private static void RaiseUsingCaptures(RaisePointerEventArgs raise, UIElement originalSource, PointerRoutedEventArgs routedArgs)
{
if (PointerCapture.TryGet(routedArgs.Pointer, out var capture))
{
var targets = capture.Targets.ToList();
if (capture.IsImplicitOnly)
{
raise(originalSource, routedArgs, BubblingContext.Bubble);
foreach (var target in targets)
{
routedArgs.Handled = false;
raise(target.Element, routedArgs, BubblingContext.NoBubbling);
}
}
else
{
var explicitTarget = targets.Find(c => c.Kind == PointerCaptureKind.Explicit) !;
raise(explicitTarget.Element, routedArgs, BubblingContext.Bubble);
foreach (var target in targets)
{
if (target == explicitTarget)
{
continue;
}
routedArgs.Handled = false;
raise(target.Element, routedArgs, BubblingContext.NoBubbling);
}
}
}
else
{
raise(originalSource, routedArgs, BubblingContext.Bubble);
}
}
private static void Raise(RaisePointerEventArgs raise, VisualTreeHelper.Branch branch, PointerRoutedEventArgs routedArgs) => raise(branch.Leaf, routedArgs, BubblingContext.BubbleUpTo(branch.Root));
private static void Raise(RaisePointerEventArgs raise, UIElement originalSource, PointerRoutedEventArgs routedArgs) => raise(originalSource, routedArgs, BubblingContext.Bubble);
