HCNetSDK.cs | searchcode

/IntVideoSurv.VideoSource/HCNetSDK.cs

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/// ? ??????

/// ? ??over140@gmail.com

/// ? ??http://over140.cnblogs.com/

/// ? ??2009-10-4 �� 2009-10-22

/// ? ???????API??



using System;

using System.Collections.Generic;

using System.Text;

using System.Runtime.InteropServices;



namespace DigitMatrix.VideoProcess

{

          

    public delegate void RealDataCallBack_V30(int lRealHandle, uint dwDataType, byte[] pBuffer, uint dwBufSize, IntPtr pUser);

    /// <summary>

    /// 5.1.2   ?????????[??connect????????]

    ///     ??

    ///         ??????????????????????????????????????????????????????????????????????????NET_DVR_RealPlay?????

    ///         ???????????????????

    ///     NET_DVR_API LONG __stdcall NET_DVR_RealPlay_V30(LONG lUserID, LPNET_DVR_CLIENTINFO lpClientInfo, void(CALLBACK *fRealDataCallBack_V30) (LONG lRealHandle, DWORD dwDataType, BYTE *pBuffer, DWORD dwBufSize, void* pUser) = NULL, void* pUser = NULL, BOOL bBlocked = FALSE);

    /// </summary>

    /// <param name="lUserID">[in]NET_DVR_Login??NET_DVR_Login_V30????</param>

    /// <param name="lpClientInfo">[in]NET_DVR_CLIENTINFO?????</param>

    /// <param name="fRealDataCallBack_V30">[in]????????</param>

    /// <param name="pUser">[in]????</param>

    /// <param name="bBlocked">[in]???????????0???1??</param>

    /// <returns>-1??????????NET_DVR_StopRealPlay??????</returns>

    /// 

    #region 2.2      ????

    /// <summary>

    /// 2.2.1   ???????

    ///     NET_DVR_Login_V30()????

    ///     NET_DVR_DEVICEINFO_V30, *LPNET_DVR_DEVICEINFO_V30;

    /// </summary>

    public struct NET_DVR_DEVICEINFO_V30

    {

        /// <summary>

        /// ???

        ///     public byte sSerialNumber[SERIALNO_LEN];

        /// </summary>

        [MarshalAs(UnmanagedType.ByValArray, SizeConst = HCNetSDK.SERIALNO_LEN)]

        public byte[] sSerialNumber;

        /// <summary>

        /// ??????

        /// </summary>

        public byte byAlarmInPortNum;

        /// <summary>

        /// ??????

        /// </summary>

        public byte byAlarmOutPortNum;

        /// <summary>

        /// ????

        /// </summary>

        public byte byDiskNum;

        /// <summary>

        /// ????, 1:DVR 2:ATM DVR 3:DVS ......

        /// </summary>

        public byte byDVRType;

        /// <summary>

        /// ??????

        /// </summary>

        public byte byChanNum;

        /// <summary>

        /// ?????,??DVS-1,DVR - 1

        /// </summary>

        public byte byStartChan;

        /// <summary>

        /// ?????

        /// </summary>

        public byte byAudioChanNum;

        /// <summary>

        /// ????????

        /// </summary>

        public byte byIPChanNum;

        /// <summary>

        /// ??

        ///     public byte byRes1[24];

        /// </summary>

        [MarshalAs(UnmanagedType.ByValArray, SizeConst = 24)]

        public byte[] byRes1;

    }

    /// <summary>

    /// ???????

    ///     NET_DVR_Login()????

    ///     NET_DVR_DEVICEINFO, *LPNET_DVR_DEVICEINFO;

    /// </summary>

    public struct NET_DVR_DEVICEINFO

    {

        /// <summary>

        /// ???

        ///     public byte sSerialNumber[SERIALNO_LEN];

        /// </summary>

        [MarshalAs(UnmanagedType.ByValArray, SizeConst = HCNetSDK.SERIALNO_LEN)]

        public byte[] sSerialNumber;

        /// <summary>

        /// DVR??????

        /// </summary>

        public byte byAlarmInPortNum;

        /// <summary>

        /// DVR??????

        /// </summary>

        public byte byAlarmOutPortNum;

        /// <summary>

        /// DVR????

        /// </summary>

        public byte byDiskNum;

        /// <summary>

        /// DVR??, 1:DVR 2:ATM DVR 3:DVS ......

        /// </summary>

        public byte byDVRType;

        /// <summary>

        /// DVR ????

        /// </summary>

        public byte byChanNum;

        /// <summary>

        /// ?????,??DVS-1,DVR - 1

        /// </summary>

        public byte byStartChan;

    }

    #endregion

    #region 3.2        SDK??

    /// <summary>

    /// 3.2.1   SDK???????(9000??)

    ///     NET_DVR_SDKSTATE, *LPNET_DVR_SDKSTATE;

    /// </summary>

    public struct NET_DVR_SDKSTATE

    {

        /// <summary>

        /// ??login???

        /// </summary>

        public uint dwTotalLoginNum;

        /// <summary>

        /// ??realplay??

        /// </summary>

        public uint dwTotalRealPlayNum;

        /// <summary>

        /// ?????????

        /// </summary>

        public uint dwTotalPlayBackNum;

        /// <summary>

        /// ??????????

        /// </summary>

        public uint dwTotalAlarmChanNum;

        /// <summary>

        /// ?????????

        /// </summary>

        public uint dwTotalFormatNum;

        /// <summary>

        /// ???????????

        /// </summary>

        public uint dwTotalFileSearchNum;

        /// <summary>

        /// ???????????

        /// </summary>

        public uint dwTotalLogSearchNum;

        /// <summary>

        /// ????????

        /// </summary>

        public uint dwTotalSerialNum;

        /// <summary>

        /// ??????

        /// </summary>

        public uint dwTotalUpgradeNum;

        /// <summary>

        /// ????????

        /// </summary>

        public uint dwTotalVoiceComNum;

        /// <summary>

        /// ????????

        /// </summary>

        public uint dwTotalBroadCastNum;

        /// <summary>

        /// ??

        /// public uint dwRes[10];

        /// </summary>

        [MarshalAs(UnmanagedType.ByValArray, SizeConst = 10)]

        public uint[] dwRes;

    }

    /// <summary>

    /// 3.2.2   SDK?????????(9000??)

    ///     NET_DVR_SDKABL, *LPNET_DVR_SDKABL;

    /// </summary>

    public struct NET_DVR_SDKABL

    {

        /// <summary>

        /// ??login??? MAX_LOGIN_USERS

        /// </summary>

        public uint dwMaxLoginNum;

        /// <summary>

        /// ??realplay?? WATCH_NUM

        /// </summary>

        public uint dwMaxRealPlayNum;

        /// <summary>

        /// ????????? WATCH_NUM

        /// </summary>

        public uint dwMaxPlayBackNum;

        /// <summary>

        /// ?????????? ALARM_NUM

        /// </summary>

        public uint dwMaxAlarmChanNum;

        /// <summary>

        /// ????????? SERVER_NUM

        /// </summary>

        public uint dwMaxFormatNum;

        /// <summary>

        /// ???????? SERVER_NUM

        /// </summary>

        public uint dwMaxFileSearchNum;

        /// <summary>

        /// ???????? SERVER_NUM

        /// </summary>

        public uint dwMaxLogSearchNum;

        /// <summary>

        /// ???????? SERVER_NUM

        /// </summary>

        public uint dwMaxSerialNum;

        /// <summary>

        /// ?????? SERVER_NUM

        /// </summary>

        public uint dwMaxUpgradeNum;

        /// <summary>

        /// ???????? SERVER_NUM

        /// </summary>

        public uint dwMaxVoiceComNum;

        /// <summary>

        /// ???????? MAX_CASTNUM

        /// </summary>

        public uint dwMaxBroadCastNum;

        /// <summary>

        /// ??

        /// public uint dwRes[10];

        /// </summary>

        [MarshalAs(UnmanagedType.ByValArray, SizeConst = 10)]

        public uint[] dwRes;

    }

    #endregion

    #region 5.2    ????

    /// <summary>

    /// 5.2.1   ???????

    ///     ??

    ///         ???hPlayWnd?????NULL?????????????????????????

    ///     NET_DVR_CLIENTINFO, *LPNET_DVR_CLIENTINFO;

    /// </summary>

    public struct NET_DVR_CLIENTINFO

    {

        /// <summary>

        /// ???

        /// </summary>

        public int lChannel;

        /// <summary>

        /// ???(31)?0???????1????0?30?????????: 0?TCP??,1?UDP??,2?????,3 - RTP???4-?????(TCP)

        /// </summary>

        public int lLinkMode;

        /// <summary>

        /// ???????,?NULL???????

        ///     IntPtr hPlayWnd;

        /// </summary>

        public IntPtr hPlayWnd;

        /// <summary>

        /// ?????

        ///     char* sMultiCastIP;

        /// </summary>

        public string sMultiCastIP;

    }

    /// <summary>

    /// ????

    /// </summary>

    public enum SEND_MODE

    {

        /// <summary>

        /// TCP ??

        /// </summary>

        PTOPTCPMODE = 0,

        /// <summary>

        /// UDP ??

        /// </summary>

        PTOPUDPMODE,

        /// <summary>

        /// ????

        /// </summary>

        MULTIMODE,

        /// <summary>

        /// RTP??

        /// </summary>

        RTPMODE,

        /// <summary>

        /// ??

        /// </summary>

        RESERVEDMODE

    }

    #endregion

    /// <summary>

    /// NET_DVR_API????????

    ///    DS-90xx????????

    ///    DS-91xx?DS-81xx?DS-80xx?DS-70xx?DS-71xx?DS-7116?DS-72xx?????

    ///    DS-60xx?DS-61xx???????/???

    ///    IP?????IP???IP????????�IPC�??IP???

    /// </summary>

    public sealed class HCNetSDK

    {

        #region ???

        /// <summary>

        /// DVR?????

        /// </summary>

        public const int MAX_NAMELEN = 16;

        /// <summary>

        /// ????????1-12???????13-32???????

        /// </summary>

        public const int MAX_RIGHT = 32;

        /// <summary>

        /// ?????

        /// </summary>

        public const int NAME_LEN = 32;

        /// <summary>

        /// /????

        /// </summary>

        public const int PASSWD_LEN = 16;

        /// <summary>

        /// ?????

        /// </summary>

        public const int SERIALNO_LEN = 48;

        /// <summary>

        /// mac????

        /// </summary>

        public const int MACADDR_LEN = 6;

        /// <summary>

        /// ????????

        /// </summary>

        public const int MAX_ETHERNET = 2;

        /// <summary>

        /// ????

        /// </summary>

        public const int PATHNAME_LEN = 128;



        /// <summary>

        /// 9000????????

        /// </summary>

        public const int MAX_TIMESEGMENT_V30 = 8;

        /// <summary>

        /// 8000????????

        /// </summary>

        public const int MAX_TIMESEGMENT = 4;



        /// <summary>

        /// 8000?????????

        /// </summary>

        public const int MAX_SHELTERNUM = 4;

        /// <summary>

        /// ????

        /// </summary>

        public const int MAX_DAYS = 7;

        /// <summary>

        /// pppoe????????

        /// </summary>

        public const int PHONENUMBER_LEN = 32;



        /// <summary>

        /// 9000???????/* ??33???(??16???SATA???1?eSATA???16?NFS?) */

        /// </summary>

        public const int MAX_DISKNUM_V30 = 33;

        /// <summary>

        /// 8000???????

        /// </summary>

        public const int MAX_DISKNUM = 16;

        /// <summary>

        /// 1.2??????

        /// </summary>

        public const int MAX_DISKNUM_V10 = 8;



        /// <summary>

        /// 9000?????????????

        /// </summary>

        public const int MAX_WINDOW_V30 = 32;

        /// <summary>

        /// 8000???????

        /// </summary>

        public const int MAX_WINDOW = 16;

        /// <summary>

        /// 9000??????VGA?

        /// </summary>

        public const int MAX_VGA_V30 = 4;

        /// <summary>

        /// 8000??????VGA?

        /// </summary>

        public const int MAX_VGA = 1;



        /// <summary>

        /// 9000???????

        /// </summary>

        public const int MAX_USERNUM_V30 = 32;

        /// <summary>

        /// 8000???????

        /// </summary>

        public const int MAX_USERNUM = 16;

        /// <summary>

        /// 9000?????????

        /// </summary>

        public const int MAX_EXCEPTIONNUM_V30 = 32;

        /// <summary>

        /// 8000?????????

        /// </summary>

        public const int MAX_EXCEPTIONNUM = 16;

        /// <summary>

        /// 8000?????????????

        /// </summary>

        public const int MAX_LINK = 6;



        /// <summary>

        /// ???????????????????

        /// </summary>

        public const int MAX_DECPOOLNUM = 4;

        /// <summary>

        /// ????????????????????????????

        /// </summary>

        public const int MAX_DECNUM = 4;

        /// <summary>

        /// ???????????????

        /// </summary>

        public const int MAX_TRANSPARENTNUM = 2;

        /// <summary>

        /// ????????????

        /// </summary>

        public const int MAX_CYCLE_CHAN = 16;

        /// <summary>

        /// ??????

        /// </summary>

        public const int MAX_DIRNAME_LENGTH = 80;

        /// <summary>

        /// 9000????OSD?????

        /// </summary>

        public const int MAX_STRINGNUM_V30 = 8;

        /// <summary>

        /// 8000????OSD?????

        /// </summary>

        public const int MAX_STRINGNUM = 4;

        /// <summary>

        /// 8000????

        /// </summary>

        public const int MAX_STRINGNUM_EX = 8;

        /// <summary>

        /// 9000?????????

        /// </summary>

        public const int MAX_AUXOUT_V30 = 16;

        /// <summary>

        /// 8000?????????

        /// </summary>

        public const int MAX_AUXOUT = 4;

        /// <summary>

        /// 9000????????

        /// </summary>

        public const int MAX_HD_GROUP = 16;

        /// <summary>

        /// 8000????NFS???

        /// </summary>

        public const int MAX_NFS_DISK = 8;



        /// <summary>

        /// WIFI?SSID???

        /// </summary>

        public const int IW_ESSID_MAX_SIZE = 32;

        /// <summary>

        /// WIFI???????

        /// </summary>

        public const int IW_ENCODING_TOKEN_MAX = 32;

        /// <summary>

        /// ???????????

        /// </summary>

        public const int MAX_SERIAL_NUM = 64;

        /// <summary>

        /// 9000??????ddns?

        /// </summary>

        public const int MAX_DDNS_NUMS = 10;

        /// <summary>

        /// /* ?????? */

        /// </summary>

        public const int MAX_DOMAIN_NAME = 64;

        /// <summary>

        /// ??email????

        /// </summary>

        public const int MAX_EMAIL_ADDR_LEN = 48;

        /// <summary>

        /// ??email????

        /// </summary>

        public const int MAX_EMAIL_PWD_LEN = 32;



        /// <summary>

        /// ?????????

        /// </summary>

        public const int MAXPROGRESS = 100;

        /// <summary>

        /// 8000???????? 1-232? 2-485

        /// </summary>

        public const int MAX_SERIALNUM = 2;

        /// <summary>

        /// ????

        /// </summary>

        public const int CARDNUM_LEN = 20;

        /// <summary>

        /// 9000????????

        /// </summary>

        public const int MAX_VIDEOOUT_V30 = 4;

        /// <summary>

        /// 8000????????

        /// </summary>

        public const int MAX_VIDEOOUT = 2;

        #region ????

        /// <summary>

        /// 9000???????????

        /// </summary>

        public const int MAX_PRESET_V30 = 256;

        /// <summary>

        /// 9000??????????

        /// </summary>

        public const int MAX_TRACK_V30 = 256;

        /// <summary>

        /// 9000??????????

        /// </summary>

        public const int MAX_CRUISE_V30 = 256;

        /// <summary>

        /// 8000???????????

        /// </summary>

        public const int MAX_PRESET = 128;

        /// <summary>

        /// 8000??????????

        /// </summary>

        public const int MAX_TRACK = 128;

        /// <summary>

        /// 8000??????????

        /// </summary>

        public const int MAX_CRUISE = 128;



        /// <summary>

        /// ??????????

        /// </summary>

        public const int CRUISE_MAX_PRESET_NUMS = 32;



        /// <summary>

        /// 9000????232???

        /// </summary>

        public const int MAX_SERIAL_PORT = 8;

        /// <summary>

        /// ???????????? 1??,4??,9??,16??....

        /// </summary>

        public const int MAX_PREVIEW_MODE = 8;

        /// <summary>

        /// ??????????

        /// </summary>

        public const int MAX_MATRIXOUT = 16;

        /// <summary>

        /// ??????

        /// </summary>

        public const int LOG_INFO_LEN = 11840;

        /// <summary>

        /// ?????????

        /// </summary>

        public const int DESC_LEN = 16;

        /// <summary>

        /// 9000??????????

        /// </summary>

        public const int PTZ_PROTOCOL_NUM = 200;



        /// <summary>

        /// 8000???????

        /// </summary>

        public const int MAX_AUDIO = 1;

        /// <summary>

        /// 9000???????

        /// </summary>

        public const int MAX_AUDIO_V30 = 2;

        /// <summary>

        /// 8000???????

        /// </summary>

        public const int MAX_CHANNUM = 16;

        /// <summary>

        /// 8000?????????

        /// </summary>

        public const int MAX_ALARMIN = 16;

        /// <summary>

        /// 8000?????????

        /// </summary>

        public const int MAX_ALARMOUT = 4;

        #endregion

        #region 9000 IPC??

        /// <summary>

        /// ??32?????

        /// </summary>

        public const int MAX_ANALOG_CHANNUM = 32;

        /// <summary>

        /// ??32??????? 

        /// </summary>

        public const int MAX_ANALOG_ALARMOUT = 32;

        /// <summary>

        /// ??32???????

        /// </summary>

        public const int MAX_ANALOG_ALARMIN = 32;

        /// <summary>

        /// ???????IP???

        /// </summary>

        public const int MAX_IP_DEVICE = 32;

        /// <summary>

        /// ???????IP???

        /// </summary>

        public const int MAX_IP_CHANNEL = 32;

        /// <summary>

        /// ????????????

        /// </summary>

        public const int MAX_IP_ALARMIN = 128;

        /// <summary>

        /// ????????????

        /// </summary>

        public const int MAX_IP_ALARMOUT = 64;



        /* ???????? ????????IP?? */

        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

        #endregion





        #endregion







        #region 1.     ???

        #region 1.1   ???

        /// <summary>

        /// 1.1.1      ???SDK

        /// </summary>

        /// <returns>TRUE?????FALSE????</returns>

        [DllImport("HCNetSDK.dll")]

        public static extern bool NET_DVR_Init();

        /// <summary>

        /// 1.1.2     ??SDK??

        /// </summary>

        /// <returns>TRUE?????FALSE????</returns>

        [DllImport("HCNetSDK.dll")]

        public static extern bool NET_DVR_Cleanup();

        #region 1.1.3 NET_DVR_IsSupport

        /*************************************************

        NET_DVR_IsSupport()???

        1?9?????????????TRUE)?????

        **************************************************/

        /// <summary>

        /// ??DIRECTDRAW????????????????

        /// </summary>

        public const int NET_DVR_SUPPORT_DDRAW = 0x01;//

        /// <summary>

        /// ????BLT??????????????????

        /// </summary>

        public const int NET_DVR_SUPPORT_BLT = 0x02;//

        /// <summary>

        /// ??BLT???????????????????????RGB???

        /// </summary>

        public const int NET_DVR_SUPPORT_BLTFOURCC = 0x04;//

        /// <summary>

        /// ??BLT??X?????????????????????

        /// </summary>

        public const int NET_DVR_SUPPORT_BLTSHRINKX = 0x08;//

        /// <summary>

        /// ??BLT??Y?????????????????????

        /// </summary>

        public const int NET_DVR_SUPPORT_BLTSHRINKY = 0x10;//

        /// <summary>

        /// ??BLT??X?????????????????????

        /// </summary>

        public const int NET_DVR_SUPPORT_BLTSTRETCHX = 0x20;//

        /// <summary>

        /// ??BLT??Y?????????????????????

        /// </summary>

        public const int NET_DVR_SUPPORT_BLTSTRETCHY = 0x40;//

        /// <summary>

        /// CPU??SSE???Intel Pentium3????SSE???

        /// </summary>

        public const int NET_DVR_SUPPORT_SSE = 0x80;//

        /// <summary>

        /// CPU??MMX????Intel Pentium3????SSE???

        /// </summary>

        public const int NET_DVR_SUPPORT_MMX = 0x100;//

        /// <summary>

        /// 1.1.3    ????????PC????????(?????)

        ///     NET_DVR_API int __stdcall NET_DVR_IsSupport();

        /// </summary>

        /// <returns>

        /// 1?9?????????????TRUE??????

        /// #define  NET_DVR_SUPPORT_DDRAW          0x01    ??DIRECTDRAW???????????????

        /// #define  NET_DVR_SUPPORT_BLT            0x02    ????BLT?????????????????

        /// #define  NET_DVR_SUPPORT_BLTFOURCC      0x04    ??BLT???????????????????????RGB??

        /// #define  NET_DVR_SUPPORT_BLTSHRINKX     0x08    ??BLT??X????????????????????

        /// #define  NET_DVR_SUPPORT_BLTSHRINKY     0x10    ??BLT??Y????????????????????

        /// #define  NET_DVR_SUPPORT_BLTSTRETCHX    0x20    ??BLT??X????????????????????

        /// #define  NET_DVR_SUPPORT_BLTSTRETCHY    0x40    ??BLT??Y????????????????????

        /// #define  NET_DVR_SUPPORT_SSE            0x80    CPU??SSE???Intel Pentium3????SSE??

        /// #define  NET_DVR_SUPPORT_MMX            0x100   CPU??MMX????Intel Pentium3????SSE??

        /// </returns>

        [DllImport("HCNetSDK.dll")]

        public static extern int NET_DVR_IsSupport();

        #endregion

        /// <summary>

        /// 1.1.4   ???????????????

        ///     NET_DVR_API BOOL __stdcall NET_DVR_SetConnectTime(DWORD dwWaitTime = 5000, DWORD dwTryTimes = 3);

        /// </summary>

        /// <param name="dwWaitTime">[in]?????????? ??????>300?<60*1000?</param>

        /// <param name="dwTryTimes">[in]????????????</param>

        /// <returns></returns>

        [DllImport("HCNetSDK.dll")]

        public static extern bool NET_DVR_SetConnectTime(uint dwWaitTime, uint dwTryTimes);

        /// <summary>

        /// 1.1.5   ??IPServer??????IP??

        ///     ??

        ///         ?????????????????

        ///         IPServer???????????????????

        ///     NET_DVR_API BOOL __stdcall NET_DVR_GetDVRIPByResolveSvr(char *sServerIP, WORD wServerPort, BYTE *sDVRName,WORD wDVRNameLen,BYTE *sDVRSerialNumber,WORD wDVRSerialLen,char* sGetIP);

        /// </summary>

        /// <param name="sServerIP">[in]??????IP??</param>

        /// <param name="wServerPort">[in]?????????????????????IPServer?????7071</param>

        /// <param name="sDVRName">[in]????????NULL</param>

        /// <param name="wDVRNameLen">[in]???????</param>

        /// <param name="sDVRSerialNumber">[in]??????????NULL</param>

        /// <param name="wDVRSerialLen">[in]????????</param>

        /// <param name="sGetIP">[out]??????IP?????</param>

        /// <returns></returns>

        [DllImport("HCNetSDK.dll")]

        public static extern bool NET_DVR_GetDVRIPByResolveSvr(string sServerIP, ushort wServerPort, string sDVRName, ushort wDVRNameLen, string sDVRSerialNumber, ushort wDVRSerialLen, StringBuilder sGetIP);

        #endregion

        #region 1.2   ??????

        #region 1.2.1   ???????

        /// <summary>

        /// ???????

        /// </summary>

        public const int EXCEPTION_EXCHANGE = 0x8000;

        /// <summary>

        /// ??????

        /// </summary>

        public const int EXCEPTION_AUDIOEXCHANGE = 0x8001;

        /// <summary>

        /// ????

        /// </summary>

        public const int EXCEPTION_ALARM = 0x8002;

        /// <summary>

        /// ??????

        /// </summary>

        public const int EXCEPTION_PREVIEW = 0x8003;

        /// <summary>

        /// ??????

        /// </summary>

        public const int EXCEPTION_SERIAL = 0x8004;

        /// <summary>

        /// ?????

        /// </summary>

        public const int EXCEPTION_RECONNECT = 0x8005;

        /// <summary>

        /// ?????

        /// </summary>

        public const int EXCEPTION_ALARMRECONNECT = 0x8006;

        /// <summary>

        /// ??????

        /// </summary>

        public const int EXCEPTION_SERIALRECONNECT = 0x8007;

        /// <summary>

        /// ????

        /// </summary>

        public const int EXCEPTION_PLAYBACK = 0x8010;

        /// <summary>

        /// ?????

        /// </summary>

        public const int EXCEPTION_DISKFMT = 0x8011;

        #endregion

        /// <summary>

        /// ????????

        ///     void (CALLBACK* fExceptionCallBack)(uint dwType, int lUserID, int lHandle, void *pUser)

        /// </summary>

        /// <param name="dwType">???????????</param>

        /// <param name="lUserID">??ID</param>

        /// <param name="lHandle">????????????</param>

        /// <param name="pUser">???????</param>

        public delegate void ExceptionCallBack(uint dwType, int lUserID, int lHandle, int pUser);

        /// <summary>

        /// 1.2.2   ??????????????????????

        ///     NET_DVR_API BOOL __stdcall NET_DVR_SetExceptionCallBack_V30(UINT nMessage, HWND hWnd, void (CALLBACK* fExceptionCallBack)(DWORD dwType, LONG lUserID, LONG lHandle, void *pUser), void *pUser);

        /// </summary>

        /// <param name="nMessage">[in]???????WM_USER + 1</param>

        /// <param name="hWnd">[in]?????????</param>

        /// <param name="fExceptionCallBack">[in]????????</param>

        /// <param name="pUser">[in]????</param>

        /// <returns></returns>

        [DllImport("HCNetSDK.dll")]

        public static extern bool NET_DVR_SetExceptionCallBack_V30(uint nMessage, IntPtr hWnd, ExceptionCallBack fExceptionCallBack, IntPtr pUser);

        /// <summary>

        /// 1.2.3   ???????????????

        ///    NET_DVR_API BOOL __stdcall NET_DVR_SetDVRMessage(UINT nMessage,HWND hWnd);

        /// </summary>

        /// <param name="nMessage">[in]??</param>

        /// <param name="hWnd">[in]?????????????</param>

        /// <returns></returns>

        [DllImport("HCNetSDK.dll")]

        public static extern bool NET_DVR_SetDVRMessage(uint nMessage, IntPtr hWnd);



        #endregion

        #endregion





        #region 2.     ????

        #region 2.1    ????

        #region 2.1.1       ????

        /// <summary>

        /// 2.1.1   ????(????)

        ///     NET_DVR_API LONG __stdcall NET_DVR_Login_V30(char *sDVRIP, WORD wDVRPort, char *sUserName, char *sPassword, LPNET_DVR_DEVICEINFO_V30 lpDeviceInfo);

        /// </summary>

        /// <param name="sDVRIP">[in]???IP??</param>

        /// <param name="wDVRPort">[in]??????</param>

        /// <param name="sUserName">[in]??????</param>

        /// <param name="sPassword">[in]????</param>

        /// <param name="lpDeviceInfo">[out]??NET_DVR_DEVICEINFO_V30??</param>

        /// <returns>?????ID?</returns>

        [DllImport("HCNetSDK.dll")]

        public static extern int NET_DVR_Login_V30(string sDVRIP, ushort wDVRPort, string sUserName, string sPassword, out NET_DVR_DEVICEINFO_V30 lpDeviceInfo);

        /// <summary>

        /// ????(????)

        ///     NET_DVR_API LONG __stdcall NET_DVR_Login(char *sDVRIP,WORD wDVRPort,char *sUserName,char *sPassword,LPNET_DVR_DEVICEINFO lpDeviceInfo);

        /// </summary>

        /// <param name="sDVRIP">[in]???IP??</param>

        /// <param name="wDVRPort">[in]??????</param>

        /// <param name="sUserName">[in]??????</param>

        /// <param name="sPassword">[in]????</param>

        /// <param name="lpDeviceInfo">[out]??NET_DVR_DEVICEINFO??</param>

        /// <returns>-1???????????????ID???ID???SDK???????ID?????????</returns>

        [DllImport("HCNetSDK.dll")]

        public static extern int NET_DVR_Login(string sDVRIP, ushort wDVRPort, string sUserName, string sPassword, out NET_DVR_DEVICEINFO lpDeviceInfo);

        #endregion

        #region 2.1.2       ????

        /// <summary>

        /// 2.1.2   ????

        ///     ??

        ///         ????????????????????????ID??????????????????

        ///     ??

        ///         NET_DVR_Logout_V30?????????????????????????????

        ///         ? NET_DVR_Logout????????????????????

        ///     NET_DVR_API BOOL __stdcall NET_DVR_Logout_V30(LONG lUserID);

        /// </summary>

        /// <param name="lUserID">[in] NET_DVR_Login??NET_DVR_Login_V30????</param>

        /// <returns></returns>

        [DllImport("HCNetSDK.dll")]

        public static extern bool NET_DVR_Logout_V30(int lUserID);

        /// <summary>

        /// ????

        ///     NET_DVR_API BOOL __stdcall NET_DVR_Logout(LONG lUserID);

        /// </summary>

        /// <param name="lUserID">[in]??ID???NET_DVR_Login??NET_DVR_Login_V30???ID?</param>

        /// <returns></returns>

        [DllImport("HCNetSDK.dll")]

        public static extern bool NET_DVR_Logout(int lUserID);

        #endregion

        #endregion

        #endregion

        #region 3.     SDK??

        #region 3.1         SDK??

        /// <summary>

        /// 3.1.1   ??SDK???

        ///     NET_DVR_API DWORD __stdcall NET_DVR_GetSDKVersion();

        /// </summary>

        /// <returns>2??????????2????????????0x00020001????2.1</returns>

        [DllImport("HCNetSDK.dll")]

        public static extern uint NET_DVR_GetSDKVersion();

        /// <summary>

        /// 3.1.2   ??SDK build?

        ///     NET_DVR_API DWORD __stdcall NET_DVR_GetSDKBuildVersion();

        /// </summary>

        /// <returns></returns>

        [DllImport("HCNetSDK.dll")]

        public static extern uint NET_DVR_GetSDKBuildVersion();

        /// <summary>

        /// 3.1.3   ????SDK???

        ///     NET_DVR_API BOOL __stdcall NET_DVR_GetSDKState(LPNET_DVR_SDKSTATE pSDKState);

        /// </summary>

        /// <param name="pSDKState">[out]??NET_DVR_SDKSTATE????</param>

        /// <returns></returns>

        [DllImport("HCNetSDK.dll")]

        public static extern bool NET_DVR_GetSDKState(out NET_DVR_SDKSTATE pSDKState);

        /// <summary>

        /// 3.1.4   ??SDK?????

        ///     NET_DVR_API BOOL __stdcall NET_DVR_GetSDKAbility(LPNET_DVR_SDKABL pSDKAbl);

        /// </summary>

        /// <param name="pSDKAbl">[out]??NET_DVR_SDKABL????</param>

        /// <returns></returns>

        [DllImport("HCNetSDK.dll")]

        public static extern bool NET_DVR_GetSDKAbility(out NET_DVR_SDKABL pSDKAbl);

        /// <summary>

        /// 3.1.5   SDK?????????????

        ///     NET_DVR_API BOOL __stdcall NET_DVR_SetLogToFile(BOOL bLogEnable = FALSE, char * strLogDir = NULL, BOOL bAutoDel = TRUE);

        ///     ??

        ///         ????????? ???????????????????

        ///         ???????????????"\\"??, ??"C:\\SdkLog\\"

        ///         ?????????????????????????

        ///         ????strLogDir?NULL????????"C:\\SdkLog\\"

        ///         ???????????????????????????????????????????????????????????????????

        ///         ????SDK??????10????????bAutoDel?TRUE????????????

        /// </summary>

        /// <param name="bLogEnable">[in]????</param>

        /// <param name="strLogDir">[in]???????</param>

        /// <param name="bAutoDel">[in]??????????</param>

        /// <returns></returns>

        [DllImport("HCNetSDK.dll")]

        public static extern bool NET_DVR_SetLogToFile(bool bLogEnable, string strLogDir, bool bAutoDel);

        #endregion

        #endregion

        #region 4.     ??????

        #region 4.1    ??????

        /// <summary>

        /// 4.1.1   ??????

        ///     ?????[4.2.1   ????????]

        /// </summary>

        /// <returns></returns>

        [DllImport("HCNetSDK.dll")]

        public static extern uint NET_DVR_GetLastError();

        /// <summary>

        /// 4.1.2   ???????

        ///     NET_DVR_API char* __stdcall NET_DVR_GetErrorMsg(LONG *pErrorNo = NULL);

        /// </summary>

        /// <param name="pErrorNo">[out]????????????????????????</param>

        /// <returns></returns>

        [DllImport("HCNetSDK.dll")]

        public static extern string NET_DVR_GetErrorMsg(out int pErrorNo);

        #endregion

        #region 4.2    ????

        #region 4.2.1   ????????

        public const int NET_DVR_FAIL = -1;

        /// <summary>

        /// ????

        /// </summary>

        public const int NET_DVR_NOERROR = 0;

        /// <summary>

        /// ???????

        /// </summary>

        public const int NET_DVR_PASSWORD_ERROR = 1;

        /// <summary>

        /// ????

        /// </summary>

        public const int NET_DVR_NOENOUGHPRI = 2;

        /// <summary>

        /// ?????

        /// </summary>

        public const int NET_DVR_NOINIT = 3;

        /// <summary>

        /// ?????

        /// </summary>

        public const int NET_DVR_CHANNEL_ERROR = 4;

        /// <summary>

        /// ???DVR??????????

        /// </summary>

        public const int NET_DVR_OVER_MAXLINK = 5;

        /// <summary>

        /// ?????

        /// </summary>

        public const int NET_DVR_VERSIONNOMATCH = 6;

        /// <summary>

        /// ???????

        /// </summary>

        public const int NET_DVR_NETWORK_FAIL_CONNECT = 7;

        /// <summary>

        /// ????????

        /// </summary>

        public const int NET_DVR_NETWORK_SEND_ERROR = 8;

        /// <summary>

        /// ??????????

        /// </summary>

        public const int NET_DVR_NETWORK_RECV_ERROR = 9;

        /// <summary>

        /// ??????????

        /// </summary>

        public const int NET_DVR_NETWORK_RECV_TIMEOUT = 10;

        /// <summary>

        /// ???????

        /// </summary>

        public const int NET_DVR_NETWORK_ERRORDATA = 11;

        /// <summary>

        /// ??????

        /// </summary>

        public const int NET_DVR_ORDER_ERROR = 12;

        /// <summary>

        /// ????

        /// </summary>

        public const int NET_DVR_OPERNOPERMIT = 13;

        /// <summary>

        /// DVR??????

        /// </summary>

        public const int NET_DVR_COMMANDTIMEOUT = 14;

        /// <summary>

        /// ?????

        /// </summary>

        public const int NET_DVR_ERRORSERIALPORT = 15;

        /// <summary>

        /// ??????

        /// </summary>

        public const int NET_DVR_ERRORALARMPORT = 16;

        /// <summary>

        /// ????

        /// </summary>

        public const int NET_DVR_PARAMETER_ERROR = 17;

        /// <summary>

        /// ???????????

        /// </summary>

        public const int NET_DVR_CHAN_EXCEPTION = 18;

        /// <summary>

        /// ????

        /// </summary>

        public const int NET_DVR_NODISK = 19;

        /// <summary>

        /// ?????

        /// </summary>

        public const int NET_DVR_ERRORDISKNUM = 20;

        /// <summary>

        /// ??????

        /// </summary>

        public const int NET_DVR_DISK_FULL = 21;

        /// <summary>

        /// ???????

        /// </summary>

        public const int NET_DVR_DISK_ERROR = 22;

        /// <summary>

        /// ??????

        /// </summary>

        public const int NET_DVR_NOSUPPORT = 23;

        /// <summary>

        /// ????

        /// </summary>

        public const int NET_DVR_BUSY = 24;

        /// <summary>

        /// ????????

        /// </summary>

        public const int NET_DVR_MODIFY_FAIL = 25;

        /// <summary>

        /// ?????????

        /// </summary>

        public const int NET_DVR_PASSWORD_FORMAT_ERROR = 26;

        /// <summary>

        /// ??????????????

        /// </summary>

        public const int NET_DVR_DISK_FORMATING = 27;

        /// <summary>

        /// DVR????

        /// </summary>

        public const int NET_DVR_DVRNORESOURCE = 28;

        /// <summary>

        /// DVR????

        /// </summary>

        public const int NET_DVR_DVROPRATEFAILED = 29;

        /// <summary>

        /// ??PC????

        /// </summary>

        public const int NET_DVR_OPENHOSTSOUND_FAIL = 30;

        /// <summary>

        /// ??????????

        /// </summary>

        public const int NET_DVR_DVRVOICEOPENED = 31;

        /// <summary>

        /// ???????

        /// </summary>

        public const int NET_DVR_TIMEINPUTERROR = 32;

        /// <summary>

        /// ?????????????

        /// </summary>

        public const int NET_DVR_NOSPECFILE = 33;

        /// <summary>

        /// ??????

        /// </summary>

        public const int NET_DVR_CREATEFILE_ERROR = 34;

        /// <summary>

        /// ??????

        /// </summary>

        public const int NET_DVR_FILEOPENFAIL = 35;

        /// <summary>

        /// ??????????

        /// </summary>

        public const int NET_DVR_OPERNOTFINISH = 36;

        /// <summary>

        /// ???????????

        /// </summary>

        public const int NET_DVR_GETPLAYTIMEFAIL = 37;

        /// <summary>

        /// ????

        /// </summary>

        public const int NET_DVR_PLAYFAIL = 38;

        /// <summary>

        /// ???????

        /// </summary>

        public const int NET_DVR_FILEFORMAT_ERROR = 39;

        /// <summary>

        /// ????

        /// </summary>

        public const int NET_DVR_DIR_ERROR = 40;

        /// <summary>

        /// ??????

        /// </summary>

        public const int NET_DVR_ALLOC_RESOURCE_ERROR = 41;

        /// <summary>

        /// ??????

        /// </summary>

        public const int NET_DVR_AUDIO_MODE_ERROR = 42;

        /// <summary>

        /// ?????

        /// </summary>

        public const int NET_DVR_NOENOUGH_BUF = 43;

        /// <summary>

        /// ??SOCKET??

        /// </summary>

        public const int NET_DVR_CREATESOCKET_ERROR = 44;

        /// <summary>

        /// ??SOCKET??

        /// </summary>

        public const int NET_DVR_SETSOCKET_ERROR = 45;

        /// <summary>

        /// ??????

        /// </summary>

        public const int NET_DVR_MAX_NUM = 46;

        /// <summary>

        /// ?????

        /// </summary>

        public const int NET_DVR_USERNOTEXIST = 47;

        /// <summary>

        /// ?FLASH??

        /// </summary>

        public const int NET_DVR_WRITEFLASHERROR = 48;

        /// <summary>

        /// DVR????

        /// </summary>

        public const int NET_DVR_UPGRADEFAIL = 49;

        /// <summary>

        /// ?????????

        /// </summary>

        public const int NET_DVR_CARDHAVEINIT = 50;

        /// <summary>

        /// ????????????

        /// </summary>

        public const int NET_DVR_PLAYERFAILED = 51;

        /// <summary>

        /// ??????????

        /// </summary>

        public const int NET_DVR_MAX_USERNUM = 52;

        /// <summary>

        /// ??????IP?????????

        /// </summary>

        public const int NET_DVR_GETLOCALIPANDMACFAIL = 53;

        /// <summary>

        /// ???????

        /// </summary>

        public const int NET_DVR_NOENCODEING = 54;

        /// <summary>

        /// IP?????

        /// </summary>

        public const int NET_DVR_IPMISMATCH = 55;

        /// <summary>

        /// MAC?????

        /// </summary>

        public const int NET_DVR_MACMISMATCH = 56;

        /// <summary>

        /// ?????????

        /// </summary>

        public const int NET_DVR_UPGRADELANGMISMATCH = 57;

        /// <summary>

        /// ?????????

        /// </summary>

        public const int NET_DVR_MAX_PLAYERPORT = 58;

        /// <summary>

        /// ???????????????

        /// </summary>

        public const int NET_DVR_NOSPACEBACKUP = 59;

        /// <summary>

        /// ???????????

        /// </summary>

        public const int NET_DVR_NODEVICEBACKUP = 60;

        /// <summary>

        /// ?????????24?

        /// </summary>

        public const int NET_DVR_PICTURE_BITS_ERROR = 61;

        /// <summary>

        /// ???*???? ?128*256

        /// </summary>

        public const int NET_DVR_PICTURE_DIMENSION_ERROR = 62;

        /// <summary>

        /// ????????100K

        /// </summary>

        public const int NET_DVR_PICTURE_SIZ_ERROR = 63;

        /// <summary>

        /// ???????Player Sdk??

        /// </summary>

        public const int NET_DVR_LOADPLAYERSDKFAILED = 64;

        /// <summary>

        /// ???Player Sdk???????

        /// </summary>

        public const int NET_DVR_LOADPLAYERSDKPROC_ERROR = 65;

        /// <summary>

        /// ???????DSsdk??

        /// </summary>

        public const int NET_DVR_LOADDSSDKFAILED = 66;

        /// <summary>

        /// ???DsSdk???????

        /// </summary>

        public const int NET_DVR_LOADDSSDKPROC_ERROR = 67;

        /// <summary>

        /// ??????DsSdk???????

        /// </summary>

        public const int NET_DVR_DSSDK_ERROR = 68;

        /// <summary>

        /// ?????

        /// </summary>

        public const int NET_DVR_VOICEMONOPOLIZE = 69;

        /// <summary>

        /// ???????

        /// </summary>

        public const int NET_DVR_JOINMULTICASTFAILED = 70;

        /// <summary>

        /// ??????????

        /// </summary>

        public const int NET_DVR_CREATEDIR_ERROR = 71;

        /// <summary>

        /// ???????

        /// </summary>

        public const int NET_DVR_BINDSOCKET_ERROR = 72;

        /// <summary>

        /// socket????????????????????????

        /// </summary>

        public const int NET_DVR_SOCKETCLOSE_ERROR = 73;

        /// <summary>

        /// ?????ID???????

        /// </summary>

        public const int NET_DVR_USERID_ISUSING = 74;

        /// <summary>

        /// ????

        /// </summary>

        public const int NET_DVR_SOCKETLISTEN_ERROR = 75;

        /// <summary>

        /// ????

        /// </summary>

        public const int NET_DVR_PROGRAM_EXCEPTION = 76;

        /// <summary>

        /// ?????

        /// </summary>

        public const int NET_DVR_WRITEFILE_FAILED = 77;

        /// <summary>

        /// ?????????

        /// </summary>

        public const int NET_DVR_FORMAT_READONLY = 78;

        /// <summary>

        /// ???????????????

        /// </summary>

        public const int NET_DVR_WITHSAMEUSERNAME = 79;

        /// <summary>

        /// ????????????

        /// </summary>

        public const int NET_DVR_DEVICETYPE_ERROR = 80;

        /// <summary>

        /// ??????????

        /// </summary>

        public const int NET_DVR_LANGUAGE_ERROR = 81;

        /// <summary>

        /// ????????????

        /// </summary>

        public const int NET_DVR_PARAVERSION_ERROR = 82;

        /// <summary>

        /// ?????IP?????

        /// </summary>

        public const int NET_DVR_IPCHAN_NOTALIVE = 83;

        /// <summary>

        /// ????IPC???StreamTransClient??

        /// </summary>

        public const int NET_DVR_RTSP_SDK_ERROR = 84;

        /// <summary>

        /// ?????CVT_StdToHik??

        /// </summary>

        public const int NET_DVR_CONVERT_SDK_ERROR = 85;

        /// <summary>

        /// ?????ip?????

        /// </summary>

        public const int NET_DVR_IPC_COUNT_OVERFLOW = 86;

        #endregion

        #region 4.2.1   ???????

        /// <summary>

        /// no error.

        /// </summary>

        public const int NET_PLAYM4_NOERROR = 500;

        /// <summary>

        /// input parameter is invalid.

        /// </summary>

        public const int NET_PLAYM4_PARA_OVER = 501;

        /// <summary>

        /// The order of the function to be called is error.

        /// </summary>

        public const int NET_PLAYM4_ORDER_ERROR = 502;

        /// <summary>

        /// Create multimedia clock failed.

        /// </summary>

        public const int NET_PLAYM4_TIMER_ERROR = 503;

        /// <summary>

        /// Decode video data failed.

        /// </summary>

        public const int NET_PLAYM4_DEC_VIDEO_ERROR = 504;

        /// <summary>

        /// Decode audio data failed.

        /// </summary>

        public const int NET_PLAYM4_DEC_AUDIO_ERROR = 505;

        /// <summary>

        /// Allocate memory failed.

        /// </summary>

        public const int NET_PLAYM4_ALLOC_MEMORY_ERROR = 506;

        /// <summary>

        /// Open the file failed.

        /// </summary>

        public const int NET_PLAYM4_OPEN_FILE_ERROR = 507;

        /// <summary>

        /// Create thread or event failed.

        /// </summary>

        public const int NET_PLAYM4_CREATE_OBJ_ERROR = 508;

        /// <summary>

        /// Create DirectDraw object failed.

        /// </summary>

        public const int NET_PLAYM4_CREATE_DDRAW_ERROR = 509;

        /// <summary>

        /// failed when creating off-screen surface.

        /// </summary>

        public const int NET_PLAYM4_CREATE_OFFSCREEN_ERROR = 510;

        /// <summary>

        /// buffer is overflow.

        /// </summary>

        public const int NET_PLAYM4_BUF_OVER = 511;

        /// <summary>

        /// failed when creating audio device.

        /// </summary>

        public const int NET_PLAYM4_CREATE_SOUND_ERROR = 512;

        /// <summary>

        /// Set volume failed.

        /// </summary>

        public const int NET_PLAYM4_SET_VOLUME_ERROR = 513;

        /// <summary>

        /// The function only support play file.

        /// </summary>

        public const int NET_PLAYM4_SUPPORT_FILE_ONLY = 514;

        /// <summary>

        /// The function only support play stream.

        /// </summary>

        public const int NET_PLAYM4_SUPPORT_STREAM_ONLY = 515;

        /// <summary>

        /// System not support.

        /// </summary>

        public const int NET_PLAYM4_SYS_NOT_SUPPORT = 516;

        /// <summary>

        /// No file header.

        /// </summary>

        public const int NET_PLAYM4_FILEHEADER_UNKNOWN = 517;

        /// <summary>

        /// The version of decoder and encoder is not adapted.

        /// </summary>

        public const int NET_PLAYM4_VERSION_INCORRECT = 518;

        /// <summary>

        /// Initialize decoder failed.

        /// </summary>

        public const int NET_PALYM4_INIT_DECODER_ERROR = 519;

        /// <summary>

        /// The file data is unknown.

        /// </summary>

        public const int NET_PLAYM4_CHECK_FILE_ERROR = 520;

        /// <summary>

        /// Initialize multimedia clock failed.

        /// </summary>

        public const int NET_PLAYM4_INIT_TIMER_ERROR = 521;

        /// <summary>

        /// Blt failed.

        /// </summary>

        public const int NET_PLAYM4_BLT_ERROR = 522;

        /// <summary>

        /// Update failed.

        /// </summary>

        public const int NET_PLAYM4_UPDATE_ERROR = 523;

        /// <summary>

        /// openfile error, streamtype is multi.

        /// </summary>

        public const int NET_PLAYM4_OPEN_FILE_ERROR_MULTI = 524;

        /// <summary>

        /// openfile error, streamtype is video.

        /// </summary>

        public const int NET_PLAYM4_OPEN_FILE_ERROR_VIDEO = 525;

        /// <summary>

        /// JPEG compress error

        /// </summary>

        public const int NET_PLAYM4_JPEG_COMPRESS_ERROR = 526;

        /// <summary>

        /// Don't support the version of this file.

        /// </summary>

        public const int NET_PLAYM4_EXTRACT_NOT_SUPPORT = 527;

        /// <summary>

        /// extract video data failed.

        /// </summary>

        public const int NET_PLAYM4_EXTRACT_DATA_ERROR = 528;

        #endregion

        #endregion

        #endregion

        #region 5.     ?????

        #region 5.1    ?????

        /// <summary>

        /// ????

        /// </summary>

        public enum DISPLAY_MODE : uint

        {

            /// <summary>

            /// ?????????????????????

            /// </summary>

            NORMALMODE = 0,

            /// <summary>

            /// ??????????????????????

            /// </summary>

            OVERLAYMODE

        }

        /// <summary>

        /// 5.1.1   ????????

        ///     ??

        ///         ??????????????????????????????????????????????????????????????????????????

        ///         ????????????colorKey???32???0x00rrggbb??????0??????????r?g?b???

        ///         ???????????????????????????????????OVERLAY?????OVERLAY???????????????OVERLAY???????BLT?????????????(?SIS????)??OVERLAY?????????CPU??????????(??????????????)????????????????????????????

        ///         ???????????????OVERLAY????????????????????????OVERLAY????????????OVERLAY???????????????????FALSE????????????????????????OVERLAY???????????SDK????OVERALY????????????????OVERLAY???

        ///     NET_DVR_API BOOL __stdcall NET_DVR_SetShowMode(DWORD dwShowType,COLORREF colorKey);

        /// </summary>

        /// <param name="dwShowType">[in]???????????????{NORMALMODE = 0,OVERLAYMODE}</param>

        /// <param name="colorKey">[in]??????????OVERLAY???????</param>

        /// <returns></returns>

        [DllImport("HCNetSDK.dll")]

        public static extern bool NET_DVR_SetShowMode(DISPLAY_MODE dwShowType, int colorKey);

        #region ???????

        /// <summary>

        /// ?????

        /// </summary>

        public const int NET_DVR_SYSHEAD = 1;

        /// <summary>

        /// ????????????????????????

        /// </summary>

        public const int NET_DVR_STREAMDATA = 2;

        /// <summary>

        /// ?????

        /// </summary>

        public const int NET_DVR_AUDIOSTREAMDATA = 3;

        /// <summary>

        /// void(CALLBACK *fRealDataCallBack_V30) (LONG lRealHandle, DWORD dwDataType, BYTE *pBuffer, DWORD dwBufSize, void* pUser)

        /// </summary>

        /// <param name="lRealHandle">NET_DVR_RealPlay_V30???</param>

        /// <param name="dwDat…