DG::FileDialog dlg (DG::FileDialog::OpenMultiFile);
    dlg.EnablePreview ();

    OpenNotesPanel customPanel (&dlg, ID_DLOG_CUSTOM_OFD);
    OpenNotesObserver observer (&customPanel, &dlg);

    dlg.AddFilterGroupChildren (FTM::RootGroup);
    dlg.AddFilter (FTM::UnknownType);               // Separator
    dlg.AddFilterTypeChildren (FTM::RootGroup);
    dlg.AddFilter (FTM::UnknownType);               // Separator
    dlg.AddFilter (FTM::RootGroup);                 // All types

    dlg.SelectFilter (1);

    dlg.SetTitle ("Custom Open File");
    dlg.SetOKButtonText ("Open!");
    dlg.SetCancelButtonText ("Cancel!");
    IO::Location defaultLoc;;
    IO::fileSystem.GetSpecialLocation (IO::FileSystem::UserLocalSettings, &defaultLoc);
    dlg.SetFolder (defaultLoc);
    dlg.SelectFile (IO::Location ("Text1.txt"));

    dlg.Invoke ();

예제의 설명.