数字图像处理，单文档、打开、打印、放大、缩小等功能，虽然简单，但代码规范！-Digital image processing, a single document, open, print, zoom and other functions, is simple, but the code specifications!

基于MFC的文档打印程序，有打印预览功能，图标有所优化-MFC-based document printing procedures, the print preview function, the icon has been optimized