加强反馈。你可使用自定义控件外观和动画反馈给用户事件正确执行或者不正确，或者显示操作进程。
Improve feedback. You can use custom control visuals and animations to give feedback to show that something is being done correctly or incorrectly, or to show progress.
加强反馈。你可使用自定义控件外观和动画反馈给用户事件正确执行或者不正确，或者显示操作进程。
Improve feedback. You can use custom control visuals and animations to give feedback to show that something is being done correctly or incorrectly, or to show progress.
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