I need convert a few "learning autoLisp R14 samples" in the source C# with "simulate" of functions autolisp in C# I post here one source examples.. The words "simulate" at means ,you replace the words "//simulateHERE" with source C# in the file add_sum.cs and function lispR14 (lspfn_entget, lspfn_cdr, lspfn_prompt,lspfn_princ,lspfn_setq become methods of classObject named "pp_addsum") You transform the source autolisp to small C# source and (all necesary files project extension name .vjproj, .cs) All files from project files must have path on disk L:\0User\ You must use the alternative compilator(you select one http://www.icsharpcode.net/OpenSource/SD/ http://www.mono-project.com/Main_Page or you use other freeware compilator C#. You convert the autolisp to C# in five steps: 1) convert one defun lisp to .cpp you donwloading the kit: http://fisierulmeu.ro/41AZ5CKIDWPV/VLAXCOMPILER0-51-zip.html 2)convert .cpp to c# in the file add_sum.cs 3)you put all file in the folder L:\0User 4)you create the file compila.bat in the folder L:\0User cls echo.. this batch file compile automatic all files at MsDos line command echo.. downloading http://www.mono-project.com/Main_Page devstudio.exe L:\0User\add_sum.cs pause exit echo end of file .batch ** 5)User enter the command DEMOLISP at line command You known DCL in C# (simple dialog box) Totally 10-15 simples sources autolisp Title: Convert "autolisp learning R14" to projects C# autocad