cadalyst
Column: Programmer's Toolbox
Article
Working with Extended Data in VBA and AutoLISP   1 Jan, 2000

Have you ever wanted to attach additional information to existing AutoCAD entity objects? Perhaps material properties, loading limits or construction details? If so, then you should consider the use of extended data.More>>

Article
Associating Lists and Dialog Box List Boxes   1 Nov, 1999

One of the more frequently asked questions by AutoLISP programmers who are learning about dialog boxes is how to associate a dialog list box with an AutoLISP data list.More>>

Article
Reactors-Making Aware Programs   1 Sep, 1999

To make an application aware of program events, use the tools in Visual LISP called reactors.More>>

Article
Lightweight Polylines   1 Jul, 1999

AutoCAD R14 introduced a new object named a lightweight polyline that replaces the complex polyline object.More>>

Article
Dialog Box Programming Concepts   1 May, 1999

Dialog-box interfaces can make a world of difference in how well the user community accepts an application.More>>