In the event list, select an event, as shown in Figure 31.
在Event列表中，选择一个事件，如图31所示。
Only control blocks that have been added to an event list are serviced.
只为已经添加到事件列表中的控制块提供服务。
When you first type it in, an event is added to the event list.
当你键入上述命令的时候，一个事件被加入事件列表中。
Next, you need to write an event handler to respond to a list event.
接下来，您需要编写一个事件处理程序来响应list 事件。
An event only bubbles up the parent's chain of ancestors in the display list.
事件在显示列表中只向上级的父级链冒泡。
An event only bubbles up the parent's chain of ancestors in the display list.
事件在显示列表中只向上级的父级链冒泡。
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