public Scenario4() { this.InitializeComponent(); TimelineSlider.AddHandler(Slider.PointerPressedEvent, new PointerEventHandler(TimelineSlider_PointerPressed), true); TimelineSlider.AddHandler(Slider.PointerReleasedEvent, new PointerEventHandler(TimelineSlider_PointerReleased), true); _timer = new DispatcherTimer(); SetFullWindowMode(false); }