AutoCAD 是采用开放架构体系

的通用CAD 平台,它提供一个可

扩展的编程框架，用户可以使用

API进行定制开发。ObjectARX

是以C++语言为基础的面向对象

的开发环境和应用程序接口，也

是AutoCAD 最为强大的定制开发

工具，本篇我们介绍ObjectARX

的程序架构和使用方法，通过本

章的学习可以使用ObjectARX

开发快速、高效、简洁的应用程序。-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.