FWIW, MFC will be useless for a user on macOS.
The DevKit only supports using the Graphisoft provided dialog resource methods. For anything beyond that, I guess you are on your own. I think you either use the method provided or may fall back on using a Browser component and a Web UI.
--- stefan boeykens --- bim-expert-architect-engineer-musician ---
Archicad27/Revit2023/Rhino8/Unity/Solibri/Zoom
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