这是VC中GDI和绘图函数的一个简单的使用示例 运行程序后点击1234这四个按钮 可分别看到绘图函数、画笔、画刷以及字体的使用示例-This is the VC in the GDI and mapping functions using a simple example of running the program after 1234 in these four button clicks can see the graphics function, brushes, painting br