Unicode symbols are replaced with ?.
To reproduce, create an Ole object, set_SubstitutePictureTitle with a unicode string and save presentation.
auto pres = System::MakeObject<Slides::Presentation>();
auto slide = …...Product Family slides-cpp , slides-ole ezolenko February 2, 2024, 9:32pm...with ?. To reproduce, create an ole object, set_SubstitutePictureTit...