这是一个用Windows API写的屏幕键盘。是很好的编程参考代码。 程序里面有两点新东东：Button的Subclassing，同时自己处理鼠标点击消息； 鼠标的钩子函数-This is a Windows API to write the screen keyboard. Programming is a good reference source. Inside there are two new Wanton : Button Subclassing, while their own m