Public Sub KeyDown( _
   ByRef KeyCode As Integer, _
   ByVal Shift As Integer _
) 

public void KeyDown(
   ref int KeyCode, 
   int Shift
);

public: void KeyDown(
   int ^ KeyCode, 
   int Shift
);

public  keyDown(
   ppInteger KeyCode, 
   ppInteger Shift
);

public: HRESULT KeyDown(
   int * KeyCode, 
   int Shift
);