AutoLISP script for drawing smiley faces in AutoCAD. The original idea of this project was to write an introductory AutoLISP tutorial. I think understanding how to build a simple function that draws a ...

This library is created so that Common LISP standard functions can be used with AutoLISP. Since AutoLISP's standard functions are limited to the minimum necessary ones, to write a program, you often ...

By Xiaodong Liang Issue Can I gain access to the "Open File Dialog" (with preview) found only in AutoCAD with VBA? Solution You can do this through the communication interface with AutoLISP and ...

In much previous versions of AutoLISP and Visual LISP (VLISP), when an AutoLISP function terminated unexpectedly in the drawing editor, the entire expression would display on the screen, which made it ...