public void Activate()
        {
            Console.WriteLine($"@@@ this.GetType().Name={this.GetType().Name}, Activate()");

            window = NUIApplication.GetDefaultWindow();
            page   = new CarouselPageTest1Page();

            window.GetDefaultNavigator().Push(page);
        }
 public void Deactivate()
 {
     Console.WriteLine($"@@@ this.GetType().Name={this.GetType().Name}, Deactivate()");
     window.GetDefaultNavigator().Pop();
     page = null;
 }