private static void sendFront(FrameworkElement element, ElementGroup group)
{
group.Elements.Remove(element);
group.Elements.AddFirst(element);
applyZOrdering(group);
}
internal static void Attach(FrameworkElement element, ElementGroup group)
{
group.Elements.AddFirst(element);
element.MouseDown += (sender, args) => sendFront(element, group);
applyZOrdering(group);
}
private static void applyZOrdering(ElementGroup group)
{
var currentIndex = 0;
foreach (var element in group.Elements)
{
--currentIndex;
Panel.SetZIndex(element, currentIndex);
}
}