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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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ÏÖÔÚÓÐÒ»¸ö¹¤³ÌÊÇjava web project£¬»¹ÓÐÒ»¸ö¹¤³ÌÊÇflex¹¤³Ì£¬°²×°µÄÊÇflex builder 4Õýʽ°æ¡£·¢ÏÖÔÚÐÞ¸Äflex¹¤³ÌÊôÐԵĹ¹½¨Â·¾¶Ê±£¬Ð޸Ľá¹û²»Äܱ£´æ¡£ ½â¾ö°ì·¨£º ÔÚ.actionScriptPropertiesÎļþÖУ¬ÕÒµ½Â·¾¶Ö±½ÓÐ޸ġ£ ......

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      Ê×ÏȽéÉÜÒ»ÏÂSystemManager. SystemManagerÊÇFlexÓ¦ÓõÄÖ÷¿ØÕß, Ëü¿ØÖÆ×ÅÓ¦Óô°¿Ú, ApplicationʵÀý, µ¯³ö´°¿Ú, cursors, ²¢¹ÜÀí×ÅApplicationDomainÖеÄÀà. SystemManagerÊÇFlashPlayerʵÀý»¯µÄµÚÒ»¸öÀà, Ë ......

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ÒÔͨ¹ýÒ»×é×ÓÈÝÆ÷À´¼à¿ØÓû§µÄ²Ù×÷¡£±ÈÈ磬TabNavigator
Õâ¸öÈÝÆ÷¾Í¿ÉÒÔͨ¹ýÒ»×étabs
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ViewStack
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TabNavigator
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FlexÖ®TabNavigator

TabNavigatorĬÈÏÊÇÖ»³õʼ»¯µÚÒ»¸öTABµÄ£¬ÉèÒ»ÏÂÊôÐÔ£¬ÉèÁ˺ó»á³õʼ»¯ÆäËûTAB£¬creationPolicy="all"
²¹³äÏÂtabÀïÃæµÄÈÝÆ÷ÊÇCanvas
¶¯Ì¬Éú³ÉTabNavigator tabÒ³Ãæ
var canvas: Canvas = new Canvas();
canvas.label = "new Tab";
tabNavigator.addChild(canvas);
-------------------------------------------------- ......

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HScrollBar{
up-arrow-skin: ClassReference( null );
down-arrow-skin: ClassReference( null );
}
VScrollBar{
up-arrow-skin: ClassReference( null );
down-arrow-skin: ClassReference( null );
}
  http://www.brentlamborn.com/post/Flex-Scrollbar-Remove-up-down-arrows.aspx ......
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