Flex4拖拽小例子

<?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"
creationComplete="application1_creationCompleteHandler(event)">
<s:layout>
<s:BasicLayout/>
</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.collections.ArrayCollection;
import mx.events.FlexEvent;

protected function application1_creationCompleteHandler(event:FlexEvent):void
{
// TODO Auto-generated method stub
leftList.dataProvider=new ArrayCollection(new Array('aa','bb','cc','dd','ff'));
rightList.dataProvider=new ArrayCollection(new Array());
}

]]>
</fx:Script>
<s:Panel width="500" height="500" title="拖拽实例" x="20" y="20">
<s:HGroup>
<s:VGroup>
<mx:Label text="左列表"/>
<mx:List id="leftList" width="200" height="350" allowMultipleSelection="true"
dragEnabled="true" dropEnabled="true" dragMoveEnabled="true"/>
</s:VGroup>
<s:VGroup>
<mx:Label text="右列表"/>
<mx:List id="rightList" width="200" height="350" allowMultipleSelection="true"
dragEnabled="true" dropEnabled="true" dragMoveEnabled="true"/>
</s:VGroup>
</s:HGroup>
</s:Panel>
</s:Application>