flex sprite圆角矩形发光体的使用

var rectangle2:Sprite = new Sprite();

var comp: UIComponent = new UIComponent();

rectangle2.graphics.lineStyle(2,0x00FF00);
        rectangle2.graphics.drawRoundRect(x-10, y-10, 120, 65, 15);  //圆角 矩形的大小，位置(drawCircle(150, 150, 55)圆形)
        comp.addChild(rectangle2);
        var g:GlowFilter=new GlowFilter(0x00FF00);
        glow1.target = rectangle2;
        glow1.play();