返回当前对话框过程。

Returns the current dialog box procedure.

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一个对话框过程类似于一个窗口过程，但它常常只是处理对话框的初始化和用户的输入消息。

A dialog box procedure is similar to a window procedure, but usually processes only dialog initialization and user-input messages.

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几分钟后，清理的过程完成磁盘清理对话框关闭，您的计算机更加清洁，运行更好。

After a few minutes, the process completes and the Disk Cleanup dialog box closes, leaving your computer cleaner and performing better.

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