Good grief! Apparently this was such a good question, I already asked it once before here:
https://talk.remobjects.com/t/can-i-get-class-creation-to-work-like-it-used-to/16832
I guess this is what happens when you retire. 
I’m finally getting back to doing something that I’d like to program. I’m trying to make a better UI for my Insteon devices. The Insteon UI sucks and they don’t seem to do much new work on it or fix stuff. So I’m trying to do it myself with their API. Hence my getting back into coding and bumping up against the same thing as before 