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	<title>中文Flex例子 &#187; 透明度</title>
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	<link>http://blog.minidx.com</link>
	<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>Flex中如何通过backgroundAlpha样式设置RichTextEditor控件内TextArea的背景颜色透明度的例子</title>
		<link>http://blog.minidx.com/2008/08/27/1323.html</link>
		<comments>http://blog.minidx.com/2008/08/27/1323.html#comments</comments>
		<pubDate>Wed, 27 Aug 2008 13:32:14 +0000</pubDate>
		<dc:creator>Minidxer</dc:creator>
				<category><![CDATA[Flex]]></category>
		<category><![CDATA[backgroundAlpha]]></category>
		<category><![CDATA[RichTextEditor]]></category>
		<category><![CDATA[TextArea]]></category>
		<category><![CDATA[textAreaStyleName]]></category>
		<category><![CDATA[背景颜色]]></category>
		<category><![CDATA[透明度]]></category>

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		<description><![CDATA[前面的Flex中如何通过backgroundColor样式设置RichTextEditor控件内TextArea的背景颜色的例子中，我们了解了Flex中如何通过backgroundColor样式，设置RichTextEditor控件内TextArea的背景颜色。接下来的例子则演示了Flex中如何通过backgroundAlpha样式，设置RichTextEditor控件内TextArea的背景颜色透明度。
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）：









下面是完整代码(或点击这里察看)：
Download: main.mxml&#60;?xml version=&#34;1.0&#34; encoding=&#34;utf-8&#34;?&#62;
&#60;mx:Application&#160;name=&#34;RichTextEditor_textArea_backgroundAlpha_test&#34;
&#160; &#160; &#160; &#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 mx.events.ColorPickerEvent;
&#160; &#160; &#160; &#160; &#160; &#160; import mx.events.SliderEvent;
&#160;
&#160; &#160; &#160; &#160; &#160; &#160; private function colorPicker_change(evt:ColorPickerEvent):void {
&#160; &#160; &#160; &#160; &#160; &#160; [...]]]></description>
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		<item>
		<title>Flex中通过backgroundAlpha样式设置TextArea控件背景颜色透明度的例子</title>
		<link>http://blog.minidx.com/2008/08/19/1279.html</link>
		<comments>http://blog.minidx.com/2008/08/19/1279.html#comments</comments>
		<pubDate>Tue, 19 Aug 2008 11:35:19 +0000</pubDate>
		<dc:creator>Minidxer</dc:creator>
				<category><![CDATA[Flex]]></category>
		<category><![CDATA[backgroundAlpha]]></category>
		<category><![CDATA[TextArea]]></category>
		<category><![CDATA[背景颜色]]></category>
		<category><![CDATA[透明度]]></category>

		<guid isPermaLink="false">http://blog.minidx.com/2008/08/19/1279.html</guid>
		<description><![CDATA[接下来的例子演示了Flex中如何通过backgroundAlpha样式，设置TextArea控件背景颜色透明度。
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）：









下面是完整代码(或点击这里察看)：
Download: main.mxml&#60;?xml version=&#34;1.0&#34; encoding=&#34;utf-8&#34;?&#62;
&#60;mx:Application&#160;name=&#34;TextArea_backgroundDisabledColor_test&#34;
&#160; &#160; &#160; &#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;&#62;
&#160;
&#160; &#160; &#60;mx:String&#160;id=&#34;lorem&#34; source=&#34;lorem.txt&#34; /&#62;
&#160;
&#160; &#160; &#60;mx:ApplicationControlBar&#160;dock=&#34;true&#34;&#62;
&#160; &#160; &#160; &#160; &#60;mx:Form&#160;styleName=&#34;plain&#34; backgroundAlpha=&#34;0.0&#34;&#62;
&#160; &#160; &#160; &#160; &#160; &#160; &#60;mx:FormItem&#160;label=&#34;backgroundAlpha:&#34;&#62;
&#160; &#160; &#160; &#160; &#160; &#160; &#160; &#160; &#60;mx:HSlider&#160;id=&#34;slider&#34;
&#160; &#160; &#160; &#160; &#160; &#160; &#160; &#160; &#160; &#160; &#160; &#160; minimum=&#34;0.0&#34;
&#160; &#160; [...]]]></description>
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		</item>
		<item>
		<title>Flex中通过backgroundColor和backgroundAlpha样式设置NumericStepper控件背景颜色和透明度的例子</title>
		<link>http://blog.minidx.com/2008/05/25/869.html</link>
		<comments>http://blog.minidx.com/2008/05/25/869.html#comments</comments>
		<pubDate>Sun, 25 May 2008 01:38:29 +0000</pubDate>
		<dc:creator>Minidxer</dc:creator>
				<category><![CDATA[Flex]]></category>
		<category><![CDATA[backgroundAlpha]]></category>
		<category><![CDATA[backgroundColor]]></category>
		<category><![CDATA[NumericStepper]]></category>
		<category><![CDATA[背景颜色]]></category>
		<category><![CDATA[透明度]]></category>

		<guid isPermaLink="false">http://blog.minidx.com/2008/05/25/869.html</guid>
		<description><![CDATA[在前面的Flex中如何通过设置backgroundAlpha风格来设定VideoDisplay控件的背景透明度(background alpha)的例子和Flex中设置面板容器（Panel container）背景透明度的例子中，都演示了如何设置背景颜色以及透明度。接下来的例子演示了Flex中如何通过backgroundColor和backgroundAlpha样式，设置NumericStepper控件背景颜色和透明度。滑动游标调整透明度，从调色板中选择背景颜色。
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）：









下面是完整代码(或点击这里查看)：
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:ApplicationControlBar&#160;dock=&#34;true&#34;&#62;
&#160; &#160; &#160; &#160; &#60;mx:Form&#160;styleName=&#34;plain&#34;&#62;
&#160; &#160; &#160; &#160; &#160; &#160; &#60;mx:FormItem&#160;label=&#34;backgroundAlpha:&#34;&#62;
&#160; &#160; &#160; &#160; &#160; &#160; &#160; &#160; &#60;mx:HSlider&#160;id=&#34;slider&#34;
&#160; &#160; &#160; &#160; &#160; &#160; &#160; &#160; &#160; &#160; &#160; &#160; minimum=&#34;0.0&#34;
&#160; &#160; &#160; &#160; &#160; [...]]]></description>
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		<slash:comments>0</slash:comments>
		</item>
		<item>
		<title>Flex中如何通过设置backgroundAlpha风格来设定VideoDisplay控件的背景透明度(background alpha)的例子</title>
		<link>http://blog.minidx.com/2008/04/19/745.html</link>
		<comments>http://blog.minidx.com/2008/04/19/745.html#comments</comments>
		<pubDate>Sat, 19 Apr 2008 08:20:49 +0000</pubDate>
		<dc:creator>Minidxer</dc:creator>
				<category><![CDATA[Flex]]></category>
		<category><![CDATA[backgroundAlpha]]></category>
		<category><![CDATA[VideoDisplay]]></category>
		<category><![CDATA[背景]]></category>
		<category><![CDATA[透明度]]></category>

		<guid isPermaLink="false">http://blog.minidx.com/2008/04/19/745.html</guid>
		<description><![CDATA[在前面的Flex中如何设定VideoDisplay控件背景颜色(background color)的例子中，我们了解了如何通过设置backgroundColor风格来修改VideoDisplay控件背景颜色。接下来的例子演示了如何通过设置backgroundAlpha风格来设定VideoDisplay控件背景透明度(background alpha)。
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）：









下面是完整代码(或点击这里察看)：
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; private&#160;function loadButton_click(evt:MouseEvent):void {
&#160; &#160; &#160; &#160; &#160; &#160; &#160; &#160; var&#160;url:String = &#34;http://blog.minidx.com/ext/getting-started-with-the-videodisplay-control/clouds.flv&#34;;
&#160; &#160; &#160; &#160; &#160; &#160; &#160; &#160; videoDisplay.source = url;
&#160; &#160; &#160; [...]]]></description>
		<wfw:commentRss>http://blog.minidx.com/2008/04/19/745.html/feed</wfw:commentRss>
		<slash:comments>2</slash:comments>
		</item>
		<item>
		<title>Flex中设置面板容器（Panel container）背景透明度的例子</title>
		<link>http://blog.minidx.com/2008/03/14/574.html</link>
		<comments>http://blog.minidx.com/2008/03/14/574.html#comments</comments>
		<pubDate>Thu, 13 Mar 2008 16:08:49 +0000</pubDate>
		<dc:creator>Minidxer</dc:creator>
				<category><![CDATA[Flex]]></category>
		<category><![CDATA[backgroundAlpha]]></category>
		<category><![CDATA[Panel]]></category>
		<category><![CDATA[透明度]]></category>
		<category><![CDATA[面板容器]]></category>

		<guid isPermaLink="false">http://blog.minidx.com/2008/03/14/574.html</guid>
		<description><![CDATA[在前面的如何设置Flex中面板容器（Panel container）边框透明度的例子中，我们了解到了如何通过设置borderAlpha风格来改变边框的透明度。
接下来的例子展示了Flex中如何通过设置backgroundAlpha风格来改变面板容器（Panel container）背景的透明度。
下面是具体的例子以及源代码：








Download: main.mxml&#60;?xml version=&#34;1.0&#34; encoding=&#34;utf-8&#34;?&#62;
&#60;!-- http://blog.flexexamples.com/2008/03/12/setting-the-background-alpha-on-a-panel-container-in-flex/ --&#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; creationComplete=&#34;init();&#34;&#62;
&#160;
&#160; &#160; &#60;mx:Style&#62;
&#160; &#160; &#160; &#160; Application&#160;{
&#160; &#160; &#160; &#160; &#160; &#160; backgroundColor: red;
&#160; &#160; &#160; &#160; &#160; &#160; backgroundGradientColors: red, black;
&#160; &#160; &#160; &#160; }
&#160; &#160; &#60;/mx:Style&#62;
&#160;
&#160; &#160; &#60;mx:Script&#62;
&#160; &#160; &#160; &#160; &#60;![CDATA[
&#160; &#160; &#160; [...]]]></description>
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		<slash:comments>1</slash:comments>
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