很强大的一个CBUTTONST类，是CBUTTON类的一个扩展，能够改变按钮的前景色背景色，以及鼠标移动到按钮上的颜色等等。对大家一定有帮助。-A very strong one CBUTTONST category is CBUTTON an extension of the class, can change the button' s foreground background color, as well as the mouse button the color and so on. Will certainly be helpful to everyone.