\ 这里是通用的:

		_menu = new ContextMenu();
		_menuAddTopOU = new ContextMenuItem(RM.getString(BUNDLE_OUSETUP, "ous.menu.addTopOU"));
		_menuAdd = new ContextMenuItem(null, true);
		_menuEdit = new ContextMenuItem(null);
		_menuRemove = new ContextMenuItem(null);

		_menu.customItems.push(_menuAddTopOU);
		_menu.customItems.push(_menuAdd);
		_menu.customItems.push(_menuEdit);
		_menu.customItems.push(_menuRemove);
		_menu.addEventListener(ContextMenuEvent.MENU_SELECT, onMenuSelected);
		_menu.addEventListener(Event.SELECT, onMenuItemSelected);

		_treeOUs.contextMenu = _menu;

	// Menu打开后动态改变菜单内容
	private function onMenuSelected(event:ContextMenuEvent):void {
		...
		_menuAddTopOU.enabled = !tempNew; // add Top ou
		_menuAdd.enabled = (_treeOUs.selectedItem != null) && (!_editorOU.editable);	// add ou
		if(_menuAdd.enabled) {
			_menuAdd.label = RM.getString(BUNDLE_OUSETUP, "ous.menu.add", [currentOU.nameFullLocalized]);
		}else {
			_menuAdd.label = RM.getString(BUNDLE_OUSETUP, "ous.menu.selectOneFirst");
		}

		..
	}

	// 选中Menu中某item后响应
	private function onMenuItemSelected(event:Event):void {
		if(event.target == _menuAddTopOU) { // 增加顶级部门
			onAction(_actionAddTopOU, null);
		}else ...
	}
]]>
		http://liguoliang.com/2009/flex%e4%b8%ad%e4%bd%bf%e7%94%a8contextmenu%e3%80%80%ef%bc%8d%e3%80%80%e6%b7%bb%e5%8a%a0%e5%8a%a8%e6%80%81%e6%94%b9%e5%8f%98-%e5%93%8d%e5%ba%94/feed/
		0
		
		
		
		http://liguoliang.com/2009/flex-%e9%80%9a%e8%bf%87%e7%9b%91%e5%90%accontextmenueventmenu_select%e4%ba%8b%e4%bb%b6-%e5%8a%a8%e6%80%81%e6%94%b9%e5%8f%98%e8%8f%9c%e5%8d%95%e5%86%85%e5%ae%b9/
		http://liguoliang.com/2009/flex-%e9%80%9a%e8%bf%87%e7%9b%91%e5%90%accontextmenueventmenu_select%e4%ba%8b%e4%bb%b6-%e5%8a%a8%e6%80%81%e6%94%b9%e5%8f%98%e8%8f%9c%e5%8d%95%e5%86%85%e5%ae%b9/#comments
		Thu, 26 Mar 2009 01:47:30 +0000
		老李
				
		
		
		
		
		

		http://liguoliang.com/2009/03/837/
		More...
]]>
		http://liguoliang.com/2009/flex-%e9%80%9a%e8%bf%87%e7%9b%91%e5%90%accontextmenueventmenu_select%e4%ba%8b%e4%bb%b6-%e5%8a%a8%e6%80%81%e6%94%b9%e5%8f%98%e8%8f%9c%e5%8d%95%e5%86%85%e5%ae%b9/feed/
		0
		
		
		
		http://liguoliang.com/2009/%e4%bd%bf%e7%94%a8actionscript%e5%bb%ba%e7%ab%8bdatagrid-%e6%b7%bb%e5%8a%a0%e5%8f%b3%e9%94%ae-%e5%a2%9e%e5%8a%a0%e5%88%97-%e5%b9%b6%e8%ae%be%e5%ae%9a%e5%88%97%e7%9a%84itemrender/
		http://liguoliang.com/2009/%e4%bd%bf%e7%94%a8actionscript%e5%bb%ba%e7%ab%8bdatagrid-%e6%b7%bb%e5%8a%a0%e5%8f%b3%e9%94%ae-%e5%a2%9e%e5%8a%a0%e5%88%97-%e5%b9%b6%e8%ae%be%e5%ae%9a%e5%88%97%e7%9a%84itemrender/#comments
		Mon, 05 Jan 2009 16:59:39 +0000
		老李
				
		
		
		
		

		http://liguoliang.com/2009/01/679/
		
]]>
		http://liguoliang.com/2009/%e4%bd%bf%e7%94%a8actionscript%e5%bb%ba%e7%ab%8bdatagrid-%e6%b7%bb%e5%8a%a0%e5%8f%b3%e9%94%ae-%e5%a2%9e%e5%8a%a0%e5%88%97-%e5%b9%b6%e8%ae%be%e5%ae%9a%e5%88%97%e7%9a%84itemrender/feed/
		6
		
		
		
		http://liguoliang.com/2009/air%e4%b8%ad%e9%80%9a%e8%bf%87%e5%8f%b3%e9%94%ae%e7%9b%b4%e6%8e%a5%e9%80%89%e5%ae%9a%e5%9f%ba%e4%ba%8elist%e5%ae%b9%e5%99%a8datagrid-list-tree%e7%ad%89%e7%9a%84%e6%95%b0%e6%8d%ae-select-list-ite/
		http://liguoliang.com/2009/air%e4%b8%ad%e9%80%9a%e8%bf%87%e5%8f%b3%e9%94%ae%e7%9b%b4%e6%8e%a5%e9%80%89%e5%ae%9a%e5%9f%ba%e4%ba%8elist%e5%ae%b9%e5%99%a8datagrid-list-tree%e7%ad%89%e7%9a%84%e6%95%b0%e6%8d%ae-select-list-ite/#comments
		Mon, 05 Jan 2009 15:18:16 +0000
		老李
				
		
		
		
		
		

		http://liguoliang.com/2009/01/675/
		
]]>
		http://liguoliang.com/2009/air%e4%b8%ad%e9%80%9a%e8%bf%87%e5%8f%b3%e9%94%ae%e7%9b%b4%e6%8e%a5%e9%80%89%e5%ae%9a%e5%9f%ba%e4%ba%8elist%e5%ae%b9%e5%99%a8datagrid-list-tree%e7%ad%89%e7%9a%84%e6%95%b0%e6%8d%ae-select-list-ite/feed/
		4