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£¨1£©treeµã»÷ʼþpublic function handleList(ev:ResultEvent)
{
sourceList=ev.result as ArrayCollection;
}
private function tree_itemClick(evt:ListEvent):void {
var item:Object = Tree(evt.currentTarget).selectedItem;
if (pmtree.dataDescriptor.isBranch(item)) {
pmtree.expandItem(item, !pmtree.isItemOpen(item), true);
}
Alert.show(item["id"].toString());
}

 
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Tree. openItems=Êý¾ÝÔ´;  ¼´¿É
(3) FlexÖÐÈçºÎÀûÓÃdataDescriptorºÍlabelFunctionÊôÐÔ£¬ÒÔ¼°hasChildren()ºÍgetChildren()º¯ÊýÉèÖÃTreeÖаüº¬×Ó½Úµã¸öÊý¡£1. <?xml version="1.0" encoding="utf-8"?>
2. <mx:Application xmlns:mx="http://www.adobe.com/2006/mxml"
3. layout="vertical"
4. verticalAlign="middle"
5. backgroundColor="white">
6.
7. <mx:Script>
8. <!--[CDATA[
9. private function tree_labelFunc(item:XML):String {
10. var label:String = item.@label;
11. if (tree.dataDescriptor.hasChildren(item)) {
12. label += " (" + tree.dataDescriptor.getChildren(item).length + ")";
13. }
14. return label;
15. }
16. ]]-->
17. </mx:Script>
18.
19. <mx:XML id="treeDP">
20. <root>
21. <node label="i) One" />
22. <node label="i) Two" />
23. <node label="i) Three" />
24. <node label="i) Four">
25. <node label="ii) One" />
26. <node label="ii) Two" />
27. <node label="ii) Three">
28. <node label="iii) One" />
29. <node label="iii) Two" />
30. </node>
31. <node label="ii) Four" />
32. </node>
33.


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<?xml version="1.0" encoding="utf-8"?>
<mx:Application fontSize="12" xmlns:mx="http://www.adobe.com/2006/mxml" layout="absolute" creationComplete="init()">
 <mx:Script>
  <![CDATA[
   public var treeXml: XML = <nodes name="ËùÓÐ">
 &n ......

FLEX ʵÓÃÊôÐÔÏê½â

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background ......

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import flash.display.DisplayObject;
import mx.core.Application;
import mx.managers.PopUpManager;
var win:TestWindows= PopUpManager.createPopUp(DisplayObject(Application.application),TitleWindows,true) as TitleWindows;
PopUpManager.centerPopUp(win); ......

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