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	<title>中文Flex例子 &#187; closeButton</title>
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	<description>中文Adobe Flex例子,Flex实例教程,RIA资源,全文检索技术,算法和数据结构</description>
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		<title>如何显示，隐藏Flex的TitleWindow容器关闭按钮(close button)的例子</title>
		<link>http://blog.minidx.com/2008/03/25/634.html</link>
		<comments>http://blog.minidx.com/2008/03/25/634.html#comments</comments>
		<pubDate>Tue, 25 Mar 2008 12:24:08 +0000</pubDate>
		<dc:creator>Minidxer</dc:creator>
				<category><![CDATA[Flex]]></category>
		<category><![CDATA[closeButton]]></category>
		<category><![CDATA[mx_internal]]></category>
		<category><![CDATA[showCloseButton]]></category>
		<category><![CDATA[TitleWindow]]></category>

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		<description><![CDATA[下面的例子演示了如何通过internal命名空间的closeButton属性，显示，隐藏Flex的TitleWindow容器关闭按钮(close button)。
需要注意的是：和Flex的Alert消息框中设置icon图标的例子一样，由于例子中用到了mx_internal命名空间（namespace），无法保证在后续版本的Flex SDK中都可以正常工作，使用的时候自己要斟酌一下。
让我们先来看一下Demo（可以右键View Source或点击这里察看源代码）









Download: main.mxml&#60;?xml version=&#34;1.0&#34; encoding=&#34;utf-8&#34;?&#62;
&#60;mx:Application&#160;xmlns:mx=&#34;http://www.adobe.com/2006/mxml&#34;
&#160; &#160; &#160; &#160; layout=&#34;vertical&#34;
&#160; &#160; &#160; &#160; verticalAlign=&#34;middle&#34;
&#160; &#160; &#160; &#160; backgroundColor=&#34;white&#34;&#62;
&#160;
&#160; &#160; &#60;mx:Script&#62;
&#160; &#160; &#160; &#160; &#60;![CDATA[
&#160; &#160; &#160; &#160; &#160; &#160; import&#160;mx.events.CloseEvent;
&#160; &#160; &#160; &#160; &#160; &#160; import&#160;mx.controls.Button;
&#160;
&#160; &#160; &#160; &#160; &#160; &#160; private&#160;function checkBox_change(evt:Event):void {
&#160; &#160; &#160; &#160; &#160; &#160; &#160; &#160; var&#160;btn:Button = titleWindow.mx_internal::closeButton;
&#160; [...]]]></description>
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