AutoCAD二次开发中非图形对象的实现方法

The study of the AutoCAD nongraphical objects techniques

论述AutoCAD2 0 0 0图形数据库结构 ,以及利用ObjectARX实现非图形对象的创建 ,以及与图形对象的关联 ,并通过具体的程序实例来说明 。

This paper introduce the structure of the AcDbDatabase and the methods of how to create the nongraphical objects. At the same time, the relevant programme is presented. The practice shows that the mentioned methods are useful to construct the AcDbDatabase.