当用户从菜单中选择了一项，或者子控件发出一个通知消息，或者转换了一个加速键的击键事件，框架就调用这个成员函数。

The framework calls this member function when the user selects an item from a menu, when a child control sends a notification message, or when an accelerator keystroke is translated.

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她说一名黑客用自己的签名和一个连接到海外网站的链接替换了上周五下午发布的任务最新消息。

She said the mission update posted Friday afternoon was replaced with a hacker's signature and a link redirecting to the hacker's overseas Web site.

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