/// <summary>
/// 按时间回放
/// </summary>
/// <param name="channel">通道号</param>
/// <param name="startTime">开始时间</param>
/// <param name="stopTime">停止时间</param>
/// <param name="hWnd">窗口句柄</param>
/// <returns></returns>
public bool PlayBackByTime(int channel, DateTime startTime, DateTime stopTime, IntPtr hWnd)
{
HCNetSDK.NET_DVR_TIME dvrStart = DateTimeToDvrTime(startTime);
HCNetSDK.NET_DVR_TIME dvrStop = DateTimeToDvrTime(stopTime);
_play_handle = HCNetSDK.NET_DVR_PlayBackByTime(_user_id, channel, ref dvrStart, ref dvrStop, hWnd);
if (_play_handle == -1)
{
return(false);
}
uint outValue = 0;
return(PlayBackControl(PlayControlCode.START, 0, out outValue));
}