partial void playButtonTapped(Foundation.NSObject sender) { if (FavoritesService.Shows.Any(s => s.ID == Show.ID)) { if (FavoritesService.RemoveFavoriteShow(Show)) { playButton.SetTitle("Favorite", UIControlState.Normal); } } else { if (FavoritesService.AddFavoriteShow(Show)) { playButton.SetTitle("UnFavorite", UIControlState.Normal); } } }