学习期间用VC++仿照别人写的开源CAD软件，源代码注释很详细，对VC++提高很有帮助-During the study modeled using VC++ written by someone else' s open source CAD software, source code comments in great detail, very helpful for VC++ to improve

yes this great look at this right now it is coding-yes this is great look at this right now it is coding