*ppvObject = static_cast<IWebPreferencesPrivate5*>(this);
else if (IsEqualGUID(riid, IID_IWebPreferencesPrivate6))
*ppvObject = static_cast<IWebPreferencesPrivate6*>(this);
+ else if (IsEqualGUID(riid, IID_IWebPreferencesPrivate7))
+ *ppvObject = static_cast<IWebPreferencesPrivate7*>(this);
else if (IsEqualGUID(riid, CLSID_WebPreferences))
*ppvObject = this;
else