gtk-sharp2.12.0.0Gtk# is thread aware, but not thread safe; See the Gtk# Thread Programming for details.
Event sender.
Event arguments.
Event handler.The event utilizes this delegate:Event data is passed via the parameter.To attach a to an event, add the DestroyEventHandler instance to the event. The methods referenced by the DestroyEventHandler instance are invoked whenever the event is raised, until the DestroyEventHandler is removed from the event.System.DelegateSystem.Void