使用Dispatcher的一个好处是您可以将事件上的参数轻松设置为本地值(比如文本输入)，而无需编写任何ActionScript代码来完成这个任务。

A benefit of using the Dispatcher is that it allows you to easily set parameters on the event to local values, such as text input, without having to write any code in ActionScript to do it.

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