/// <summary>
/// 按文件名回放录像文件
/// </summary>
/// <param name="fileName"> 回放的文件名，长度不能超过100字节</param>
/// <param name="hWnd">窗口句柄</param>
/// <returns></returns>
public bool PlayBackByName(string fileName, IntPtr hWnd)
{
_play_handle = HCNetSDK.NET_DVR_PlayBackByName(_user_id, fileName, hWnd);
if (_play_handle < 0)
{
return(false);
}
return(true);
}