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	<title>Li Guoliang &#187; Bindable</title>
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	<description>ActionScript Flex Java JEE PHP...</description>
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		<title>Flex: Bindable注意事项</title>
		<link>http://liguoliang.com/2009/flex-bindable%e6%b3%a8%e6%84%8f%e4%ba%8b%e9%a1%b9/</link>
		<comments>http://liguoliang.com/2009/flex-bindable%e6%b3%a8%e6%84%8f%e4%ba%8b%e9%a1%b9/#comments</comments>
		<pubDate>Fri, 20 Feb 2009 07:34:26 +0000</pubDate>
		<dc:creator>老李</dc:creator>
				<category><![CDATA[ActionScript]]></category>
		<category><![CDATA[Flex]]></category>
		<category><![CDATA[Bindable]]></category>

		<guid isPermaLink="false">http://liguoliang.com/2009/02/789/</guid>
		<description><![CDATA[Bindable通过Event机制来实现. 详见: <a title="http://liguoliang.com/2008/09/104/" href="http://liguoliang.com/2008/09/104/">http://liguoliang.com/2008/09/104/</a>
但是在该过程中, 时常会因不小心变更对象 导致Bindable无法继续. 如下:
某DataGrid, 其dataprovider为 studentsAC – ArrayColl<p class='read-more'><a href='http://liguoliang.com/2009/flex-bindable%e6%b3%a8%e6%84%8f%e4%ba%8b%e9%a1%b9/'>More...</a></p>]]></description>
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		<title>Flex中Event与Bindable</title>
		<link>http://liguoliang.com/2008/%e5%ad%a6%e4%b9%a0%e7%ac%94%e8%ae%b0event%e4%b8%8ebindable/</link>
		<comments>http://liguoliang.com/2008/%e5%ad%a6%e4%b9%a0%e7%ac%94%e8%ae%b0event%e4%b8%8ebindable/#comments</comments>
		<pubDate>Mon, 29 Sep 2008 13:28:25 +0000</pubDate>
		<dc:creator>老李</dc:creator>
				<category><![CDATA[Flex]]></category>
		<category><![CDATA[ActionScript]]></category>
		<category><![CDATA[Bindable]]></category>
		<category><![CDATA[Event]]></category>

		<guid isPermaLink="false">http://liguoliang.com/2008/09/104/</guid>
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<p>作者:<a id="r_l_1" href="../" target="_blank">http://liguoliang.com</a> 欢迎访问:Adobe上海用户组: <a id="r_l_2" href="http://riashanghai.com/" target="_blank">http://riashanghai.com </a>]</p></blockquote>
<h2>Event:</h2>
<p>1.事件派发 Dispatching</p>
<p>Flash.events.EventDispacher类提供了事件dispatch函数,如果需要dispatch事件,则应该考虑继承该类或其子类.如果不能继承该类,则应事先IEventDispatcher接口</p>
<p>2.监听事件 Listening to Events</p>
<p>在监听事件时应首先考虑是否要使用weak referenced.如果事件监听与派发与监听函数有共同的生命周期,则可以使用strong referenced,在其他的大部分情况下,则应使用weak referenced.<br />
需要注意的是, 如果事件派发者属性为Public, 则在任何允许的地方都可以增加监听函数, 从而达到低内聚, 更易于操作.</p>
<p></p><p class='read-more'><a href='http://liguoliang.com/2008/%e5%ad%a6%e4%b9%a0%e7%ac%94%e8%ae%b0event%e4%b8%8ebindable/'>More...</a></p>]]></description>
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