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<?xml version="1.0" encoding="utf-8"?>
<mx:Application xmlns:mx="http://www.adobe.com/2006/mxml" layout="absolute" fontSize="12">
<mx:Script>
<!--[CDATA[
import mx.controls.Alert;

public var newBuildMenuItem:ContextMenuItem;//²Ëµ¥Ïî±äÁ¿


private function init(): void//³õʼ»¯º¯Êý
{
createTreeMenuItem();
tree.contextMenu = getTreeContxtMenu();
}
public function createTreeMenuItem(): void//²Ëµ¥Ïî´´½¨º¯Êý£¬²¢Ìí¼Ó²Ëµ¥¼àÌýÆ÷
{
newBuildMenuItem = new ContextMenuItem("н¨");
newBuildMenuItem.addEventListener(ContextMenuEvent.MENU_ITEM_SELECT, newBuildHandler2);
}

private function getTreeContxtMenu(): ContextMenu//½«²Ëµ¥ÏîÄ¿Ìí¼Óµ½²Ëµ¥ÖÐ
{
var contextMenu: ContextMenu = new ContextMenu();
contextMenu.hideBuiltInItems();
contextMenu.customItems.push(newBuildMenuItem);
return contextMenu;
}
public function newBuildHandler2(event:Event):void//µã»÷²Ëµ¥Ö´Ðк¯Êý
{
Alert.show("ÕâÊÇн¨µÄ²Ëµ¥µã»÷ºóÖ´Ðеĺ¯Êý");
}
]]-->
</mx:Script>
<mx:Tree id="tree" x="31" y="10" creationComplete="init()"></mx:Tree>

</mx:Application>
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<mx:Script>
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