Removes the event handler that has been associated with the OnListChanged event.
[Visual Basic] Overridable Public Sub RemoveOnListChanged( _ ByVal handler As ListChangedEventHandler _ ) [C#] public virtual void RemoveOnListChanged( ListChangedEventHandler handler ); [C++] public: virtual void RemoveOnListChanged( ListChangedEventHandler* handler ); [JScript] public function RemoveOnListChanged( handler : ListChangedEventHandler );