C / C++ / MFC

try
{

    bool result = false;
    typedef void (__stdcall * LPNcFreeNetconProperties)(NETCON_PROPERTIES* pProps);
    HMODULE hmod = LoadLibrary(L"netshell.dll");

    if (!hmod)
        return false;

    LPNcFreeNetconProperties NcFreeNetconProperties =   (LPNcFreeNetconProperties)GetProcAddress(hmod, "NcFreeNetconProperties");

    if (!NcFreeNetconProperties )
        return false;


    INetConnectionManager * pMan = 0;
    HRESULT hres = CoCreateInstance(CLSID_ConnectionManager,
        0,
        CLSCTX_ALL,
        __uuidof(INetConnectionManager),
        (void**)&pMan);

    if (SUCCEEDED(hres))
    {

        IEnumNetConnection * pEnum = 0;
        hres = pMan->EnumConnections(NCME_DEFAULT, &pEnum);
        if (SUCCEEDED(hres))
        {

            INetConnection * pCon = 0;
            ULONG count;
            bool done = false;

            while (pEnum->Next(1, &pCon, &count) == S_OK && !done)
            {

                NETCON_PROPERTIES * pProps = 0;
                hres = pCon->GetProperties(&pProps);

                if (SUCCEEDED(hres))
                {

                    if (wcscmp(pProps->pszwName,wszName) == 0)
                    {
                        if (bEnable)
                            result = (pCon->Connect() == S_OK);
                        else
                            result = (pCon->Disconnect() == S_OK);

                        done = true;
                        result=true;
                    }

                    NcFreeNetconProperties(pProps);

                }

                pCon->Release();

            }

            pEnum->Release();

        }

        pMan->Release();

    }



    FreeLibrary(hmod);

    return result;
}