public RoutedEvents6Page() {
            this.InitializeComponent();
            vm = new TapTextBlockPageViewModel();
            this.DataContext = vm;

            this.AddHandler(UIElement.TappedEvent,
                new TappedEventHandler(OnPageTapped),
                true); // true to receive TextBlock Handled events, false to not receive them
        }
 public TapTextBlockPage() {
     this.InitializeComponent();
     vm = new TapTextBlockPageViewModel();
     this.DataContext = vm;
 }