Introduction - If you have any usage issues, please Google them yourself
This book introduced in the form of examples of using Visual C# language for AutoCAD secondary development of technology. The book is in two parts, including the basis of papers and application papers which Basics introduces common graphic objects for AutoCAD development, graphics rendering, graphics editor instance, the application of major combination of practical engineering problems, based on the mathematical theory of knowledge, the use of program design to solve these problems.