public void Update() { ITrackSimple currentTrack = mediaPlayer.CurrentlyPlaying(); LocalFileName.Text = currentTrack.LocalFileName; if (currentTrack is ITrack) { TrackName.Text = ((ITrack)currentTrack).TrackName; Artist.Text = ((ITrack)currentTrack).Artist; } else { TrackName.Text = "--No data--"; Artist.Text = "--No data--"; } //Insert code here to update GUI Interface with track information }