Protected Overridable Sub OnMenuItemOpenChanged( _
   ByVal isOpen As Boolean _
) 

Dim instance As UXMenuBase
Dim isOpen As Boolean
 
instance.OnMenuItemOpenChanged(isOpen)

protected virtual void OnMenuItemOpenChanged( 
   bool isOpen
)

protected procedure OnMenuItemOpenChanged( 
    isOpen: Boolean
); virtual; 

protected function OnMenuItemOpenChanged( 
   isOpen : boolean
);

protected: virtual void OnMenuItemOpenChanged( 
   bool isOpen
) 

protected:
virtual void OnMenuItemOpenChanged( 
   bool isOpen
)