private static void OnIDChanged(DependencyObject d, DependencyPropertyChangedEventArgs e)
{
if ((e.NewValue == null) || !(d is UIElement))
{
return;
}
SwitchPresenter parentPresenter = VisualTreeHelperEx.FindAncestorByType <SwitchPresenter>(d);
if (parentPresenter != null)
{
parentPresenter.RegisterID(e.NewValue as string, d as FrameworkElement);
}
else
{
d.Dispatcher.BeginInvoke(DispatcherPriority.Loaded,
(ThreadStart) delegate()
{
parentPresenter = VisualTreeHelperEx.FindAncestorByType <SwitchPresenter>(d);
if (parentPresenter != null)
{
parentPresenter.RegisterID(e.NewValue as string, d as FrameworkElement);
}
});
}
}
