我写的参考GDI编程，全部可以运行，分别是椭圆矩形等，代码很简单，就是按钮排下去要查找也很方便，顺便建议一下PUDN的源码类别能不能改手写，选择我找了老半天-I write a reference GDI programming, all can run, namely, the rectangular, such as elliptical, the code is very simple, it is the button row is also very easy to find, in