
36How to load or run an AutoLISP program inside AutoCAD
For AutoCAD users basically there are 2 ways to load customized program having extension *.lsp or *.fas in AutoCAD or any other CAD software’s.
Custom Program Development is a key area of specialization for REY Technologies. We provide custom programs to save your company countless hours of repetitive work & improve CAD productivity. We have worked on different domain drawings like electrical design/drafting, architectural, civil, survey, mechanical, contour maps and drainage system. We have expertise in converting VBA routines (which doesn’t work on the recent version) to AutoLISP. We can also update/modify old AutoLISP routines so that it will work in a more appropriate & faster way.
1. Using Load Application Window (APPLOAD Command)
Following video demonstration shows both methods of loading AutoLISP program inside AutoCAD.
AutoLISP is a dialect of the LISP programming language engineered to enable manipulation & customization of AutoCAD & other applications which is listed above.
f you have a set of custom programs that you use regularly, it would be tedious to have to load each and every program whenever a drawing is opened.
Using startup suite you can load program automatically on every startup of AutoCAD or similar CAD Software’s.
Following procedure shows how to add AutoLISP program in startup suite of AutoCAD.
1. Run APPLOAD command (alternatively, go to Tools » Load Application).
2. Following dialog box will appear then click on “Contents” button under Startup Suite category.

3. Second dialog box will appear which shown below you can press on “Add” button and all program in this dialog box.

4. After adding program press on “Close” button to exit.

All programs listed in the above panel will be loaded every time a drawing is opened.