- Event sender.
- Event arguments.
The Widget.ScreenChanged event utilizes this delegate:
Event data is passed via the Gtk.ScreenChangedArgs parameter.
To attach a Gtk.ScreenChangedHandler to an event, add the ScreenChangedHandler instance to the event. The methods referenced by the ScreenChangedHandler instance are invoked whenever the event is raised, until the ScreenChangedHandler is removed from the event.