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>>

Article
Establishing a Dialog   1 Mar, 1999

Dialog boxes are not difficult, but they are different and do require a basic understanding of how they work.More>>

Article
Details, Details, Details...   1 Jan, 1999

When producing a plan, whether it is for a part to be manufactured, a site layout or a highway bridge, there are a lot of details.More>>

Article
Making Entmake Work for You   1 Nov, 1998

Program ListingsMore>>

Article
The Year 2000: No Problem, Man   1 Sep, 1998

Program ListingsMore>>

Article
The Choice is Yours   1 Jul, 1998

This month, we depart from the normal discussion of how to program an application and, instead, look into the available application programmer interfaces (APIs).More>>