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.
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.
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。
应用推荐