用vc结合objectarx对autocad二次开发，输入cad命令生产圆和直线，并能让图形实现镜像，偏置。,Vc ObjectARX combination with the secondary development of autocad, cad command input circular and straight-line production, and graphics can achieve mirroring, bias.

vc++开发arx,用于cad二次开发,这个是讲如何调用函数的-Vc++ development arx for cad secondary development, this is about how to call a function

vc++开发arx,用于cad二次开发,这个是讲如何调用函数的-Vc++ development arx for cad secondary development, this is about how to call a function

vc++开发arx,用于cad二次开发,这个是讲实体选择等,不错的(Vc + + development arx for cad secondary development, and this is the entity selection, good)