Li Guoliang » Event http://liguoliang.com ActionScript Flex Java JEE PHP... Wed, 08 Feb 2012 01:44:22 +0000 en hourly 1 http://wordpress.org/?v=3.3.1 Flex Event stopimmediatepropagation VS stoppropagation http://liguoliang.com/2011/flex-event-stopimmediatepropagation-vs-stoppropagation/ http://liguoliang.com/2011/flex-event-stopimmediatepropagation-vs-stoppropagation/#comments Fri, 17 Jun 2011 09:35:00 +0000 老李 http://liguoliang.com/2011/flex-event-stopimmediatepropagation-vs-stoppropagation/ More...

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]]> http://liguoliang.com/2010/use-currentstatechange-in-flex/feed/ 0 关于FlexBuilder的Event注释 http://liguoliang.com/2009/%e5%85%b3%e4%ba%8eflexbuilder%e7%9a%84event%e6%b3%a8%e9%87%8a/ http://liguoliang.com/2009/%e5%85%b3%e4%ba%8eflexbuilder%e7%9a%84event%e6%b3%a8%e9%87%8a/#comments Sun, 15 Mar 2009 02:28:18 +0000 老李 http://liguoliang.com/2009/03/836/ More...

]]> http://liguoliang.com/2009/%e5%85%b3%e4%ba%8eflexbuilder%e7%9a%84event%e6%b3%a8%e9%87%8a/feed/ 0 Flex中addEventListener失败原因总结 http://liguoliang.com/2008/flex%e4%b8%adaddeventlistener%e5%a4%b1%e8%b4%a5%e5%8e%9f%e5%9b%a0%e6%80%bb%e7%bb%93/ http://liguoliang.com/2008/flex%e4%b8%adaddeventlistener%e5%a4%b1%e8%b4%a5%e5%8e%9f%e5%9b%a0%e6%80%bb%e7%bb%93/#comments Wed, 08 Oct 2008 18:01:07 +0000 老李 http://liguoliang.com/2008/10/165/ More...

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Event:

1.事件派发 Dispatching

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

2.监听事件 Listening to Events

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.
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.

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