Introduction - If you have any usage issues, please Google them yourself
AutoCAD is an open architecture system of common CAD platform, which provides an extensible programming framework, users can use the API for custom development. ObjectARX is a C++ language based on object-oriented development environment and application program interface, AutoCAD is the most powerful tools for custom development, this article, we introduce ObjectARX program structure and use, In this chapter you can use ObjectARX development of rapid, efficient, simple applications.