void enumerateNodes(IBase* base)
{
    long hNode, ID, cnt, wght, attr;
    BSTR str;
    base->GetNodeEnumHandle(&hNode);

    for (base->GetNextNodeEx(hNode, &ID, &cnt, &wght, &attr, &str);
        ID != END_OF_ENUM;
        base->GetNextNodeEx(hNode, &ID, &cnt, &wght, &attr, &str))
    {
        wprintf(L"N:%li:%li:%li:%li\n", ID, cnt, wght, attr);

        long hNodeLink, brID, wght12, wght21;
        base->GetNodeLinkEnumHandle(ID, &hNodeLink);
        for (base->GetNextNodeLinkEx(hNodeLink, &brID, &cnt, &wght12, &wght21, &attr);
            brID != END_OF_ENUM;
            base->GetNextNodeLinkEx(hNodeLink, &brID, &cnt, &wght12, &wght21, &attr))
        {
            wprintf(L"E:%li:%li:%li:%li:%li:%li\n", ID, brID, cnt, wght12, wght21, attr);;
        }
        base->FreeNodeLinkEnumHandle(hNodeLink);
    }
    base->FreeNodeEnumHandle(hNode);
}