/// <summary></summary>
/// <param name="e"></param>
protected override void OnKeyUp(KeyEventArgs e)
{
if (e.Key == Key.F9)
{
StuffUI.PrintLogicalTreeToConsole(Keyboard.FocusedElement as DependencyObject);
}
else if (e.Key == Key.F8)
{
StuffUI.PrintVisualTreeToConsole(Keyboard.FocusedElement as DependencyObject);
}
else if (e.Key == Key.F7)
{
StuffUI.PrintEventTreeToConsole(Keyboard.FocusedElement as DependencyObject);
}
base.OnKeyUp(e);
} // proc OnKeyUp
