progeCAD AutoLISP Programming
progeCAD ships with the Developer Reference within the help files referring to the various programming APIs and functions supported by those APIs as well as sample programs to get you started. We also have community maintained AutoLISP Reference here in our progeWIKI.
DCL Programming Reference
Use DCL built into progeCAD to create your own dialog boxes with AutoLISP and the other progeCAD Programming API's.