Protected Overridable Sub OnSelectedIndexChanged( _
   ByVal oldIndex As Integer, _
   ByVal newIndex As Integer _
) 

Dim instance As ISSelectionControl
Dim oldIndex As Integer
Dim newIndex As Integer
 
instance.OnSelectedIndexChanged(oldIndex, newIndex)

protected virtual void OnSelectedIndexChanged( 
   int oldIndex,
   int newIndex
)

protected procedure OnSelectedIndexChanged( 
    oldIndex: Integer;
    newIndex: Integer
); virtual; 

protected function OnSelectedIndexChanged( 
   oldIndex : int,
   newIndex : int
);

protected: virtual void OnSelectedIndexChanged( 
   int oldIndex,
   int newIndex
) 

protected:
virtual void OnSelectedIndexChanged( 
   int oldIndex,
   int newIndex
)