public override void OnTouchUp(TouchUpEvent touchEventArgs)
{
base.OnTouchUp(touchEventArgs);
if (!touchEventArgs.IsPrimaryContact)
return;
_lastTouchEvent = null;
IScrollViewerFocusSupport svfs = FindScrollControl() as IScrollViewerFocusSupport;
if (svfs != null)
svfs.EndScroll();
}
public virtual void OnTouchLeave(TouchEvent touchEventArgs)
{
foreach (UIElement child in GetChildren())
{
if (!child.IsVisible) continue;
child.OnTouchLeave(touchEventArgs);
}
}
public override void OnTouchDown(TouchDownEvent touchEventArgs)
{
var isInArea = IsInArea(touchEventArgs.LocationX, touchEventArgs.LocationY);
base.OnTouchDown(touchEventArgs);
// Only start handling touch if it happened inside control's area
if (!touchEventArgs.IsPrimaryContact || !isInArea)
return;
_lastTouchEvent = touchEventArgs;
IScrollViewerFocusSupport svfs = FindScrollControl() as IScrollViewerFocusSupport;
if (svfs != null)
svfs.BeginScroll();
}