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);
}