Method OnPreviewLostKeyboardFocus
OnPreviewLostKeyboardFocus(KeyboardFocusChangedEventArgs)
Invoked when an unhandled System.Windows.Input.Keyboard.PreviewKeyDown attached event reaches an element in its route that is derived from this class. Implement this method to add class handling for this event.
protected override void OnPreviewLostKeyboardFocus(KeyboardFocusChangedEventArgs e)
Parameters
e
KeyboardFocusChangedEventArgsThe KeyboardFocusChangedEventArgs that contains the event data.