It appears to have been added in the Windows 10 October 2018 update, at least as a publically supported API. https://docs.microsoft.com/en-us/windows/desktop/a

It appears to have been added in the Windows 10 October 2018 update, at least as a publically supported API. https://docs.microsoft.com/en-us/windows/desktop/api/projectedfslib/nc-projectedfslib-prj_query_file_name_cb https://docs.microsoft.com/en-us/windows/desktop/api/project... "Minimum supported client: Windows 10, version 1809 [desktop apps only]"