Column: Programmer's Toolbox
When a Line Is Not Just a Line   31 Aug, 2003

What makes a CAD drawing special?More>>

Parametrics-Driven Drawings   30 Jun, 2003

Can one drive an AutoCAD drawing from an Excel spreadsheet? The answer is a resounding "Yes!"More>>

AutoCAD Driving Lessons   30 Apr, 2003

When programming AutoCAD applications using VBA, there is a conflict that sometimes manifests itself.More>>

Comparing Visual LISP to PowerCAD's FLISP   28 Feb, 2003

The LISP language has been an important part of AutoCAD since it first appeared over a decade ago. During that time hundreds of thousands of macros have been created that enhance the operation of AutoCAD.More>>

What's a Custom Object?   31 Dec, 2002

In the world of AutoCAD programming it is not uncommon to hear someone mention the term custom object.More>>