_DVR_SetDecInfo(int lUserID, int lChannel, ref NET_DVR_DECCFG lpDecoderinfo);

        [DllImport(@"HCNetSDK\HCNetSDK.dll")]
        public static extern bool NET_DVR_GetDecInfo(int lUserID, int lChannel, ref NET_DVR_DECCFG lpDecoderinfo);

        [DllImport(@"HCNetSDK\HCNetSDK.dll")]
        public static extern bool NET_DVR_SetDecTransPort(int lUserID, ref NET_DVR_PORTCFG lpTransPort);

        [DllImport(@"HCNetSDK\HCNetSDK.dll")]
        public static extern bool NET_DVR_GetDecTransPort(int lUserID, ref NET_DVR_PORTCFG lpTransPort);

        [DllImport(@"HCNetSDK\HCNetSDK.dll")]
        public static extern bool NET_DVR_DecPlayBackCtrl(int lUserID, int lChannel, uint dwControlCode, uint dwInValue, ref uint LPOutValue, ref NET_DVR_PLAYREMOTEFILE lpRemoteFileInfo);

        [DllImport(@"HCNetSDK\HCNetSDK.dll")]
        public static extern bool NET_DVR_StartDecSpecialCon(int lUserID, int lChannel, ref NET_DVR_DECCHANINFO lpDecChanInfo);

        [DllImport(@"HCNetSDK\HCNetSDK.dll")]
        public static extern bool NET_DVR_StopDecSpecialCon(int lUserID, int lChannel, ref NET_DVR_DECCHANINFO lpDecChanInfo);

        [DllImport(@"HCNetSDK\HCNetSDK.dll")]
        public static extern bool NET_DVR_DecCtrlDec(int lUserID, int lChannel, uint dwControlCode);

        [DllImport(@"HCNetSDK\HCNetSDK.dll")]
        public static extern bool NET_DVR_DecCtrlScreen(int lUserID, int lChannel, uint dwControl);

        //多路解码器
        //2007-11-30 V211支持以下接口 //11
        [DllImport(@"HCNetSDK\HCNetSDK.dll")]
        public static extern bool NET_DVR_MatrixStartDynamic(int lUserID, uint dwDecChanNum, ref NET_DVR_MATRIX_DYNAMIC_DEC lpDynamicInfo);

        [DllImport(@"HCNetSDK\HCNetSDK.dll")]
        public static extern bool NET_DVR_MatrixStopDynamic(int lUserID, uint dwDecChanNum);

        [DllImport(@"HCNetSDK\HCNetSDK.dll")]
        public static extern bool NET_DVR_MatrixGetDecChanInfo(int lUserID, uint dwDecChanNum, ref NET_DVR_MATRIX_DEC_CHAN_INFO lpInter);

        [DllImport(@"HCNetSDK\HCNetSDK.dll")]
        public static extern bool NET_DVR_MatrixSetLoopDecChanInfo(int lUserID, uint dwDecChanNum, ref NET_DVR_MATRIX_LOOP_DECINFO lpInter);

        [DllImport(@"HCNetSDK\HCNetSDK.dll")]
        public static extern bool NET_DVR_MatrixGetLoopDecChanInfo(int lUserID, uint dwDecChanNum, ref NET_DVR_MATRIX_LOOP_DECINFO lpInter);

        [DllImport(@"HCNetSDK\HCNetSDK.dll")]
        public static extern bool NET_DVR_MatrixSetLoopDecChanEnable(int lUserID, uint dwDecChanNum, uint dwEnable);

        [DllImport(@"HCNetSDK\HCNetSDK.dll")]
        public static extern bool NET_DVR_MatrixGetLoopDecChanEnable(int lUserID, uint dwDecChanNum, ref uint lpdwEnable);

        [DllImport(@"HCNetSDK\HCNetSDK.dll")]
        public static extern bool NET_DVR_MatrixGetLoopDecEnable(int lUserID, ref uint lpdwEnable);

        [DllImport(@"HCNetSDK\HCNetSDK.dll")]
        public static extern bool NET_DVR_MatrixSetDecChanEnable(int lUserID, uint dwDecChanNum, uint dwEnable);

        [DllImport(@"HCNetSDK\HCNetSDK.dll")]
        public static extern bool NET_DVR_MatrixGetDecChanEnable(int lUserID, uint dwDecChanNum, ref uint lpdwEnable);

        [DllImport(@"HCNetSDK\HCNetSDK.dll")]
        public static extern bool NET_DVR_MatrixGetDecChanStatus(int lUserID, uint dwDecChanNum, ref NET_DVR_MATRIX_DEC_CHAN_STATUS lpInter);

        //2007-12-22 增加支持接口 //18
        [DllImport(@"HCNetSDK\HCNetSDK.dll")]
        public static extern bool NET_DVR_MatrixSetTranInfo(int lUserID, ref NET_DVR_MATRIX_TRAN_CHAN_CONFIG lpTranInfo);

        [DllImport(@"HCNetSDK\HCNetSDK.dll")]
        public static extern bool NET_DVR_MatrixGetTranInfo(int lUserID, ref NET_DVR_MATRIX_TRAN_CHAN_CONFIG lpTranInfo);

        [DllImport(@"HCNetSDK\HCNetSDK.dll")]
        public static extern bool NET_DVR_MatrixSetRemotePlay(int lUserID, uint dwDecChanNum, ref NET_DVR_MATRIX_DEC_REMOTE_PLAY lpInter);

        [DllImport(@"HCNetSDK\HCNetSDK.dll")]
        public static extern bool NET_DVR_MatrixSetRemotePlayControl(int lUserID, uint dwDecChanNum, uint dwControlCode, uint dwInValue, ref uint LPOutValue);

        [DllImport(@"HCNetSDK\HCNetSDK.dll")]
        public static extern bool NET_DVR_MatrixGetRemotePlayStatus(int lUserID, uint dwDecChanNum, ref NET_DVR_MATRIX_DEC_REMOTE_PLAY_STATUS lpOuter);

        //2009-4-13 新增
        [DllImport(@"HCNetSDK\HCNetSDK.dll")]
        public static extern bool NET_DVR_MatrixStartDynamic_V30(int lUserID, uint dwDecChanNum, ref NET_DVR_PU_STREAM_CFG lpDynamicInfo);

        [DllImport(@"HCNetSDK\HCNetSDK.dll")]
        public static extern bool NET_DVR_MatrixSetLoopDecChanInfo_V30(int lUserID, uint dwDecChanNum, ref NET_DVR_MATRIX_LOOP_DECINFO_V30 lpInter);

        [DllImport(@"HCNetSDK\HCNetSDK.dll")]
        public static extern bool NET_DVR_MatrixGetLoopDecChanInfo_V30(int lUserID, uint dwDecChanNum, ref NET_DVR_MATRIX_LOOP_DECINFO_V30 lpInter);

        [DllImport(@"HCNetSDK\HCNetSDK.dll")]
        public static extern bool NET_DVR_MatrixGetDecChanInfo_V30(int lUserID, uint dwDecChanNum, ref NET_DVR_MATRIX_DEC_CHAN_INFO_V30 lpInter);

        [DllImport(@"HCNetSDK\HCNetSDK.dll")]
        public static extern bool NET_DVR_MatrixSetTranInfo_V30(int lUserID, ref NET_DVR_MATRIX_TRAN_CHAN_CONFIG_V30 lpTranInfo);

        [DllImport(@"HCNetSDK\HCNetSDK.dll")]
        public static extern bool NET_DVR_MatrixGetTranInfo_V30(int lUserID, ref NET_DVR_MATRIX_TRAN_CHAN_CONFIG_V30 lpTranInfo);

        [DllImport(@"HCNetSDK\HCNetSDK.dll")]
        public static extern bool NET_DVR_MatrixGetDisplayCfg(int lUserID, uint dwDispChanNum, ref NET_DVR_VGA_DISP_CHAN_CFG lpDisplayCfg);

        [DllImport(@"HCNetSDK\HCNetSDK.dll")]
        public static extern bool NET_DVR_MatrixSetDisplayCfg(int lUserID, uint dwDispChanNum, ref NET_DVR_VGA_DISP_CHAN_CFG lpDisplayCfg);


        [DllImport(@"HCNetSDK\HCNetSDK.dll")]
        public static extern int NET_DVR_MatrixStartPassiveDecode(int lUserID, uint dwDecChanNum, ref NET_DVR_MATRIX_PASSIVEMODE lpPassiveMode);

        [DllImport(@"HCNetSDK\HCNetSDK.dll")]
        public static extern bool NET_DVR_MatrixSendData(int lPassiveHandle, System.IntPtr pSendBuf, uint dwBufSize);

        [DllImport(@"HCNetSDK\HCNetSDK.dll")]
        public static extern bool NET_DVR_MatrixStopPassiveDecode(int lPassiveHandle);

        [DllImport(@"HCNetSDK\HCNetSDK.dll")]
        public static extern bool NET_DVR_UploadLogo(int lUserID, uint dwDispChanNum, ref NET_DVR_DISP_LOGOCFG lpDispLogoCfg, System.IntPtr sLogoBuffer);

        public const int NET_DVR_SHOWLOGO = 1;/*显示LOGO*/
        public const int NET_DVR_HIDELOGO = 2;/*隐藏LOGO*/

        [DllImport(@"HCNetSDK\HCNetSDK.dll")]
        public static extern bool NET_DVR_LogoSwitch(int lUserID, uint dwDecChan, uint dwLogoSwitch);

        [DllImport(@"HCNetSDK\HCNetSDK.dll")]
        public static extern bool NET_DVR_MatrixGetDeviceStatus(int lUserID, ref NET_DVR_DECODER_WORK_STATUS lpDecoderCfg);

        /*显示通道命令码定义*/
        //上海世博 定制
        [DllImport(@"HCNetSDK\HCNetSDK.dll")]
        public static extern bool NET_DVR_RigisterPlayBackDrawFun(int lRealHandle, DRAWFUN fDrawFun, uint dwUser);


        public const int DISP_CMD_ENLARGE_WINDOW = 1;	/*显示通道放大某个窗口*/
        public const int DISP_CMD_RENEW_WINDOW = 2;	/*显示通道窗口还原*/

        [DllImport(@"HCNetSDK\HCNetSDK.dll")]
        public static extern bool NET_DVR_MatrixDiaplayControl(int lUserID, uint dwDispChanNum, uint dwDispChanCmd, uint dwCmdParam);

        //end
        [DllImport(@"HCNetSDK\HCNetSDK.dll")]
        public static extern bool NET_DVR_RefreshPlay(int lPlayHandle);

        //恢复默认值
        [DllImport(@"HCNetSDK\HCNetSDK.dll")]
        public static extern bool NET_DVR_RestoreConfig(int lUserID);

        //保存参数
        [DllImport(@"HCNetSDK\HCNetSDK.dll")]
        public static extern bool NET_DVR_SaveConfig(int lUserID);

        //重启
        [DllImport(@"HCNetSDK\HCNetSDK.dll")]
        public static extern bool NET_DVR_RebootDVR(int lUserID);

        //关闭DVR
        [DllImport(@"HCNetSDK\HCNetSDK.dll")]
        public static extern bool NET_DVR_ShutDownDVR(int lUserID);

        //参数配置 begin
        [DllImport(@"HCNetSDK\HCNetSDK.dll")]
        public static extern bool NET_DVR_GetDVRConfig(int lUserID, uint dwCommand, int lChannel, IntPtr lpOutBuffer, uint dwOutBufferSize, ref uint lpBytesReturned);

        [DllImport(@"HCNetSDK\HCNetSDK.dll")]
        public static extern bool NET_DVR_SetDVRConfig(int lUserID, uint dwCommand, int lChannel, System.IntPtr lpInBuffer, uint dwInBufferSize);

        [DllImport(@"HCNetSDK\HCNetSDK.dll")]
        public static extern bool NET_DVR_GetDVRWorkState_V30(int lUserID, IntPtr pWorkState);

        [DllImport(@"HCNetSDK\HCNetSDK.dll")]
        public static extern bool NET_DVR_GetDVRWorkState(int lUserID, ref NET_DVR_WORKSTATE lpWorkState);

        [DllImport(@"HCNetSDK\HCNetSDK.dll")]
        public static extern bool NET_DVR_SetVideoEffect(int lUserID, int lChannel, uint dwBrightValue, uint dwContrastValue, uint dwSaturationValue, uint dwHueValue);

        [DllImport(@"HCNetSDK\HCNetSDK.dll")]
        public static extern bool NET_DVR_GetVideoEffect(int lUserID, int lChannel, ref uint pBrightValue, ref uint pContrastValue, ref uint pSaturationValue, ref uint pHueValue);

        [DllImport(@"HCNetSDK\HCNetSDK.dll")]
        public static extern bool NET_DVR_ClientGetframeformat(int lUserID, ref NET_DVR_FRAMEFORMAT lpFrameFormat);

        [DllImport(@"HCNetSDK\HCNetSDK.dll")]
        public static extern bool NET_DVR_ClientSetframeformat(int lUserID, ref NET_DVR_FRAMEFORMAT lpFrameFormat);

        [DllImport(@"HCNetSDK\HCNetSDK.dll")]
        public static extern bool NET_DVR_GetAtmProtocol(int lUserID, ref NET_DVR_ATM_PROTOCOL lpAtmProtocol);

        [DllImport(@"HCNetSDK\HCNetSDK.dll")]
        public static extern bool NET_DVR_GetAlarmOut_V30(int lUserID, IntPtr lpAlarmOutState);

        [DllImport(@"HCNetSDK\HCNetSDK.dll")]
        public static extern bool NET_DVR_GetAlarmOut(int lUserID, ref NET_DVR_ALARMOUTSTATUS lpAlarmOutState);

        [DllImport(@"HCNetSDK\HCNetSDK.dll")]
        public static extern bool NET_DVR_SetAlarmOut(int lUserID, int lAlarmOutPort, int lAlarmOutStatic);

        //获取UPNP端口映射状态
        [DllImport(@"HCNetSDK\HCNetSDK.dll")]
        public static extern bool NET_DVR_GetUpnpNatState(int lUserID, ref NET_DVR_UPNP_NAT_STATE lpState);

        //视频参数调节
        [DllImport(@"HCNetSDK\HCNetSDK.dll")]
        public static extern bool NET_DVR_ClientSetVideoEffect(int lRealHandle, uint dwBrightValue, uint dwContrastValue, uint dwSaturationValue, uint dwHueValue);

        [DllImport(@"HCNetSDK\HCNetSDK.dll")]
        public static extern bool NET_DVR_ClientGetVideoEffect(int lRealHandle, ref uint pBrightValue, ref uint pContrastValue, ref uint pSaturationValue, ref uint pHueValue);

        //配置文件
        [DllImport(@"HCNetSDK\HCNetSDK.dll")]
        public static extern bool NET_DVR_GetConfigFile(int lUserID, string sFileName);

        [DllImport(@"HCNetSDK\HCNetSDK.dll")]
        public static extern bool NET_DVR_SetConfigFile(int lUserID, string sFileName);

        [DllImport(@"HCNetSDK\HCNetSDK.dll")]
        public static extern bool NET_DVR_GetConfigFile_V30(int lUserID, string sOutBuffer, uint dwOutSize, ref uint pReturnSize);

        [DllImport(@"HCNetSDK\HCNetSDK.dll")]
        public static extern bool NET_DVR_GetConfigFile_EX(int lUserID, string sOutBuffer, uint dwOutSize);

        [DllImport(@"HCNetSDK\HCNetSDK.dll")]
        public static extern bool NET_DVR_SetConfigFile_EX(int lUserID, string sInBuffer, uint dwInSize);

        //启用日志文件写入接口
        [DllImport(@"HCNetSDK\HCNetSDK.dll")]
        public static extern bool NET_DVR_SetLogToFile(int bLogEnable, string strLogDir, bool bAutoDel);

        [DllImport(@"HCNetSDK\HCNetSDK.dll")]
        public static extern bool NET_DVR_GetSDKState(ref NET_DVR_SDKSTATE pSDKState);

        [DllImport(@"HCNetSDK\HCNetSDK.dll")]
        public static extern bool NET_DVR_GetSDKAbility(ref NET_DVR_SDKABL pSDKAbl);

        [DllImport(@"HCNetSDK\HCNetSDK.dll")]
        public static extern bool NET_DVR_GetPTZProtocol(int lUserID, ref NET_DVR_PTZCFG pPtzcfg);

        //前面板锁定
        [DllImport(@"HCNetSDK\HCNetSDK.dll")]
        public static extern bool NET_DVR_LockPanel(int lUserID);

        [DllImport(@"HCNetSDK\HCNetSDK.dll")]
        public static extern bool NET_DVR_UnLockPanel(int lUserID);

        [DllImport(@"HCNetSDK\HCNetSDK.dll")]
        public static extern bool NET_DVR_SetRtspConfig(int lUserID, uint dwCommand, ref NET_DVR_RTSPCFG lpInBuffer, uint dwInBufferSize);

        [DllImport(@"HCNetSDK\HCNetSDK.dll")]
        public static extern bool NET_DVR_GetRtspConfig(int lUserID, uint dwCommand, ref NET_DVR_RTSPCFG lpOutBuffer, uint dwOutBufferSize);

        //视频综合平台
        [DllImport(@"HCNetSDK\HCNetSDK.dll")]
        public static extern bool NET_DVR_MatrixGetSceneCfg(int lUserID, uint dwSceneNum, ref NET_DVR_MATRIX_SCENECFG lpSceneCfg);
        [DllImport(@"HCNetSDK\HCNetSDK.dll")]
        public static extern bool NET_DVR_MatrixSetSceneCfg(int lUserID, uint dwSceneNum, ref NET_DVR_MATRIX_SCENECFG lpSceneCfg);

        //SDK_V222
        //智能设备类型
        public const int DS6001_HF_B = 60;//行为分析：DS6001-HF/B
        public const int DS6001_HF_P = 61;//车牌识别：DS6001-HF/P
        public const int DS6002_HF_B = 62;//双机跟踪：DS6002-HF/B
        public const int DS6101_HF_B = 63;//行为分析：DS6101-HF/B
        public const int IDS52XX = 64;//智能分析仪IVMS
        public const int DS9000_IVS = 65;//9000系列智能DVR
        public const int DS8004_AHL_A = 66;//智能ATM, DS8004AHL-S/A
        public const int DS6101_HF_P = 67;//车牌识别：DS6101-HF/P

        //能力获取命令
        public const int VCA_DEV_ABILITY = 256;//设备智能分析的总能力
        public const int VCA_CHAN_ABILITY = 272;//行为分析能力
        public const int MATRIXDECODER_ABILITY = 512;//多路解码器显示、解码能力
        //获取/设置大接口参数配置命令
        //车牌识别（NET_VCA_PLATE_CFG）
        public const int NET_DVR_SET_PLATECFG = 150;//设置车牌识别参数
        public const int NET_DVR_GET_PLATECFG = 151;//获取车牌识别参数
        //行为对应（NET_VCA_RULECFG）
        public const int NET_DVR_SET_RULECFG = 152;//设置行为分析规则
        public const int NET_DVR_GET_RULECFG = 153;//获取行为分析规则

        //双摄像机标定参数（NET_DVR_LF_CFG）
        public const int NET_DVR_SET_LF_CFG = 160;//设置双摄像机的配置参数
        public const int NET_DVR_GET_LF_CFG = 161;//获取双摄像机的配置参数

        //智能分析仪取流配置结构
        public const int NET_DVR_SET_IVMS_STREAMCFG = 162;//设置智能分析仪取流参数
        public const int NET_DVR_GET_IVMS_STREAMCFG = 163;//获取智能分析仪取流参数

        //智能控制参数结构
        public const int NET_DVR_SET_VCA_CTRLCFG = 164;//设置智能控制参数
        public const int NET_DVR_GET_VCA_CTRLCFG = 165;//获取智能控制参数

        //屏蔽区域NET_VCA_MASK_REGION_LIST
        public const int NET_DVR_SET_VCA_MASK_REGION = 166;//设置屏蔽区域参数
        public const int NET_DVR_GET_VCA_MASK_REGION = 167;//获取屏蔽区域参数

        //ATM进入区域 NET_VCA_ENTER_REGION
        public const int NET_DVR_SET_VCA_ENTER_REGION = 168;//设置进入区域参数
        public const int NET_DVR_GET_VCA_ENTER_REGION = 169;//获取进入区域参数

        //标定线配置NET_VCA_LINE_SEGMENT_LIST
        public const int NET_DVR_SET_VCA_LINE_SEGMENT = 170;//设置标定线
        public const int NET_DVR_GET_VCA_LINE_SEGMENT = 171;//获取标定线

        // ivms屏蔽区域NET_IVMS_MASK_REGION_LIST
        public const int NET_DVR_SET_IVMS_MASK_REGION = 172;//设置IVMS屏蔽区域参数
        public const int NET_DVR_GET_IVMS_MASK_REGION = 173;//获取IVMS屏蔽区域参数
        // ivms进入检测区域NET_IVMS_ENTER_REGION
        public const int NET_DVR_SET_IVMS_ENTER_REGION = 174;//设置IVMS进入区域参数
        public const int NET_DVR_GET_IVMS_ENTER_REGION = 175;//获取IVMS进入区域参数

        public const int NET_DVR_SET_IVMS_BEHAVIORCFG = 176;//设置智能分析仪行为规则参数
        public const int NET_DVR_GET_IVMS_BEHAVIORCFG = 177;//获取智能分析仪行为规则参数

        // IVMS 回放检索
        public const int NET_DVR_IVMS_SET_SEARCHCFG = 178;//设置IVMS回放检索参数
        public const int NET_DVR_IVMS_GET_SEARCHCFG = 179;//获取IVMS回放检索参数        

        //结构参数宏定义 
        public const int VCA_MAX_POLYGON_POINT_NUM = 10;//检测区域最多支持10个点的多边形
        public const int MAX_RULE_NUM = 8;//最多规则条数
        public const int MAX_TARGET_NUM = 30;//最多目标个数
        public const int MAX_CALIB_PT = 6;//最大标定点个数
        public const int MIN_CALIB_PT = 4;//最小标定点个数
        public const int MAX_TIMESEGMENT_2 = 2;//最大时间段数
        public const int MAX_LICENSE_LEN = 16;//车牌号最大长度
        public const int MAX_PLATE_NUM = 3;//车牌个数
        public const int MAX_MASK_REGION_NUM = 4;//最多四个屏蔽区域
        public const int MAX_SEGMENT_NUM = 6;//摄像机标定最大样本线数目
        public const int MIN_SEGMENT_NUM = 3;//摄像机标定最小样本线数目   
        public const int MAX_CATEGORY_LEN = 8; //车牌附加信息最大字符
        /*********************************************************
		Function:	NET_DVR_GetDeviceAbility
		Desc:		
		Input:	
		Output:	
		Return:	TRUE表示成功，FALSE表示失败。
		**********************************************************/
        [DllImport(@"HCNetSDK\HCNetSDK.dll")]
        public static extern bool NET_DVR_GetDeviceAbility(int lUserID, uint dwAbilityType, IntPtr pInBuf, uint dwInLength, IntPtr pOutBuf, uint dwOutLength);

        //参数关键字
        public enum IVS_PARAM_KEY
        {
            OBJECT_DETECT_SENSITIVE = 1,//目标检测灵敏度
            BACKGROUND_UPDATE_RATE = 2,//背景更新速度
            SCENE_CHANGE_RATIO = 3,//场景变化检测最小值
            SUPPRESS_LAMP = 4,//是否抑制车头灯
            MIN_OBJECT_SIZE = 5,//能检测出的最小目标大小
            OBJECT_GENERATE_RATE = 6,//目标生成速度
            MISSING_OBJECT_HOLD = 7,//目标消失后继续跟踪时间
            MAX_MISSING_DISTANCE = 8,//目标消失后继续跟踪距离
            OBJECT_MERGE_SPEED = 9,//多个目标交错时，目标的融合速度
            REPEATED_MOTION_SUPPRESS = 10,//重复运动抑制
            ILLUMINATION_CHANGE = 11,//光影变化抑制开关
            TRACK_OUTPUT_MODE = 12,//轨迹输出模式：0-输出目标的中心，1-输出目标的底部中心
            ENTER_CHANGE_HOLD = 13,//检测区域变化阈值
            RESUME_DEFAULT_PARAM = 255,//恢复默认关键字参数
        }

        //设置/获取参数关键字
        [DllImport(@"HCNetSDK\HCNetSDK.dll")]
        public static extern bool NET_DVR_SetBehaviorParamKey(int lUserID, int lChannel, uint dwParameterKey, int nValue);

        [DllImport(@"HCNetSDK\HCNetSDK.dll")]
        public static extern bool NET_DVR_GetBehaviorParamKey(int lUserID, int lChannel, uint dwParameterKey, ref int pValue);

        //获取/设置行为分析目标叠加接口
        [DllImport(@"HCNetSDK\HCNetSDK.dll")]
        public static extern bool NET_DVR_GetVCADrawMode(int lUserID, int lChannel, ref NET_VCA_DRAW_MODE lpDrawMode);

        [DllImport(@"HCNetSDK\HCNetSDK.dll")]
        public static extern bool NET_DVR_SetVCADrawMode(int lUserID, int lChannel, ref NET_VCA_DRAW_MODE lpDrawMode);

        //标定参数配置结构
        [StructLayout(LayoutKind.Sequential)]
        public struct NET_DVR_LF_CALIBRATION_PARAM
        {
            public byte byPointNum;//有效标定点个数
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 3, ArraySubType = UnmanagedType.I1)]
            public byte[] byRes;
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = MAX_CALIB_PT, ArraySubType = UnmanagedType.Struct)]
            public NET_DVR_CB_POINT[] struCBPoint;//标定点组
        }

        //LF双摄像机配置结构
        [StructLayout(LayoutKind.Sequential)]
        public struct NET_DVR_LF_CFG
        {
            public uint dwSize;//结构长度	
            public byte byEnable;//标定使能
            public byte byFollowChan;// 被控制的从通道
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 2, ArraySubType = UnmanagedType.I1)]
            public byte[] byRes;
            public NET_DVR_LF_CALIBRATION_PARAM struCalParam;//标定点组
        }

        //L/F手动控制结构
        [StructLayout(LayoutKind.Sequential)]
        public struct NET_DVR_LF_MANUAL_CTRL_INFO
        {
            public NET_VCA_POINT struCtrlPoint;
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 8, ArraySubType = UnmanagedType.I1)]
            public byte[] byRes;
        }

        //L/F目标跟踪结构
        [StructLayout(LayoutKind.Sequential)]
        public struct NET_DVR_LF_TRACK_TARGET_INFO
        {
            public uint dwTargetID;
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 8, ArraySubType = UnmanagedType.I1)]
            public byte[] byRes;
        }

        [StructLayout(LayoutKind.Sequential)]
        public struct NET_DVR_LF_TRACK_MODE
        {
            public uint dwSize;//结构长度
            public byte byTrackMode;//跟踪模式
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 3, ArraySubType = UnmanagedType.I1)]
            public byte[] byRes;//保留，置0
            [StructLayout(LayoutKind.Explicit)]
            public struct uModeParam
            {
                [MarshalAs(UnmanagedType.ByValArray, SizeConst = 4, ArraySubType = UnmanagedType.U4)]
                [FieldOffset(0)]
                public uint[] dwULen;
                /*[FieldOffsetAttribute(0)]
                public NET_DVR_LF_MANUAL_CTRL_INFO struManualCtrl;//手动跟踪结构
                [FieldOffsetAttribute(0)]
                public NET_DVR_LF_TRACK_TARGET_INFO struTargetTrack;//目标跟踪结构
                 * */
            }
        }

        //双摄像机跟踪模式设置接口
        [DllImport(@"HCNetSDK\HCNetSDK.dll")]
        public static extern bool NET_DVR_SetLFTrackMode(int lUserID, int lChannel, ref NET_DVR_LF_TRACK_MODE lpTrackMode);

        [DllImport(@"HCNetSDK\HCNetSDK.dll")]
        public static extern bool NET_DVR_GetLFTrackMode(int lUserID, int lChannel, ref NET_DVR_LF_TRACK_MODE lpTrackMode);

        //识别场景
        public enum VCA_RECOGNIZE_SCENE
        {
            VCA_LOW_SPEED_SCENE = 0,//低速通过场景（收费站、小区门口、停车场）
            VCA_HIGH_SPEED_SCENE = 1,//高速通过场景（卡口、高速公路、移动稽查)
            VCA_MOBILE_CAMERA_SCENE = 2,//移动摄像机应用） 
        }

        //识别结果标志
        public enum VCA_RECOGNIZE_RESULT
        {
            VCA_RECOGNIZE_FAILURE = 0,//识别失败
            VCA_IMAGE_RECOGNIZE_SUCCESS,//图像识别成功
            VCA_VIDEO_RECOGNIZE_SUCCESS_OF_BEST_LICENSE,//视频识别更优结果
            VCA_VIDEO_RECOGNIZE_SUCCESS_OF_NEW_LICENSE,//视频识别到新的车牌
            VCA_VIDEO_RECOGNIZE_FINISH_OF_CUR_LICENSE,//视频识别车牌结束
        }



        //视频识别触发类型
        public enum VCA_TRIGGER_TYPE
        {
            INTER_TRIGGER = 0,// 模块内部触发识别
            EXTER_TRIGGER = 1,// 外部物理信号触发：线圈、雷达、手动触发信号；
        }

        public const int MAX_CHINESE_CHAR_NUM = 64;    // 最大汉字类别数量
        //车牌可动态修改参数
        [StructLayout(LayoutKind.Sequential)]
        public struct NET_VCA_PLATE_PARAM
        {
            public NET_VCA_RECT struSearchRect;//搜索区域(归一化)
            public NET_VCA_RECT struInvalidateRect;//无效区域，在搜索区域内部 (归一化)
            public ushort wMinPlateWidth;//车牌最小宽度
            public ushort wTriggerDuration;//触发持续帧数
            public byte byTriggerType;//触发模式, VCA_TRIGGER_TYPE
            public byte bySensitivity;//灵敏度
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 2, ArraySubType = UnmanagedType.I1)]
            public byte[] byRes;//保留，置0
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 64, ArraySubType = UnmanagedType.I1)]
            public byte[] byCharPriority;// 汉字优先级
        }

        /*wMinPlateWidth:该参数默认配置为80像素；该参数的配置对于车牌海康威视车牌识别说明文档 
	    识别有影响，如果设置过大，那么如果场景中出现小车牌就会漏识别；如果场景中车牌宽度普遍较大，可以把该参数设置稍大，便于减少对虚假车牌的处理。在标清情况下建议设置为80， 在高清情况下建议设置为120
        wTriggerDuration － 外部触发信号持续帧数量，其含义是从触发信号开始识别的帧数量。该值在低速场景建议设置为50～100；高速场景建议设置为15～25；移动识别时如果也有外部触发，设置为15～25；具体可以根据现场情况进行配置
        */
        //车牌识别参数子结构
        [StructLayout(LayoutKind.Sequential)]
        public struct NET_VCA_PLATEINFO
        {
            public VCA_RECOGNIZE_SCENE eRecogniseScene;//识别场景(低速和高速)
            public NET_VCA_PLATE_PARAM struModifyParam;//车牌可动态修改参数
        }

        //车牌识别配置参数
        [StructLayout(LayoutKind.Sequential)]
        public struct NET_VCA_PLATECFG
        {
            public uint dwSize;
            public byte byPicProType;//报警时图片处理方式 0-不处理 1-上传
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 2, ArraySubType = UnmanagedType.I1)]
            public byte[] byRes;//保留，设置为0
            public NET_DVR_JPEGPARA struPictureParam;//图片规格结构
            public NET_VCA_PLATEINFO struPlateInfo;//车牌信息
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = MAX_DAYS * MAX_TIMESEGMENT_2, ArraySubType = UnmanagedType.Struct)]
            public NET_DVR_SCHEDTIME[] struAlarmTime;//布防时间
            public NET_DVR_HANDLEEXCEPTION_V30 struHandleType;//处理方式
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = MAX_CHANNUM_V30, ArraySubType = UnmanagedType.I1)]
            public byte[] byRelRecordChan;//报警触发的录象通道,为1表示触发该通道
        }

        //车牌识别结果子结构
        [StructLayout(LayoutKind.Sequential, CharSet = CharSet.Ansi)]
        public struct NET_VCA_PLATE_INFO
        {
            public VCA_RECOGNIZE_RESULT eResultFlag;//识别结果标志 
            public VCA_PLATE_TYPE ePlateType;//车牌类型
            public VCA_PLATE_COLOR ePlateColor;//车牌颜色
            public NET_VCA_RECT struPlateRect;//车牌位置
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 4, ArraySubType = UnmanagedType.U4)]
            public uint[] dwRes;//保留，设置为0 
            public uint dwLicenseLen;//车牌长度
            [MarshalAs(UnmanagedType.ByValTStr, SizeConst = MAX_LICENSE_LEN)]
            public string sLicense;//车牌号码 
            [MarshalAs(UnmanagedType.ByValTStr, SizeConst = MAX_LICENSE_LEN)]
            public string sBelieve;//各个识别字符的置信度，如检测到车牌"浙A12345", 置信度为10,20,30,40,50,60,70，则表示"浙"字正确的可能性只有10%，"A"字的正确的可能性是20%
        }

        //车牌检测结果
        [StructLayout(LayoutKind.Sequential)]
        public struct NET_VCA_PLATE_RESULT
        {
            public uint dwSize;//结构长度
            public uint dwRelativeTime;//相对时标
            public uint dwAbsTime;//绝对时标
            public byte byPlateNum;//车牌个数
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 3, ArraySubType = UnmanagedType.I1)]
            public byte[] byRes1;
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = MAX_PLATE_NUM, ArraySubType = UnmanagedType.Struct)]
            public NET_VCA_PLATE_INFO[] struPlateInfo;//车牌信息结构
            public uint dwPicDataLen;//返回图片的长度 为0表示没有图片，大于0表示该结构后面紧跟图片数据
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 4, ArraySubType = UnmanagedType.U4)]
            public uint[] dwRes2;//保留，设置为0 图片的高宽
            public System.IntPtr pImage;//指向图片的指针
        }

        //重启智能库
        [DllImport(@"HCNetSDK\HCNetSDK.dll")]
        public static extern bool NET_VCA_RestartLib(int lUserID, int lChannel);

        [StructLayout(LayoutKind.Sequential)]
        public struct NET_VCA_LINE_SEGMENT
        {
            public NET_VCA_POINT struStartPoint;//表示高度线时，表示头部点
            public NET_VCA_POINT struEndPoint;//表示高度线时，表示脚部点
            public float fValue;//高度值，单位米
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 4, ArraySubType = UnmanagedType.I1)]
            public byte[] byRes;
        }

        //标定线链表
        [StructLayout(LayoutKind.Sequential)]
        public struct NET_VCA_LINE_SEG_LIST
        {
            public uint dwSize;//结构长度
            public byte bySegNum;//标定线条数
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 3, ArraySubType = System.Runtime.InteropServices.UnmanagedType.I1)]
            public byte[] byRes;//保留，置0
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = MAX_SEGMENT_NUM, ArraySubType = UnmanagedType.Struct)]
            public NET_VCA_LINE_SEGMENT[] struSeg;
        }

        [DllImport(@"HCNetSDK\HCNetSDK.dll")]
        public static extern bool NET_DVR_GetRealHeight(int lUserID, int lChannel, ref NET_VCA_LINE lpLine, ref Single lpHeight);

        [DllImport(@"HCNetSDK\HCNetSDK.dll")]
        public static extern bool NET_DVR_GetRealLength(int lUserID, int lChannel, ref NET_VCA_LINE lpLine, ref Single lpLength);

        [DllImport(@"HCNetSDK\HCNetSDK.dll")]
        public static extern bool NET_DVR_SaveRealData_V30(int lRealHandle, uint dwTransType, string sFileName);

        [DllImport(@"HCNetSDK\HCNetSDK.dll")]
        public static extern bool NET_DVR_EncodeG711Frame(uint iType, ref byte pInBuffer, ref byte pOutBuffer);

        [DllImport(@"HCNetSDK\HCNetSDK.dll")]
        public static extern bool NET_DVR_DecodeG711Frame(uint iType, ref byte pInBuffer, ref byte pOutBuffer);

        //2009-7-22 end  

        //邮件服务测试 9000_1.1
        [DllImport(@"HCNetSDK\HCNetSDK.dll")]
        public static extern bool NET_DVR_EmailTest(int lUserID);

        [DllImport(@"HCNetSDK\HCNetSDK.dll")]
        public static extern int NET_DVR_FindFileByEvent(int lUserID, ref NET_DVR_SEARCH_EVENT_PARAM lpSearchEventParam);

        //2009-8-18 抓拍机
        public const int PLATE_INFO_LEN = 1024;
        public const int PLATE_NUM_LEN = 16;
        public const int FILE_NAME_LEN = 256;

        //liscense plate result
        [StructLayout(LayoutKind.Sequential)]
        public struct NET_DVR_PLATE_RET
        {
            public uint dwSize;//结构长度
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = PLATE_NUM_LEN, ArraySubType = UnmanagedType.I1)]
            public byte[] byPlateNum;//车牌号
            public byte byVehicleType;// 车类型
            public byte byTrafficLight;//0-绿灯；1-红灯
            public byte byPlateColor;//车牌颜色
            public byte byDriveChan;//触发车道号
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 32, ArraySubType = UnmanagedType.I1)]
            public byte[] byTimeInfo;/*时间信息*///plate_172.6.113.64_20090724155526948_197170484 
            //目前是17位，精确到ms:20090724155526948
            public byte byCarSpeed;/*单位km/h*/
            public byte byCarSpeedH;/*cm/s高8位*/
            public byte byCarSpeedL;/*cm/s低8位*/
            public byte byRes;
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = PLATE_INFO_LEN - 36, ArraySubType = UnmanagedType.I1)]
            public byte[] byInfo;
            public uint dwPicLen;
        }
        /*注：后面紧跟 dwPicLen 长度的 图片 信息*/

        [DllImport(@"HCNetSDK\HCNetSDK.dll")]
        public static extern bool NET_DVR_INVOKE_PLATE_RECOGNIZE(int lUserID, int lChannel, string pPicFileName, ref NET_DVR_PLATE_RET pPlateRet, string pPicBuf, uint dwPicBufLen);

        [StructLayout(LayoutKind.Sequential)]
        public struct NET_DVR_CCD_CFG
        {
            public uint dwSize;//结构长度
            public byte byBlc;/*背光补偿0-off; 1-on*/
            public byte byBlcMode;/*blc类型0-自定义1-上；2-下；3-左；4-右；5-中；注：此项在blc为 on 时才起效*/
            public byte byAwb;/*自动白平衡0-自动1; 1-自动2; 2-自动控制*/
            public byte byAgc;/*自动增益0-关; 1-低; 2-中; 3-高*/
            public byte byDayNight;/*日夜转换；0 彩色；1黑白；2自动*/
            public byte byMirror;/*镜像0-关;1-左右;2-上下;3-中心*/
            public byte byShutter;/*快门0-自动; 1-1/25; 2-1/50; 3-1/100; 4-1/250;5-1/500; 6-1/1k ;7-1/2k; 8-1/4k; 9-1/10k; 10-1/100k;*/
            public byte byIrCutTime;/*IRCUT切换时间，5, 10, 15, 20, 25*/
            public byte byLensType;/*镜头类型0-电子光圈; 1-自动光圈*/
            public byte byEnVideoTrig;/*视频触发使能：1-支持；0-不支持。视频触发模式下视频快门速度按照byShutter速度，抓拍图片的快门速度按照byCapShutter速度，抓拍完成后会自动调节回视频模式*/
            public byte byCapShutter;/*抓拍时的快门速度，1-1/25; 2-1/50; 3-1/100; 4-1/250;5-1/500; 6-1/1k ;7-1/2k; 8-1/4k; 9-1/10k; 10-1/100k; 11-1/150; 12-1/200*/
            public byte byEnRecognise;/*1-支持识别；0-不支持识别*/
        }

        [DllImport(@"HCNetSDK\HCNetSDK.dll")]
        public static extern bool NET_DVR_GetCCDCfg(int lUserID, int lChannel, ref NET_DVR_CCD_CFG lpCCDCfg);

        [DllImport(@"HCNetSDK\HCNetSDK.dll")]
        public static extern bool NET_DVR_SetCCDCfg(int lUserID, int lChannel, ref NET_DVR_CCD_CFG lpCCDCfg);

        [StructLayout(LayoutKind.Sequential)]
        public struct tagCAMERAPARAMCFG
        {
            public uint dwSize;
            public uint dwPowerLineFrequencyMode;/*0-50HZ; 1-60HZ*/
            public uint dwWhiteBalanceMode;/*0手动白平衡; 1自动白平衡1（范围小）; 2 自动白平衡2（范围宽，2200K-15000K）;3自动控制3*/
            public uint dwWhiteBalanceModeRGain;/*手动白平衡时有效，手动白平衡 R增益*/
            public uint dwWhiteBalanceModeBGain;/*手动白平衡时有效，手动白平衡 B增益*/
            public uint dwExposureMode;/*0 手动曝光 1自动曝光*/
            public uint dwExposureSet;/* 0-USERSET, 1-自动x2，2-自动4，3-自动81/25, 4-1/50, 5-1/100, 6-1/250, 7-1/500, 8-1/750, 9-1/1000, 10-1/2000, 11-1/4000,12-1/10,000; 13-1/100,000*/
            public uint dwExposureUserSet;/* 自动自定义曝光时间*/
            public uint dwExposureTarget;/*手动曝光时间 范围（Manumal有效，微秒）*/
            public uint dwIrisMode;/*0 自动光圈 1手动光圈*/
            public uint dwGainLevel;/*增益：0-100*/
            public uint dwBrightnessLevel;/*0-100*/
            public uint dwContrastLevel;/*0-100*/
            public uint dwSharpnessLevel;/*0-100*/
            public uint dwSaturationLevel;/*0-100*/
            public uint dwHueLevel;/*0-100，（保留）*/
            public uint dwGammaCorrectionEnabled;/*0 dsibale  1 enable*/
            public uint dwGammaCorrectionLevel;/*0-100*/
            public uint dwWDREnabled;/*宽动态：0 dsibale  1 enable*/
            public uint dwWDRLevel1;/*0-F*/
            public uint dwWDRLevel2;/*0-F*/
            public uint dwWDRContrastLevel;/*0-100*/
            public uint dwDayNightFilterType;/*日夜切换：0 day,1 night,2 auto */
            public uint dwSwitchScheduleEnabled;/*0 dsibale  1 enable,(保留)*/
            //模式1(保留)
            public uint dwBeginTime;	/*0-100*/
            public uint dwEndTime;/*0-100*/
            //模式2
            public uint dwDayToNightFilterLevel;//0-7
            public uint dwNightToDayFilterLevel;//0-7
            public uint dwDayNightFilterTime;//(60秒)
            public uint dwBacklightMode;/*背光补偿:0 USERSET 1 UP、2 DOWN、3 LEFT、4 RIGHT、5MIDDLE*/
            public uint dwPositionX1;//（X坐标1）
            public uint dwPositionY1;//（Y坐标1）
            public uint dwPositionX2;//（X坐标2）
            public uint dwPositionY2;//（Y坐标2）
            public uint dwBacklightLevel;/*0x0-0xF*/
            public uint dwDigitalNoiseRemoveEnable; /*数字去噪：0 dsibale  1 enable*/
            public uint dwDigitalNoiseRemoveLevel;/*0x0-0xF*/
            public uint dwMirror; /* 镜像：0 Left;1 Right,;2 Up;3Down */
            public uint dwDigitalZoom;/*数字缩放:0 dsibale  1 enable*/
            public uint dwDeadPixelDetect;/*坏点检测,0 dsibale  1 enable*/
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 20, ArraySubType = UnmanagedType.U4)]
            public uint[] dwRes;
        }

        public const int NET_DVR_GET_CCDPARAMCFG = 1067;       //IPC获取CCD参数配置
        public const int NET_DVR_SET_CCDPARAMCFG = 1068;      //IPC设置CCD参数配置

        //图像增强仪
        //图像增强去燥区域配置
        [StructLayout(LayoutKind.Sequential)]
        public struct tagIMAGEREGION
        {
            public uint dwSize;//总的结构长度
            public ushort wImageRegionTopLeftX;/* 图像增强去燥的左上x坐标 */
            public ushort wImageRegionTopLeftY;/* 图像增强去燥的左上y坐标 */
            public ushort wImageRegionWidth;/* 图像增强去燥区域的宽 */
            public ushort wImageRegionHeight;/*图像增强去燥区域的高*/
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 16, ArraySubType = UnmanagedType.I1)]
            public byte[] byRes;
        }

        //图像增强、去噪级别及稳定性使能配置
        [StructLayout(LayoutKind.Sequential)]
        public struct tagIMAGESUBPARAM
        {
            public NET_DVR_SCHEDTIME struImageStatusTime;//图像状态时间段
            public byte byImageEnhancementLevel;//图像增强的级别，0-7，0表示关闭
            public byte byImageDenoiseLevel;//图像去噪的级别，0-7，0表示关闭
            public byte byImageStableEnable;//图像稳定性使能，0表示关闭，1表示打开
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 9, ArraySubType = UnmanagedType.I1)]
            public byte[] byRes;
        }

        public const int NET_DVR_GET_IMAGEREGION = 1062;       //图像增强仪图像增强去燥区域获取
        public const int NET_DVR_SET_IMAGEREGION = 1063;       //图像增强仪图像增强去燥区域获取
        public const int NET_DVR_GET_IMAGEPARAM = 1064;       // 图像增强仪图像参数(去噪、增强级别，稳定性使能)获取
        public const int NET_DVR_SET_IMAGEPARAM = 1065;       // 图像增强仪图像参数(去噪、增强级别，稳定性使能)设置

        [StructLayout(LayoutKind.Sequential)]
        public struct tagIMAGEPARAM
        {
            public uint dwSize;
            //图像增强时间段参数配置，周日开始	
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = MAX_DAYS * MAX_TIMESEGMENT, ArraySubType = UnmanagedType.Struct)]
            public tagIMAGESUBPARAM[] struImageParamSched;
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 16, ArraySubType = UnmanagedType.I1)]
            public byte[] byRes;
        }

        [DllImport(@"HCNetSDK\HCNetSDK.dll")]
        public static extern bool NET_DVR_GetParamSetMode(int lUserID, ref uint dwParamSetMode);

        /*********************************************************
        Function:	NET_DVR_Login_V30
        Desc:		
        Input:	sDVRIP [in] 设备IP地址 
                wServerPort [in] 设备端口号 
                sUserName [in] 登录的用户名 
                sPassword [in] 用户密码 
        Output:	lpDeviceInfo [out] 设备信息 
        Return:	-1表示失败，其他值表示返回的用户ID值
        **********************************************************/
        [DllImport(@"HCNetSDK\HCNetSDK.dll")]
        public static extern Int32 NET_DVR_Login_V30(string sDVRIP, Int32 wDVRPort, string sUserName, string sPassword, ref NET_DVR_DEVICEINFO_V30 lpDeviceInfo);

        /*********************************************************
          Return: 接口返回-1表示登录失败，其他值表示返回的用户ID值
         ***********************************************************/
        [DllImport(@"HCNetSDK\HCNetSDK.dll")]
        public static extern Int32 NET_DVR_Login_V40(NET_DVR_USER_LOGIN_INFO pLoginInfo, NET_DVR_DEVICEINFO_V40 lpDeviceInfo);
        /*********************************************************
        Function:	NET_DVR_Logout_V30
        Desc:		用户注册设备。
        Input:	lUserID [in] 用户ID号
        Output:	
        Return:	TRUE表示成功，FALSE表示失败
        **********************************************************/
        [DllImport(@"HCNetSDK\HCNetSDK.dll")]
        public static extern bool NET_DVR_Logout_V30(Int32 lUserID);











        #region  取流模块相关结构与接口

        [StructLayout(LayoutKind.Sequential)]
        public struct PLAY_INFO
        {
            public int iUserID;      //注册用户ID
            [MarshalAs(UnmanagedType.ByValTStr, SizeConst = 20)]
            public string strDeviceIP;
            public int iDevicePort;
            [MarshalAs(UnmanagedType.ByValTStr, SizeConst = 32)]
            public string strDevAdmin;
            [MarshalAs(UnmanagedType.ByValTStr, SizeConst = 16)]
            public string strDevPsd;
            public int iChannel;      //播放通道号(从0开始)
            public int iLinkMode;   //最高位(31)为0表示主码流，为1表示子码流，0－30位表示码流连接方式: 0：TCP方式,1：UDP方式,2：多播方式,3 - RTP方式，4-音视频分开(TCP)
            public bool bUseMedia;     //是否启用流媒体
            [MarshalAs(UnmanagedType.ByValTStr, SizeConst = 20)]
            public string strMediaIP; //流媒体IP地址
            public int iMediaPort;   //流媒体端口号
        }


        [DllImport("GetStream.dll")]
        public static extern bool CLIENT_SDK_Init();

        [DllImport("GetStream.dll")]
        public static extern bool CLIENT_SDK_UnInit();


        [DllImport("GetStream.dll")]
        public static extern int CLIENT_SDK_GetStream(PLAY_INFO lpPlayInfo); //

        [DllImport("GetStream.dll")]
        public static extern bool CLIENT_SetRealDataCallBack(int iRealHandle, SETREALDATACALLBACK fRealDataCallBack, uint lUser); //

        [DllImport("GetStream.dll")]
        public static extern bool CLIENT_SDK_StopStream(int iRealHandle);

        [DllImport("GetStream.dll")]
        public static extern bool CLIENT_SDK_GetVideoEffect(int iRealHandle, ref int iBrightValue, ref int iContrastValue, ref int iSaturationValue, ref int iHueValue);

        [DllImport("GetStream.dll")]
        public static extern bool CLIENT_SDK_SetVideoEffect(int iRealHandle, int iBrightValue, int iContrastValue, int iSaturationValue, int iHueValue);

        [DllImport("GetStream.dll")]
        public static extern bool CLIENT_SDK_MakeKeyFrame(int iRealHandle);

        #endregion


        #region VOD点播放库

        public const int WM_NETERROR = 0x0400 + 102;          //网络异常消息
        public const int WM_STREAMEND = 0x0400 + 103;		  //文件播放结束

        public const int FILE_HEAD = 0;      //文件头
        public const int VIDEO_I_FRAME = 1;  //视频I帧
        public const int VIDEO_B_FRAME = 2;  //视频B帧
        public const int VIDEO_P_FRAME = 3;  //视频P帧
        public const int VIDEO_BP_FRAME = 4; //视频BP帧
        public const int VIDEO_BBP_FRAME = 5; //视频B帧B帧P帧
        public const int AUDIO_PACKET = 10;   //音频包

        [StructLayout(LayoutKind.Sequential)]
        public struct BLOCKTIME
        {
            public ushort wYear;
            public byte bMonth;
            public byte bDay;
            public byte bHour;
            public byte bMinute;
            public byte bSecond;
        }


        [StructLayout(LayoutKind.Sequential)]
        public struct VODSEARCHPARAM
        {
            public IntPtr sessionHandle;                                    //[in]VOD客户端句柄
            [MarshalAs(UnmanagedType.ByValTStr, SizeConst = 50)]
            public string dvrIP;                                            //	[in]DVR的网络地址
            public uint dvrPort;                                            //	[in]DVR的端口地址
            public uint channelNum;                                         //  [in]DVR的通道号
            public BLOCKTIME startTime;                                     //	[in]查询的开始时间
            public BLOCKTIME stopTime;                                      //	[in]查询的结束时间
            public bool bUseIPServer;                                       //  [in]是否使用IPServer 
            [MarshalAs(UnmanagedType.ByValTStr, SizeConst = 128)]
            public string SerialNumber;                                     //  [in]设备的序列号
        }

        [StructLayout(LayoutKind.Sequential)]
        public struct SECTIONLIST
        {
            public BLOCKTIME startTime;
            public BLOCKTIME stopTime;
            public byte byRecType;
            public IntPtr pNext;
        }

        [StructLayout(LayoutKind.Sequential)]
        public struct VODOPENPARAM
        {
            public IntPtr sessionHandle;                                    //[in]VOD客户端句柄
            [MarshalAs(UnmanagedType.ByValTStr, SizeConst = 50)]
            public string dvrIP;                                            //	[in]DVR的网络地址
            public uint dvrPort;                                            //	[in]DVR的端口地址
            public uint channelNum;                                         //  [in]DVR的通道号
            public BLOCKTIME startTime;                                     //	[in]查询的开始时间
            public BLOCKTIME stopTime;                                      //	[in]查询的结束时间
            public uint uiUser;
            public bool bUseIPServer;                                       //  [in]是否使用IPServer 
            [MarshalAs(UnmanagedType.ByValTStr, SizeConst = 128)]
            public string SerialNumber;                                     //  [in]设备的序列号

            public VodStreamFrameData streamFrameData;
        }


        [StructLayout(LayoutKind.Sequential)]
        public struct CONNPARAM
        {
            public uint uiUser;
            public ErrorCallback errorCB;
        }


        // 异常回调函数
        public delegate void ErrorCallback(System.IntPtr hSession, uint dwUser, int lErrorType);
        //帧数据回调函数
        public delegate void VodStreamFrameData(System.IntPtr hStream, uint dwUser, int lFrameType, System.IntPtr pBuffer, uint dwSize);

        //模块初始化
        [DllImport("PdCssVodClient.dll")]
        public static extern bool VODServerConnect(string strServerIp, uint uiServerPort, ref IntPtr hSession, ref CONNPARAM struConn, IntPtr hWnd);

        //模块销毁
        [DllImport("PdCssVodClient.dll")]
        public static extern bool VODServerDisconnect(IntPtr hSession);

        [DllImport("PdCssVodClient.dll")]
        public static extern bool VODStreamSearch(IntPtr pSearchParam, ref IntPtr pSecList);

        [DllImport("PdCssVodClient.dll")]
        public static extern bool VODDeleteSectionList(IntPtr pSecList);

        // 根据ID、时间段打开流获取流句柄
        [DllImport("PdCssVodClient.dll")]
        public static extern bool VODOpenStream(IntPtr pOpenParam, ref IntPtr phStream);

        [DllImport("PdCssVodClient.dll")]
        public static extern bool VODCloseStream(IntPtr hStream);

        //根据ID、时间段打开批量下载
        [DllImport("PdCssVodClient.dll")]
        public static extern bool VODOpenDownloadStream(ref VODOPENPARAM struVodParam, ref IntPtr phStream);

        [DllImport("PdCssVodClient.dll")]
        public static extern bool VODCloseDownloadStream(IntPtr hStream);

        // 开始流解析，发送数据帧
        [DllImport("PdCssVodClient.dll")]
        public static extern bool VODStartStreamData(IntPtr phStream);
        [DllImport("PdCssVodClient.dll")]
        public static extern bool VODPauseStreamData(IntPtr hStream, bool bPause);
        [DllImport("PdCssVodClient.dll")]
        public static extern bool VODStopStreamData(IntPtr hStream);

        // 根据时间定位
        [DllImport("PdCssVodClient.dll")]
        public static extern bool VODSeekStreamData(IntPtr hStream, IntPtr pStartTime);


        // 根据时间定位
        [DllImport("PdCssVodClient.dll")]
        public static extern bool VODSetStreamSpeed(IntPtr hStream, int iSpeed);

        // 根据时间定位
        [DllImport("PdCssVodClient.dll")]
        public static extern bool VODGetStreamCurrentTime(IntPtr hStream, ref BLOCKTIME pCurrentTime);

        #endregion


        #region 帧分析库


        [StructLayout(LayoutKind.Sequential)]
        public struct PACKET_INFO
        {
            public int nPacketType;     // packet type
            // 0:  file head
            // 1:  video I frame
            // 2:  video B frame
            // 3:  video P frame
            // 10: audio frame
            // 11: private frame only for PS


            //      [System.Runtime.InteropServices.MarshalAsAttribute(System.Runtime.InteropServices.UnmanagedType.LPStr)]
            public IntPtr pPacketBuffer;
            public uint dwPacketSize;
            public int nYear;
            public int nMonth;
            public int nDay;
            public int nHour;
            public int nMinute;
            public int nSecond;
            public uint dwTimeStamp;
        }



        /******************************************************************************
        * function：get a empty port number
        * parameters：
        * return： 0 - 499 : empty port number
        *          -1      : server is full  			
        * comment：
        ******************************************************************************/
        [DllImport("AnalyzeData.dll")]
        public static extern int AnalyzeDataGetSafeHandle();


        /******************************************************************************
        * function：open standard stream data for analyzing
        * parameters：lHandle - working port number
        *             pHeader - pointer to file header or info header
        * return：TRUE or FALSE
        * comment：
        ******************************************************************************/
        [DllImport("AnalyzeData.dll")]
        public static extern bool AnalyzeDataOpenStreamEx(int iHandle, byte[] pFileHead);


        /******************************************************************************
        * function：close analyzing
        * parameters：lHandle - working port number
        * return：
        * comment：
        ******************************************************************************/
        [DllImport("AnalyzeData.dll")]
        public static extern bool AnalyzeDataClose(int iHandle);


        /******************************************************************************
        * function：input stream data
        * parameters：lHandle		- working port number
        *			  pBuffer		- data pointer
        *			  dwBuffersize	- data size
        * return：TRUE or FALSE
        * comment：
        ******************************************************************************/
        [DllImport("AnalyzeData.dll")]
        public static extern bool AnalyzeDataInputData(int iHandle, IntPtr pBuffer, uint uiSize); //byte []


        /******************************************************************************
        * function：get analyzed packet
        * parameters：lHandle		- working port number
        *			  pPacketInfo	- returned structure
        * return：-1 : error
        *          0 : succeed
        *		   1 : failed
        *		   2 : file end (only in file mode)				
        * comment：
        ******************************************************************************/
        [DllImport("AnalyzeData.dll")]
        public static extern int AnalyzeDataGetPacket(int iHandle, ref PACKET_INFO pPacketInfo);  //要把pPacketInfo转换成PACKET_INFO结构


        /******************************************************************************
        * function：get remain data from input buffer
        * parameters：lHandle		- working port number
        *			  pBuf	        - pointer to the mem which stored remain data
        *             dwSize        - size of remain data  
        * return： TRUE or FALSE				
        * comment：
        ******************************************************************************/
        [DllImport("AnalyzeData.dll")]
        public static extern bool AnalyzeDataGetTail(int iHandle, ref IntPtr pBuffer, ref uint uiSize);


        [DllImport("AnalyzeData.dll")]
        public static extern uint AnalyzeDataGetLastError(int iHandle);

        #endregion


        #region 录像库

        public const int DATASTREAM_HEAD = 0;		//数据头
        public const int DATASTREAM_BITBLOCK = 1;		//字节数据
        public const int DATASTREAM_KEYFRAME = 2;		//关键帧数据
        public const int DATASTREAM_NORMALFRAME = 3;		//非关键帧数据


        public const int MESSAGEVALUE_DISKFULL = 0x01;
        public const int MESSAGEVALUE_SWITCHDISK = 0x02;
        public const int MESSAGEVALUE_CREATEFILE = 0x03;
        public const int MESSAGEVALUE_DELETEFILE = 0x04;
        public const int MESSAGEVALUE_SWITCHFILE = 0x05;




        [StructLayout(LayoutKind.Sequential)]
        public struct STOREINFO
        {
            public int iMaxChannels;
            public int iDiskGroup;
            public int iStreamType;
            public bool bAnalyze;
            public bool bCycWrite;
            public uint uiFileSize;

            public CALLBACKFUN_MESSAGE funCallback;
        }

        [StructLayout(LayoutKind.Sequential)]
        public struct CREATEFILE_INFO
        {
            public int iHandle;

            [MarshalAs(UnmanagedType.ByValTStr, SizeConst = 128)]
            public string strCameraid;

            [MarshalAs(UnmanagedType.ByValTStr, SizeConst = 128)]
            public string strFileName;

            public BLOCKTIME tFileCreateTime;
        }

        [StructLayout(LayoutKind.Sequential)]
        public struct CLOSEFILE_INFO
        {
            public int iHandle;

            [MarshalAs(UnmanagedType.ByValTStr, SizeConst = 128)]
            public string strCameraid;

            [MarshalAs(UnmanagedType.ByValTStr, SizeConst = 128)]
            public string strFileName;

            public BLOCKTIME tFileSwitchTime;
        }



        public delegate int CALLBACKFUN_MESSAGE(int iMessageType, System.IntPtr pBuf, int iBufLen);


        [DllImport("RecordDLL.dll")]
        public static extern int Initialize(STOREINFO struStoreInfo);

        [DllImport("RecordDLL.dll")]
        public static extern int Release();

        [DllImport("RecordDLL.dll")]
        public static extern int OpenChannelRecord(string strCameraid, IntPtr pHead, uint dwHeadLength);

        [DllImport("RecordDLL.dll")]
        public static extern bool CloseChannelRecord(int iRecordHandle);

        [DllImport("RecordDLL.dll")]
        public static extern int GetData(int iHandle, int iDataType, IntPtr pBuf, uint uiSize);

        #endregion

        //设备区域设置
        public const int REGIONTYPE = 0;//代表区域
        public const int MATRIXTYPE = 11;//矩阵节点
        public const int DEVICETYPE = 2;//代表设备
        public const int CHANNELTYPE = 3;//代表通道
        public const int USERTYPE = 5;//代表用户

        [StructLayout(LayoutKind.Sequential)]
        public struct NET_DVR_LOG_MATRIX
        {
            public NET_DVR_TIME strLogTime;
            public uint dwMajorType;
            public uint dwMinorType;
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = MAX_NAMELEN, ArraySubType = UnmanagedType.I1)]
            public byte[] sPanelUser;
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = MAX_NAMELEN, ArraySubType = UnmanagedType.I1)]
            public byte[] sNetUser;
            public NET_DVR_IPADDR struRemoteHostAddr;
            public uint dwParaType;
            public uint dwChannel;
            public uint dwDiskNumber;
            public uint dwAlarmInPort;
            public uint dwAlarmOutPort;
            public uint dwInfoLen;
            public byte byDevSequence;//槽位号
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = MACADDR_LEN, ArraySubType = UnmanagedType.I1)]
            public byte[] byMacAddr;//MAC地址
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = SERIALNO_LEN, ArraySubType = UnmanagedType.I1)]
            public byte[] sSerialNumber;//序列号
            [MarshalAs(UnmanagedType.ByValTStr, SizeConst = LOG_INFO_LEN - SERIALNO_LEN - MACADDR_LEN - 1)]
            public string sInfo;
        }

        //视频综合平台软件
        [StructLayout(LayoutKind.Sequential)]
        public struct tagVEDIOPLATLOG
        {
            public byte bySearchCondition;//搜索条件，0-按槽位号搜索，1-按序列号搜索 2-按MAC地址进行搜索
            public byte byDevSequence;//槽位号，0-79：对应子系统的槽位号；
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = SERIALNO_LEN, ArraySubType = UnmanagedType.I1)]
            public byte[] sSerialNumber;//序列号
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = MACADDR_LEN, ArraySubType = UnmanagedType.I1)]
            public byte[] byMacAddr;//MAC地址
        }

        [DllImport(@"HCNetSDK\HCNetSDK.dll")]
        public static extern int NET_DVR_FindNextLog_MATRIX(int iLogHandle, ref NET_DVR_LOG_MATRIX lpLogData);


        [DllImport(@"HCNetSDK\HCNetSDK.dll")]
        public static extern int NET_DVR_FindDVRLog_Matrix(int iUserID, int lSelectMode, uint dwMajorType, uint dwMinorType, ref tagVEDIOPLATLOG lpVedioPlatLog, ref NET_DVR_TIME lpStartTime, ref NET_DVR_TIME lpStopTime);
    }
}