C / C++ / MFC

for (i = lSLBound, j = 0; i <= lSUBound; ++i) {
            VARIANT varTemp;
            VariantInit(&varTemp);

            hr = SafeArrayGetElement(V_ARRAY(&var), &i, &varTemp);
            RETURN_ON_FAILURE(hr);

            if (VT_DISPATCH != V_VT(&varTemp))
            return E_ADS_CANT_CONVERT_DATATYPE;

            hr = V_DISPATCH(&varTemp)->QueryInterface(__uuidof(::IISMimeType),(void**) &pADMTs);
            RETURN_ON_FAILURE(hr);

            pADMTs->get_Extension(&bstrMimeExtension);
            pADMTs->get_MimeType(&bstrMimeType);
            printf("%ls -> %ls/n", (LPCWSTR) bstrMimeExtension, (LPCWSTR) bstrMimeType);

            // We can compare the stored values to new values to add here
            if (wcsncmp(bstrMimeExtension, pwszAddExtension, bstrMimeExtension.Length() == 0)) {
                --cVariants;
            }
            else {
                va.pa[j++] = varTemp; <-Dispatch=0x17a8458
            }

            VariantClear(&varTemp);

class CEntity : public CObject
{
    //...etc...
    CGuid GetId() const; // CGuid encapsulates GUID and the ::Unique<something> set of functions.
};

class CContact : public CEntity
{
    // ...etc...
};

class CMeeting : public CEntity
{
    // ...etc...
    CArray<CContact*> m_objParticipants;
};