Flex tree默认展开第一项和所有项

 

 

[java]  

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

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

               xmlns:view="com.greencloud.view.*"  

               xmlns:mx="library://ns.adobe.com/flex/mx"  height="100%" width="100%" creationComplete="application1_applicationCompleteHandler(event)">  

展开第一项：

[java] 

protected function application1_applicationCompleteHandler(event:FlexEvent):void  

            {     

                var item:XML  = this.managerTree.dataProvider[0];     

                this.managerTree.expandChildrenOf(item,true);    

                  

            }  

 

展开所有项：

[java]  

protected function application1_applicationCompleteHandler(event:FlexEvent):void  

{   

for each(var item:XML in this.managerTree.dataProvider)  

this.managerTree.expandChildrenOf(item,true);    

  

}  

 

补充：软件开发 , Java ,