private void DisposePlaybin()
{
playbin.Error -= OnPlaybinError;
playbin.EndOfStream -= OnPlaybinEndOfStream;
playbin.StateChanged -= OnPlaybinStateChanged;
playbin.FoundVideoInfo -= OnPlaybinFoundVideoInfo;
playbin.FoundTag -= OnPlaybinFoundTag;
Widget videoWidget = playbin.GetVideoWidget();
frame.Remove(videoWidget);
playbin.Dispose();
playbin = null;
}
public void Dispose()
{
Close();
playbin.Dispose();
}