private async void PlaybackSession_PlaybackStateChanged(MediaPlaybackSession sender, object args)
{
await Dispatcher.RunAsync(CoreDispatcherPriority.Normal, () =>
{
if (sender.PlaybackState == MediaPlaybackState.Playing)
{
if (EllStoryboard.GetCurrentState() == ClockState.Stopped)
{
EllStoryboard.Begin();
}
else
{
EllStoryboard.Resume();
RollTicker.Start();
}
}
else if (sender.PlaybackState == MediaPlaybackState.Paused)
{
EllStoryboard.Pause();
RollTicker.Stop();
}
});
}
