private async void Switch()
{
GC.Collect();
GC.WaitForPendingFinalizers();
GC.Collect();
t = t == 0 ? 0 : 0;
var file = await StorageFile.GetFileFromApplicationUriAsync(new Uri($"ms-appx:///Assets/{files[t]}"));
var stream = await file.OpenReadAsync();
var mediaSource = await MediaSource.CreateFromStream(stream);
var duration = mediaSource.Duration;
//Debug.WriteLine($"Title: {mediaSource.Title}");
//Debug.WriteLine($"Album: {mediaSource.Album}");
//Debug.WriteLine($"Artist: {mediaSource.Artist}");
//Debug.WriteLine($"AlbumArtist: {mediaSource.AlbumArtist}");
//Debug.WriteLine($"Duration: {mediaSource.Duration}");
//Debug.WriteLine($"Lyrics: {mediaSource.Lyrics}");
smtc.DisplayUpdater.MusicProperties.Title = "ss";
smtc.DisplayUpdater.Update();
mediaPlayer.SetMediaSource(mediaSource);
}