flex4 弹出框

<?xml version="1.0" encoding="utf-8"?>

<s:Application xmlns:fx="http://ns.adobe.com/mxml/2009" 

  xmlns:s="library://ns.adobe.com/flex/spark" 

  xmlns:mx="library://ns.adobe.com/flex/mx" minWidth="955" minHeight="600">

<s:layout>

<s:VerticalLayout horizontalAlign="center" verticalAlign="middle" />

</s:layout>

<fx:Declarations>

<!-- 将非可视元素（例如服务、值对象）放在此处 -->

</fx:Declarations>

<fx:Script>

<![CDATA[

import mx.events.CloseEvent;

import mx.managers.PopUpManager;

import spark.components.TitleWindow;

private var pop:TitleWindow;

private function img1_clickHandler( event:MouseEvent ):void{

pop = TitleWindow( PopUpManager.createPopUp( this, TitleWindow, true ));  //创建弹出框

var temp:Image = new Image();

temp.source = event.currentTarget.source;

pop.addElement( temp );//构造弹出框

pop.title = 'Immovble Popup';

pop.isPopUp = true; //是否可以移动

PopUpManager.centerPopUp( pop );//弹出弹出框

pop.addEventListener(CloseEvent.CLOSE, close_handler);

}

private function close_handler( event:CloseEvent ):void{

PopUpManager.removePopUp( pop ); //弹出框消失

}

]]>

</fx:Script>

<s:Label text="Click Image"/>

<mx:Image width="100" height="100" source="assets/tt.jpg" click="img1_clickHandler(event)"/>

</s:Application>