private void BubbleEvent(RoutedEventArgs e)
{
UIElement target = this;
while (target != null)
{
target.RaiseEventImpl(e);
target = VisualTreeHelper.GetAncestor <UIElement>(target);
}
}
private UIElement FindFocusable(object o)
{
UIElement ui = o as UIElement;
while (ui != null)
{
if (ui.IsVisible && ui.Focusable)
{
return(ui);
}
ui = VisualTreeHelper.GetAncestor <UIElement>(ui);
}
return(null);
}