Protected Sub OnListBoxKeyDown( _
   ByVal sender As Object, _
   ByVal e As KeyEventArgs _
) 

Dim instance As UXListBox
Dim sender As Object
Dim e As KeyEventArgs
 
instance.OnListBoxKeyDown(sender, e)

protected void OnListBoxKeyDown( 
   object sender,
   KeyEventArgs e
)

protected procedure OnListBoxKeyDown( 
    sender: TObject;
    e: KeyEventArgs
); 

protected function OnListBoxKeyDown( 
   sender : Object,
   e : KeyEventArgs
);

protected: void OnListBoxKeyDown( 
   Object* sender,
   KeyEventArgs* e
) 

protected:
void OnListBoxKeyDown( 
   Object^ sender,
   KeyEventArgs^ e
)