public void StopTracking()
{
_trackedElement.RemoveHandler(UIElement.TouchDownEvent, new EventHandler<TouchEventArgs>(OnTrackedElementTouchDown));
_trackedElement.RemoveHandler(UIElement.TouchUpEvent, new EventHandler<TouchEventArgs>(OnTrackedElementTouchUp));
_trackedElement.RemoveHandler(UIElement.TouchMoveEvent, new EventHandler<TouchEventArgs>(OnTrackedElementTouchMove));
//_trackedElement.RemoveHandler(UIElement.MouseDownEvent, new EventHandler<MouseButtonEventArgs>(OnTrackedElementMouseDown));
//_trackedElement.RemoveHandler(UIElement.MouseUpEvent, new EventHandler<MouseButtonEventArgs>(OnTrackedElementMouseUp));
//_trackedElement.RemoveHandler(UIElement.MouseMoveEvent, new EventHandler<MouseButtonEventArgs>(OnTrackedElementMouseMove));
OnStopTracking();
}