Контрольная работа: Распределенная обработка данных

trace("Client: Polychit' ykazatel na IY");

IY* pIY = NULL;

hr = pIUnknown->QueryInterface(IID_IY, (void**)&pIY);

if (SUCCEEDED(hr))

{

trace("Client: IY polychen");

pIY->Fy(); // Использовать интерфейс IY

}

trace("Client: Zaprosit' nepodderjivaemuy interface");

IZ* pIZ = NULL;

hr = pIUnknown->QueryInterface(IID_IZ, (void**)&pIZ);

if (SUCCEEDED(hr))

{

trace("Client: Interface IZ polychen");

pIZ->Fz();

}

else

{

trace("Client: No Interface IZ");

}

trace("Client: Polychit' Interface IY cherez Interface IX");

IY* pIYfromIX = NULL;

hr = pIX->QueryInterface(IID_IY, (void**)&pIYfromIX);

if (SUCCEEDED(hr))

{

trace("Client: IY polychen");

pIYfromIX->Fy();

}

trace("Client: Polechit' Interface IUnknown cherez IY");