Esempi in C++ (Cpp) per IClassFactory_fnConstructor

Esempio n. 1

File: netcfgx.c Progetto: RareHare/reactos

STDAPI
DllGetClassObject(
  REFCLSID rclsid,
  REFIID riid,
  LPVOID* ppv 
)
{
    UINT i;
    HRESULT	hres = E_OUTOFMEMORY;
    IClassFactory * pcf = NULL;	

    if (!ppv)
        return E_INVALIDARG;

    *ppv = NULL;

    for (i = 0; InterfaceTable[i].riid; i++) 
    {
        if (IsEqualIID(InterfaceTable[i].riid, rclsid)) 
        {
            pcf = IClassFactory_fnConstructor(InterfaceTable[i].lpfnCI, NULL, NULL);
            break;
        }
    }

    if (!pcf) 
    {
        return CLASS_E_CLASSNOTAVAILABLE;
    }

    hres = IClassFactory_QueryInterface(pcf, riid, ppv);
    IClassFactory_Release(pcf);

    return hres;
}

Esempio n. 2

File: dsound.c Progetto: GYGit/reactos

HRESULT
WINAPI
DllGetClassObject(
  REFCLSID rclsid,
  REFIID riid,
  LPVOID* ppv)
{
    LPOLESTR pStr, pStr2;
    UINT i;
    HRESULT	hres = E_OUTOFMEMORY;
    IClassFactory * pcf = NULL;	

    if (!ppv)
        return E_INVALIDARG;

    *ppv = NULL;

    for (i = 0; InterfaceTable[i].riid; i++) 
    {
        if (IsEqualIID(InterfaceTable[i].riid, rclsid)) 
        {
            pcf = IClassFactory_fnConstructor(InterfaceTable[i].lpfnCI, NULL, NULL);
            break;
        }
    }

    if (!pcf) 
    {
        StringFromIID(rclsid, &pStr);
        StringFromIID(riid, &pStr2);
        DPRINT("No Class Available for %ws IID %ws\n", pStr, pStr2);
        CoTaskMemFree(pStr);
        CoTaskMemFree(pStr2);
        //ASSERT(0);
        return CLASS_E_CLASSNOTAVAILABLE;
    }

    hres = IClassFactory_QueryInterface(pcf, riid, ppv);
    IClassFactory_Release(pcf);

    return hres;
}