แก้ไขข้อมูลเมตา PPSX ด้วย C++

auto presentation = MakeObject<Presentation>(u"presentation.ppsx");
auto documentProperties = presentation->get_DocumentProperties();

documentProperties->set_Author(u"New Author");
documentProperties->set_Title(u"New Title");

presentation->Save(u"updated-presentation.ppsx", SaveFormat::Ppsx);
presentation->Dispose();

auto presentation = MakeObject<Presentation>(u"presentation.ppsx");
auto documentProperties = presentation->get_DocumentProperties();

documentProperties->idx_set(u"Department", ObjectExt::Box<String>(u"Sales"));
documentProperties->idx_set(u"Project", ObjectExt::Box<String>(u"Metadata Update"));
documentProperties->idx_set(u"Revision", ObjectExt::Box<int32_t>(3));

auto customPropertyName = documentProperties->GetCustomPropertyName(2);
documentProperties->RemoveCustomProperty(customPropertyName);

presentation->Save(u"updated-custom-properties.ppsx", SaveFormat::Ppsx);
presentation->Dispose();