private void buttonStepForward_Click(object sender, RoutedEventArgs e)
{
//Player.NextFrame();
Player.Play();
Player.Pause();
//try
//{
// frameRate = (Player.VlcMediaPlayer.Media.GetTracks()[0] as VideoTrack).FrameRateNum / 1000;
//}
//catch
//{
// frameRate = 25;
//}
//frameRate = 25;
//int step = Convert.ToInt32(1000 / frameRate);
//if (Player.Time.Milliseconds % step != 0)
//{
// Player.Time = Player.Time.Add(new TimeSpan(0, 0, 0, 0, -(Player.Time.Milliseconds % step)));
//}
//Player.VlcMediaPlayer.Time = Player.VlcMediaPlayer.Time.Add(new TimeSpan(0, 0, 0, 0, step));
FreshTime();
}