Learn AutoLISP for AutoCAD productivity
What is AutoLISP?
AutoLISP is a programming language designed specifically for use with the full version of AutoCAD (i.e. it does not work with AutoCAD LT). AutoLISP is one of a number of Application Programming Interfaces (APIs) built into AutoCAD but it is probably the easiest to use and therefore the most productive for the beginner. If you'd like to learn how to use AutoLISP to improve productivity, you're in the right place.
AfraLISP will help you get to grips with AutoLISP as quickly and easily as possible using some great tutorials for beginners. But the site also contains many intermediate and advanced AutoLISP tutorials to take you much further than the basics. In addition, AfraLISP provides DCL Tutorials (Dialog Control Language), Visual LISP tutorials, VBA Tutorials and AutoCAD customization tutorials in case you'd like to take your AutoLISP and AutoCAD programming to the next level.
Beginners Start Here
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Tip of the Day
This will display the length of most entities :
;Coding starts here (defun c:lg ( / x_object x_length) (vl-load-com) (setq x_object (entsel)) (setq x_object (vlax-Ename->Vla-Object (car x_object))) (setq x_length (vlax-curve-getdistatparam x_object (vlax-curve-getendparam x_object ))) (alert (strcat "Length = " (rtos x_length))) (princ) );defun (princ) ;Coding ends here
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