操作处理器然后引发事件，应用程序必须处理这些事件以便以适当的方式更新可视组件。
The manipulation processor then raises events, which the application must handle to update the visual component in an appropriate way.
操作处理器然后引发事件，应用程序必须处理这些事件以便以适当的方式更新可视组件。
The manipulation processor then raises events, which the application must handle to update the visual component in an appropriate way.
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