Protected Overridable Sub OnMouseLeave( _
   ByVal e As MouseEventArgs _
) 

Dim instance As ISDragableHeaderedHierarchicalMultipleSelectionControl
Dim e As MouseEventArgs
 
instance.OnMouseLeave(e)

protected virtual void OnMouseLeave( 
   MouseEventArgs e
)

protected procedure OnMouseLeave( 
    e: MouseEventArgs
); virtual; 

protected function OnMouseLeave( 
   e : MouseEventArgs
);

protected: virtual void OnMouseLeave( 
   MouseEventArgs* e
) 

protected:
virtual void OnMouseLeave( 
   MouseEventArgs^ e
)