[FLEX] 트리아이콘 변경하기

<mx:XMLListCollection id="RULE_PROCESS">

<mx:XMLList>

<item col1="" col2="정책 리스트" col3="" col4="NODE">

<item col1="" col2="신청리스트" col3="request" col4="BRANCH"/>

<item col1="" col2="완료리스트" col3="apply" col4="BRANCH"/>

</item>

</mx:XMLList>

</mx:XMLListCollection>

<mx:Tree id="id_tree_rule" dataProvider="{RULE_PROCESS}" iconFunction="myScriptIconFunction" labelField="@col2" showRoot="true" x="10" y="33" width="220" height="255"></mx:Tree>

[Bindable][@Embed(source='images/images/b_1.png')] var pnode:Class;

[Bindable][@Embed(source='images/images/b_2.png')] var branch:Class;

private function myScriptIconFunction(item:Object):Class{

       var node:XML = new XML(item);

      

       if(node.@col4 == "NODE") {

       return pnode;

       }

       else if(node.@col4 == "BRANCH"){

       return branch;

       }

       return branch;

    }