Adds an event handler to the EventOccurred event.
[Visual Basic] Public Sub AddOnEventOccurred( _ ByVal handler As OccurredEventHandler _ ) [C#] public void AddOnEventOccurred( OccurredEventHandler handler ); [C++] public: void AddOnEventOccurred( OccurredEventHandler* handler ); [JScript] public function AddOnEventOccurred( handler : OccurredEventHandler );