RegistryHelper::getGuidString

wstring RegistryHelper::getGuidString(GUID guid)
{
    wchar_t* temp;
    if (FAILED(StringFromCLSID(guid, &temp)))
        throw RegistryException(L"Could not convert GUID to string");
    std::wstring result(temp);
    CoTaskMemFree(temp);

    return result;
}