里面包含一个完整的陶瓷梭式窑的CAD文件，以及相应的C语言开发的完整案例教程。-Which contains a complete ceramic shuttle kiln CAD ​ ​ files, and a complete case of the corresponding C-language development tutorial.

利用C#开发CAD的一些示例，来自于AutoCAD VBA & VB.NET开发基础与实例教程这本书。(Some examples of developing CAD with C#,base on <AutoCAD VBA & VB.NET development foundation and example tutoria>)

catia 二次开发教程，CAA(Component Application Architecture)C++是CATIA的一整套C++函数库，该函数库在CATIA运行时加载。用户通过安装RADE(Rapid Application Development Environment)模块，用户可以在VC++编程环境下编制程序，与CATIA进行通信。(CATIA secondary development course)