屏幕绘图及其打印 c711为配置MFC的设备环境类 C721为准备打印设备和打印参数 C731为自动打印的消息处理 C732为自动打印的客户区和非客户区-C711-screen graphics and printing equipment for the configuration environment MFC Class C721 for ready printing devices and print parameters for the C731 automatical

MFC下绘图功能的实现，是用鼠标实现，在Visual C++借助多种画刷工具-MFC drawing functions under implementation, with the mouse, multiple brush tools in Visual C++ With