This paper introduces OLE objects and their programming in SolidWorks,the best 3D CAD products on PC platform. It also explains how to use Delphi to actuate the secondary development of SolidWorks.

• 介绍了目前微机平台上的主流三维CAD系统SolidWorks的OLE对象及其编程方法，并通过实例说明利用开发工具Delphi对SolidWorks 进行二次开发的方法。