VC++设计实现一个会隐藏的窗体，当点击窗口中的“退出”按钮时，程序看上去是关闭了，但实际上并没有真正退出，您还可以在任务管理器中找到它。若要真正关闭你还是要点击“关闭”按钮才行，或者从任务管理器中关掉进程。本功能经常被用到一些恶搞程序中，很多时候会被黑客利用，因此你了解了原理，就会明白如何去防范了。

-VC++ design and implementation of a hidden form, click on the window when the " Exit"　button, the program appears to be closed, but in fact did not really quit, you can also find it in the Task Manager. To really close you still have to click the " Close"　button for the job, or turn off the process from Task Manager. This feature is often used in some of the spoof program will often be exploited by hackers, so you understand the principles, you will understand how to prevent it.