CButtonST第一版的源代码，前边还传过一个最新版的，但是那个是dll版，功能比这个强大，但是这个有更益于学习；依照源码，我们可以自己设计按钮-CButtonST first edition of the source code, and across the front is also an updated version, but that is the dll version, more powerful than the powerful, but there is more benefit in this study　according to source, we can design their own buttons