private void CheckAndExecuteDrop(GalaxyAdorner adorner, Point touchPoint)
{
VisualTreeHelper.HitTest(DragOverlay, null,
new HitTestResultCallback(MyHitTestResult),
new PointHitTestParameters(touchPoint));
foreach (UIElement item in hitResultsList)
{
if (item is IDroppableArea)
{
IDroppableArea area = item as IDroppableArea;
area.Drop(adorner);
}
}
hitResultsList.Clear();
}
/// <summary>
/// This function occurs when any element on the canvas is dropped
/// </summary>
/// <param name="sender">Originating element</param>
/// <param name="args">Event args</param>
private void Element_ElementDropped(object sender, DraggableElementEventArgs args)
{
IDroppableArea finalDropTarget = null;
foreach (UIElement child in Children)
{
if (child is IDroppableArea)
{
IDroppableArea dropTarget = child as IDroppableArea;
if (dropTarget != args.Element && dropTarget.IsUnder(args.DragPosition))
{
finalDropTarget = dropTarget;
}
}
}
if (finalDropTarget != null)
{
finalDropTarget.Drop(args.Element);
}
}