C# 海康DVR客户端开发系列（2）—— 封装API (3)

public   static   extern   bool  NET_DVR_GetDVRIPByResolveSvr_EX( string  sServerIP,  ushort  wServerPort,  string  sDVRName,  ushort  wDVRNameLen,  string  sDVRSerialNumber,  ushort  wDVRSerialLen, StringBuilder sGetIP,  ref   uint  dwPort);
         ///   <summary>
         ///      NET_DVR_API BOOL __stdcall NET_DVR_PTZControlWithSpeed_EX(LONG lRealHandle, DWORD dwPTZCommand, DWORD dwStop, DWORD dwSpeed);
         ///   </summary>
         ///   <param name="lRealHandle"></param>
         ///   <param name="dwPTZCommand"></param>
         ///   <param name="dwStop"></param>
         ///   <param name="dwSpeed"></param>
         ///   <returns></returns>
        [DllImport( " HCNetSDK.dll " )]
         public   static   extern   bool  NET_DVR_PTZControlWithSpeed_EX( int  lRealHandle,  uint  dwPTZCommand,  uint  dwStop,  uint  dwSpeed);
         ///   <summary>
         ///      NET_DVR_API BOOL __stdcall NET_DVR_PTZMltTrack(LONG lRealHandle,DWORD dwPTZTrackCmd, DWORD dwTrackIndex);
         ///   </summary>
         ///   <param name="lRealHandle"></param>
         ///   <param name="dwPTZTrackCmd"></param>
         ///   <param name="dwTrackIndex"></param>
         ///   <returns></returns>
        [DllImport( " HCNetSDK.dll " )]
         public   static   extern   bool  NET_DVR_PTZMltTrack( int  lRealHandle,  uint  dwPTZTrackCmd,  uint  dwTrackIndex);
         ///   <summary>
         ///      NET_DVR_API BOOL __stdcall NET_DVR_PTZMltTrack_Other(LONG lUserID,LONG lChannel,DWORD dwPTZTrackCmd, DWORD dwTrackIndex);
         ///   </summary>
         ///   <param name="lUserID"></param>
         ///   <param name="lChannel"></param>
         ///   <param name="dwPTZTrackCmd"></param>
         ///   <param name="dwTrackIndex"></param>
         ///   <returns></returns>
        [DllImport( " HCNetSDK.dll " )]
         public   static   extern   bool  NET_DVR_PTZMltTrack_Other( int  lUserID,  int  lChannel,  uint  dwPTZTrackCmd,  uint  dwTrackIndex);
         ///   <summary>
         ///      NET_DVR_API BOOL __stdcall NET_DVR_PTZMltTrack_EX(LONG lRealHandle,DWORD dwPTZTrackCmd, DWORD dwTrackIndex);
         ///   </summary>
         ///   <param name="lRealHandle"></param>
         ///   <param name="dwPTZTrackCmd"></param>
         ///   <param name="dwTrackIndex"></param>
         ///   <returns></returns>
        [DllImport( " HCNetSDK.dll " )]
         public   static   extern   bool  NET_DVR_PTZMltTrack_EX( int  lRealHandle,  uint  dwPTZTrackCmd,  uint  dwTrackIndex);
         ///   <summary>
         ///  NET_DVR_API LONG __stdcall NET_DVR_FindNextFile_Card(LONG lFindHandle, LPNET_DVR_FINDDATA_CARD lpFindData);
         ///   </summary>
         ///   <param name="lFindHandle"></param>
         ///   <param name="lpFindData"></param>
         ///   <returns></returns>
        [DllImport( " HCNetSDK.dll " )]
         public   static   extern   int  NET_DVR_FindNextFile_Card( int  lFindHandle, NET_DVR_FINDDATA_CARD lpFindData);
         ///   <summary>
         ///  NET_DVR_API LONG __stdcall NET_DVR_FindFile_Card(LONG lUserID, LONG lChannel, DWORD dwFileType, LPNET_DVR_TIME lpStartTime, LPNET_DVR_TIME lpStopTime);
         ///   </summary>
         ///   <param name="lUserID"></param>
         ///   <param name="lChannel"></param>
         ///   <param name="dwFileType"></param>
         ///   <param name="lpStartTime"></param>
         ///   <param name="lpStopTime"></param>
         ///   <returns></returns>
        [DllImport( " HCNetSDK.dll " )]
         public   static   extern   int  NET_DVR_FindFile_Card( int  lUserID,  int  lChannel,  uint  dwFileType, NET_DVR_TIME lpStartTime, NET_DVR_TIME lpStopTime);
         ///   <summary>
         ///  NET_DVR_API int    __stdcall NET_DVR_GetPlayBackPos(LONG lPlayHandle);
         ///   </summary>
         ///   <param name="lPlayHandle"></param>
         ///   <returns></returns>
        [DllImport( " HCNetSDK.dll " )]
         public   static   extern   int  NET_DVR_GetPlayBackPos( int  lPlayHandle);
         // 解码设备DS-6001D/DS-6001F
         ///   <summary>
         ///  NET_DVR_API BOOL __stdcall NET_DVR_StartDecode(LONG lUserID, LONG lChannel, LPNET_DVR_DECODERINFO lpDecoderinfo);
         ///   </summary>
         ///   <param name="lUserID"></param>
         ///   <param name="lChannel"></param>
         ///   <param name="lpDecoderinfo"></param>
         ///   <returns></returns>
        [DllImport( " HCNetSDK.dll " )]
         public   static   extern   bool  NET_DVR_StartDecode( int  lUserID,  int  lChannel, NET_DVR_DECODERINFO lpDecoderinfo);
         ///   <summary>
         ///  NET_DVR_API BOOL __stdcall NET_DVR_StopDecode(LONG lUserID, LONG lChannel);
         ///   </summary>
         ///   <param name="lUserID"></param>
         ///   <param name="lChannel"></param>
         ///   <returns></returns>
        [DllImport( " HCNetSDK.dll " )]
         public   static   extern   bool  NET_DVR_StopDecode( int  lUserID,  int  lChannel);
         ///   <summary>
         ///  NET_DVR_API BOOL __stdcall NET_DVR_GetDecoderState(LONG lUserID, LONG lChannel, LPNET_DVR_DECODERSTATE lpDecoderState);
         ///   </summary>
         ///   <param name="lUserID"></param>
         ///   <param name="lChannel"></param>
         ///   <param name="lpDecoderState"></param>
         ///   <returns></returns>
        [DllImport( " HCNetSDK.dll " )]
         public   static   extern   bool  NET_DVR_GetDecoderState( int  lUserID,  int  lChannel, NET_DVR_DECODERSTATE lpDecoderState);
         ///   <summary>
         ///  保存参数
         ///      NET_DVR_API BOOL __stdcall NET_DVR_SaveConfig(LONG lUserID);
         ///   </summary>
         ///   <param name="lUserID"></param>
         ///   <returns></returns>
        [DllImport( " HCNetSDK.dll " )]
         public   static   extern   bool  NET_DVR_SaveConfig( int  lUserID);
         ///   <summary>
         ///      NET_DVR_API BOOL __stdcall NET_DVR_SetVideoEffect(LONG lUserID, LONG lChannel, DWORD dwBrightValue, DWORD dwContrastValue, DWORD dwSaturationValue, DWORD dwHueValue);
         ///   </summary>
         ///   <param name="lUserID"></param>
         ///   <param name="lChannel"></param>
         ///   <param name="dwBrightValue"></param>
         ///   <param name="dwContrastValue"></param>
         ///   <param name="dwSaturationValue"></param>
         ///   <param name="dwHueValue"></param>
         ///   <returns></returns>
        [DllImport( " HCNetSDK.dll " )]
         public   static   extern   bool  NET_DVR_SetVideoEffect( int  lUserID,  int  lChannel,  uint  dwBrightValue,  uint  dwContrastValue,  uint  dwSaturationValue,  uint  dwHueValue);
         ///   <summary>
         ///      NET_DVR_API BOOL __stdcall NET_DVR_GetVideoEffect(LONG lUserID, LONG lChannel, DWORD *pBrightValue, DWORD *pContrastValue, DWORD *pSaturationValue, DWORD *pHueValue);
         ///   </summary>
         ///   <param name="lUserID"></param>
         ///   <param name="lChannel"></param>
         ///   <param name="pBrightValue"></param>
         ///   <param name="pContrastValue"></param>
         ///   <param name="pSaturationValue"></param>
         ///   <param name="pHueValue"></param>
         ///   <returns></returns>
        [DllImport( " HCNetSDK.dll " )]
         public   static   extern   bool  NET_DVR_GetVideoEffect( int  lUserID,  int  lChannel,  out   uint  pBrightValue,  out   uint  pContrastValue,  out   uint  pSaturationValue,  out   uint  pHueValue); 　　三、下章预告
　　　　实现最基本的连接服务器并预览图像的功能。


结束语

　　首先我必须强调本章的翻译是一个体力活！本章可能会再随后的文章不断的更新，主要是数据类型对应可能有问题，这里也是凭经验来进行对应了，也欢迎有朋友尽早的向我提交勘误，我好及时的更新文章。

本文转自over140 51CTO博客，原文链接：http://blog.51cto.com/over140/586622，如需转载请自行联系原作者