public void OnElevatorHasArrivedOrIsNoteFullAnymore(ElevatorEventArgs e) { EventHandler elevatorHasArrivedOrIsNoteFullAnymore = ElevatorHasArrivedOrIsNotFullAnymore; if (elevatorHasArrivedOrIsNoteFullAnymore != null) { elevatorHasArrivedOrIsNoteFullAnymore(this, e); } }