通过回车键改变窗口按钮的焦点，防止按回车键程序直接退出。-shortcut through the window button to change the focus to prevent the press the Enter button directly from.

如何实现标签页式的切换窗口,做一个在窗口有两个象标签式的按钮，然后有两个窗口可以通过他控制，并且两个窗口中显示的内容是动态的！-How to switch tab-style window, do like a tabbed window with two buttons, and then there are two windows through his control, and window displays the contents of the two is dynamic!

MFC通过按钮实现窗口切换,可以在A窗口及B窗口中任意切换窗口-Useing buttons to change windows in MFC

结合MFC框架类和c++，功能目的性明确，Windows开发的最强参考资料,(In combination with mfc framework classes and c, the functional purpose is to identify the strongest resources for windows development,)