Comparative Study on Secondary Development Methods of AutoCAD: Performance Comparison and Application of C#, VB, and ObjectARX

This paper explores methods and technologies for secondary development using AutoCAD in the field of drafting. By conducting an in-depth study of secondary development methods, the paper aims to enhance software customizability and scalability to meet specific design requirements across different industries. The focus is on three secondary development techniques, including programming languages and interfaces like ObjectARX, VB, and C#.NET. Specific application cases in the field of mechanical drafting are analyzed in detail.