Introduction - If you have any usage issues, please Google them yourself
entry-level 2D CAD drawing procedures, including line drawing, Circle, Triangle painting, drawing rectangles, and pick up, translation, rotation, Mirror, and so on with detailed documentation to achieve ( "Computer Graphics," a book of a chapter)
Packet : 476514542d_smpcad.rar filelist
SmpCad.rar
第五章交互绘图简单原型系统实现bak.doc