public event EventHandler<RangeChangedEventHandler> OnRangeChanged

Public Event OnRangeChanged As EventHandler(Of RangeChangedEventHandler)

public:
 event EventHandler<RangeChangedEventHandler^>^ OnRangeChanged {
	void add (EventHandler<RangeChangedEventHandler^>^ value);
	void remove (EventHandler<RangeChangedEventHandler^>^ value);
}

member OnRangeChanged : IEvent<EventHandler<RangeChangedEventHandler>,
    RangeChangedEventHandler>