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STDMETHODIMP ComCar::QueryInterface(REFIID riid, void** ppInterface)
{
if(riid = = IID_IUnknown)
{
*ppInterface = (IUnknown*)(ICar*)this;
((IUnknown*)(*ppInterface))->AddRef();
return S_OK;
}
else if(riid = = IID_ICar)
{
*ppInterface = (ICar*)this;
((IUnknown*)(*ppInterface))->AddRef();
return S_OK;
}
else
{
*ppInterface = NULL;
return E_NOINTERFACE;
}
}