该扩展视图在左边，以树状图的形式，显示出计划的各种组件，在右边显示与每一项选中事件相关的细节信息。
The expanded view shows the various artifacts of the schedule as a tree view on the left, with detailed information related to each selected event on the right.
您需要利用该树状图，来以任何方式编辑生成的代码。
You need to tap into this tree to modify the generated code in any way.
退回方案允许单个检查器，去处理所有呈递的规则结果，并允许不同的检查器联系树状图的任何地方，以替换默认的行为。
The fallback scheme permits a single viewer to handle all rule result rendering, yet allows alternate viewers to be attached anywhere in the tree to override the default behavior.
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