以下是我目前使用的代码。现在我只想让它画一个正方形并显示出来。现在,当我点击MXML中定义的区域<components:PaintArea width="100%" height="100%" id="paint-a"></PaintArea>
时,它什么都不显示;然而,actionlistener正在被触发并且一个元素被添加到组中。不确定究竟发生了什么......也许由于某种原因,它不认为该元素是可绘制的?无论如何感谢您的帮助!尝试在Flex4/AS3中向自定义容器绘制矩形
public class PaintArea extends SkinnableContainer
{
private var canvas:Group;
public function PaintArea()
{
super();
canvas = new Group();
canvas.clipAndEnableScrolling = true;
canvas.percentHeight = 100;
canvas.percentWidth = 100;
canvas.addEventListener(MouseEvent.MOUSE_UP,drawRectangle);
this.addElement(canvas);
}
private function drawRectangle(e:MouseEvent):void{
var r:Rect = new Rect();
r.fill = new SolidColor(0x00ff00,.5);
canvas.addElement(r);
}
}
哇...是啊,咄!谢谢 :)! – Parris 2010-04-01 07:27:34