纯C的画笔源程序，调用底层的汇编命令控制鼠标和屏幕，模拟消息循环机制，是学习C/C++不可多得的例子。我当年可是用这个得了图形学满分的啊！-pure C source of the brush, called bottom of the compilation order to control the mouse and screen, simulated news cycle mechanism, it is learning C / C rare examples. But then I h