flex3 控件转图片

flex3 控件转图片

    var sceneHolder:UIComponent  = new UIComponent();
    this.addChildAt(sceneHolder, 0);
    var snapShotBMD:BitmapData=ImageSnapshot.captureBitmapData(myLabel);
    var myBitmap:Bitmap = new Bitmap(snapShotBMD);

    sceneHolder.addChild(myBitmap);

  <mx:Label id="myLabel" x="187" y="86" text="Hermit" visible="false"/>