Visual LISP Extensions to AutoLISP Reference (AutoLISP)

The extended AutoLISP functions provided with VLISP consist of curve measurement, data conversion, object-handling, property-handling, collection manipulation, and dictionary-handling functions. The function names are prefixed with vlax-. These functions are in addition to the ActiveX ® methods provided through vla-* functions.

Note: Before you can use the AutoLISP extensions, you must issue the following function:

(vl-load-com)

The vl-load-com function also initializes ActiveX support for AutoLISP.