Is it possible to detect Keyboard focus events globally?

Question

The following events can be used, but, they must be attach for each element:

GotKeyboardFocus, LostKeyboardFocus

Is there a way in .NET WPF to globally detect if

Answer 1

You can add a routed event handler to your main window and specify you're interested in handled events.

mainWindow.AddHandler(
    UIElement.GotKeyboardFocusEvent,
    OnElementGotKeyboardFocus,
    true
);