public function ButtonImageScreen(locX:Number, locY:Number, screenW:Number, screenH:Number){
                        this.x = locX;
                        this.y = locY;
                        this.width = screenW;
                        this.height = screenH;
                        
                        rgbScreen = new BitmapData(screenW, screenH, false);
                        
                        this.addEventListener(MouseEvent.MOUSE_MOVE, );
                        this.addEventListener(MouseEvent.CLICK, );
                }

이 생성자 부분에서 x,y,width,height 변경했는대도 디버거에서 변수 찍어보면 값이 안바뀜요. 뭐가 문제일가요?