private void AppBarButton_Click(object sender, RoutedEventArgs e)
 {
     var gamesHelper = new SavedGamesHelper();
     gamesHelper.DeleteGamesFromSettings(RecentGames.SelectedItems.Cast<string>());
     SavedGames.RemoveRange(RecentGames.SelectedItems.Cast<string>());
     OnChanged("SavedGames");
 }