By the way, if anyone has a desire to rewrite the CADBase / CadbaseLibrary FreeCAD · GitLab addon for Blender, please contact me and we’ll discuss the remuneration.
Thank you for the reply!!!
I still haven’t figured out how to embed part of this window (filebrowser) into an addon, but the information definitely gets me closer to that goal.
You are, by the way, the first person to answer this question. I’ve asked it from time to time in different places. )))