Можно ли создать свой тип обьектов с помощью LISP, VBA?

SharpLisp is a new Lisp programming tool that provides true compiling for use in AutoCADR and InventorR!
SharpLisp can compile stand-alone executables, AutoCAD Arx files, OMF for ADT, AutoCAD Dbx custom entities and Inventor Dlls. This greatly increases the speed of the stand-alone routines. SharpLisp provides all the user interface tools of ObjectDCL, the only replacement technology for DCL on the market, for all three runtime environments. SharpLisp also provides all the AutoLispR, VisualLispR functions plus a whole lot more like ObjectARX calls, Win32 calls, Classes (object orientated variables with their own properties and methods), faster ActiveX objects with event reactors and intelligent data look up tools. In AutoCADR SharpLisp provides tools like reactors, custom entities, and ObjectARX based functions.