public void StartDownloadAsync(DateTime beginTime, DateTime endTime, string fileName)
{
NetDvrTime begin = new NetDvrTime
{
Year = (uint)beginTime.Year,
Month = (uint)beginTime.Month,
Day = (uint)beginTime.Day,
Hour = (uint)beginTime.Hour,
Minute = (uint)beginTime.Minute
};
NetDvrTime end = new NetDvrTime
{
Year = (uint)endTime.Year,
Month = (uint)endTime.Month,
Day = (uint)endTime.Day,
Hour = (uint)endTime.Hour,
Minute = (uint)endTime.Minute
};
NetDvrPlayCondition condition = new NetDvrPlayCondition();
condition.Channel = 33;
condition.StartTime = begin;
condition.StopTime = end;
_fileHandle = OfficalAPI.NET_DVR_GetFileByTime_V40(_userId, fileName, ref condition);
PlayBackControl(NetDvrPlayBackControlCode.NET_DVR_PLAYSTART);
}
