FLEX4 弹出页面+回调

主页面 点击按钮弹出新页面

关闭新页面时，设置主页面label的值

 

主页面

<fx:Script><!--[CDATA[import mx.managers.PopUpManager;[Bindable]private var ww:MyWindow;private function popup():void {ww = MyWindow(PopUpManager.createPopUp(this.parent,MyWindow));ww.lb = lb;}]]--></fx:Script><s:HGroup〉 <s:Button id="btnNew" label="弹出页面" click="popup()"/> <s:Label id="lb"/></s:HGroup>

 

弹出页面

<?xml version="1.0" encoding="utf-8"?><mx:TitleWindow xmlns:fx="http://ns.adobe.com/mxml/2009" xmlns:s="library://ns.adobe.com/flex/spark" xmlns:mx="library://ns.adobe.com/flex/halo" layout="absolute" width="400" height="300"><fx:Declarations><!-- Place non-visual elements (e.g., services, value objects) here --></fx:Declarations><fx:Script><!--[CDATA[import spark.components.Label;import mx.managers.PopUpManager;public var lb:Label;public function returnName():String {lb.text = aa.text;return aa.text;}private function close():void {returnName();PopUpManager.removePopUp(this);}]]--></fx:Script><s:VGroup><s:TextInput id="aa"/><s:Button id="cl" label="asdf" click="close()"/></s:VGroup></mx:TitleWindow>