Protected Overridable Sub OnSelectedValueChanged( _
   ByVal oldValue As Object, _
   ByVal newValue As Object _
) 

Dim instance As ISHierarchicalSelectionControl
Dim oldValue As Object
Dim newValue As Object
 
instance.OnSelectedValueChanged(oldValue, newValue)

protected virtual void OnSelectedValueChanged( 
   object oldValue,
   object newValue
)

protected procedure OnSelectedValueChanged( 
    oldValue: TObject;
    newValue: TObject
); virtual; 

protected function OnSelectedValueChanged( 
   oldValue : Object,
   newValue : Object
);

protected: virtual void OnSelectedValueChanged( 
   Object* oldValue,
   Object* newValue
) 

protected:
virtual void OnSelectedValueChanged( 
   Object^ oldValue,
   Object^ newValue
)