Convertir PST en MSG en C++

// Load the Outlook PST file
System::SharedPtr<PersonalStorage> personalStorage = PersonalStorage::FromFile(dataDir + L"SampleContacts.pst");
// Get the Contacts folder
System::SharedPtr<FolderInfo> folderInfo = personalStorage->get_RootFolder()->GetSubFolder(L"Contacts");
// Loop through all the contacts in this folder
System::SharedPtr<MessageInfoCollection> messageInfoCollection = folderInfo->GetContents();
   
{
    auto messageInfo_enumerator = (messageInfoCollection)->GetEnumerator();
    decltype(messageInfo_enumerator->get_Current()) messageInfo;
    while (messageInfo_enumerator->MoveNext() && (messageInfo = messageInfo_enumerator->get_Current(), true))
    {
        // Get the contact information
        System::SharedPtr<MapiMessage> mapi = personalStorage->ExtractMessage(messageInfo);
       
        System::SharedPtr<MapiContact> contact = System::DynamicCast<Aspose::Email::Outlook::MapiContact>(mapi->ToMapiMessageItem());
       
        // Save to disk in MSG format
        if (contact->get_NameInfo()->get_DisplayName() != nullptr)
        {
            System::SharedPtr<MapiMessage> message = personalStorage->ExtractMessage(messageInfo);
            // Get rid of illegal characters that cannot be used as a file name
            System::String messageName = message->get_Subject().Replace(L":", L" ").Replace(L"\\", L" ").Replace(L"?", L" ").Replace(L"/", L" ");
            message->Save(dataDir + L"Contacts\\" + messageName + L"_out.msg");
        }
    }
}