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mxml
<?xml version="1.0" encoding="utf-8"?>
<mx:Application xmlns:mx="http://www.adobe.com/2006/mxml" xmlns:cmp="com.render.*"
    height="100%" width="100%" paddingTop="0" paddingBottom="0" paddingLeft="0" paddingRight="0">
    <cmp:AutoSizeTree
            id="checkTree"
            itemRenderer="com.render.CheckTreeRenderer"
            change="updataDataGrid()"
            labelField="@label"
             width="100%" height="100%" 
             horizontalScrollPolicy="auto" >
     </cmp:AutoSizeTree>
</mx:Application>
actionscript
package com.render
{
    import flash.events.Event;
   
    import mx.controls.Alert;
    import mx.controls.Tree;
    import mx.core.ScrollPolicy;
    import mx.core.mx_internal;
    public class AutoSizeTree extends Tree
    {
        public function AutoSizeTree()
        {
            super();
            horizontalScrollPolicy = ScrollPolicy.AUTO;
        }
    
        override public function get maxHorizontalScrollPosition():Number
        {
             if (isNaN(mx_internal::_maxHorizontalScrollPo


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Flex101£ºÓÃFlex´´½¨Swipe·­°å/SlideЧ¹û

±¾ÎÄÀ´×Ô£ºhttp://www.insideria.com/2009/12/flex-101-creating-an-swipeslid.html
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  call ·½·¨ÖÁÉÙÒªÇóÒ»¸ö²ÎÊý£¬¾ÍËùµ÷ÓöÊýµÄÃû³Æ¡£
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    ExternalInterface.call("alert","hello");
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flex sessionÏà¹Ø²Ù×÷

1.д session
mxml Îļþ ¼Ó
   <mx:RemoteObject source="servlet" id="sessionObject" />  
as ÎļþÓÃÏÂÃæÓï¾äµ÷ÓÃ
   sessionObject.session("set", "foo", 30200);
2.¶Á session
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   <mx:RemoteObject source="servlet" id="sessionObject1" res ......
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