纯VC代码实现一个响应鼠标变色的按钮，很普通的一个按钮，当初是想写一个换肤的窗口，可是水平真的很有限，只能写出一个按钮，其它的正在研究中，希望大家鼓励哦 -VC code a response of pure color the mouse button, a button is very common that when the window is to write a skin, but the level is really very limited and can only writ