// 结束查找文件
private bool FindClose()
{
bool ret = HCNetSDK.NET_DVR_FindClose_V30(_find_handle);
_find_handle = -1;
return(ret);
}
//2012-04-05 add by [bhb] reason : 增加回放功能
// 查找录像文件
public bool FindFile(int channel, DateTime startTime, DateTime stopTime)
{
HCNetSDK.NET_DVR_FILECOND cond = new HCNetSDK.NET_DVR_FILECOND();
cond.dwFileType = 0xFF;
cond.lChannel = channel;
cond.dwIsLocked = 0xFF;
cond.dwUseCardNo = 0;
cond.sCardNumber = "";
cond.struStartTime = DateTimeToDvrTime(startTime);
cond.struStopTime = DateTimeToDvrTime(stopTime);
int findHandle = HCNetSDK.NET_DVR_FindFile_V30(_user_id, ref cond);
if (findHandle < 0)
{
return(false); // msg = GetErrorMessage();
}
_find_files.Clear();
FindDvrFiles(findHandle);
bool ret = HCNetSDK.NET_DVR_FindClose_V30(findHandle);
return(ret);
}