Actually MFC uses windows api, but this does not change anything, it is still 1997 API. And we are in year 2023 with worse UI, i would expect it to be in revers

Actually MFC uses windows api, but this does not change anything, it is still 1997 API. And we are in year 2023 with worse UI, i would expect it to be in reverse. "generally the simple stuff", no: https://docs.microsoft.com/en-us/cpp/mfc/media/mfc_heirarchy_chart1of3.png https://docs.microsoft.com/en-us/cpp/mfc/media/mfc_heirarchy... https://docs.microsoft.com/en-us/cpp/mfc/media/mfc_heirarchy_chart2of3.png https://docs.microsoft.com/en-us/cpp/mfc/media/mfc_heirarchy... https://docs.microsoft.com/en-us/cpp/mfc/media/mfc_heirarchy_chart3of3.png https://docs.microsoft.com/en-us/cpp/mfc/media/mfc_heirarchy... MFC had its set of problems which were related to things like passing messages between windows, but all those are on another level.