自学教程：C++ IsEqualIID函数代码示例

/****************************************************************************  IShellBrowserImpl_QueryInterface*/static HRESULT WINAPI IShellBrowserImpl_QueryInterface(IShellBrowser *iface,                                            REFIID riid,                                            LPVOID *ppvObj){    IShellBrowserImpl *This = (IShellBrowserImpl *)iface;    TRACE("(%p)/n/t%s/n", This, debugstr_guid(riid));    *ppvObj = NULL;    if(IsEqualIID(riid, &IID_IUnknown))          /*IUnknown*/    { *ppvObj = This;    }    else if(IsEqualIID(riid, &IID_IOleWindow))  /*IOleWindow*/    { *ppvObj = This;    }    else if(IsEqualIID(riid, &IID_IShellBrowser))  /*IShellBrowser*/    { *ppvObj = This;    }    else if(IsEqualIID(riid, &IID_ICommDlgBrowser))  /*ICommDlgBrowser*/    { *ppvObj = &(This->lpVtblCommDlgBrowser);    }    else if(IsEqualIID(riid, &IID_IServiceProvider))  /* IServiceProvider */    { *ppvObj = &(This->lpVtblServiceProvider);    }    if(*ppvObj)    { IUnknown_AddRef( (IShellBrowser*) *ppvObj);      return S_OK;    }    FIXME("Unknown interface requested/n");    return E_NOINTERFACE;}

static HRESULT WINAPI BmpFrameDecode_QueryInterface(IWICBitmapFrameDecode *iface, REFIID iid,    void **ppv){    BmpDecoder *This = impl_from_IWICBitmapFrameDecode(iface);    TRACE("(%p,%s,%p)/n", iface, debugstr_guid(iid), ppv);    if (!ppv) return E_INVALIDARG;    if (IsEqualIID(&IID_IUnknown, iid) ||        IsEqualIID(&IID_IWICBitmapSource, iid) ||        IsEqualIID(&IID_IWICBitmapFrameDecode, iid))    {        *ppv = &This->IWICBitmapFrameDecode_iface;    }    else    {        *ppv = NULL;        return E_NOINTERFACE;    }    IUnknown_AddRef((IUnknown*)*ppv);    return S_OK;}

static HRESULT WINAPI ShellDispatch_QueryInterface(IShellDispatch2 *iface,        REFIID riid, LPVOID *ppv){    ShellDispatch *This = impl_from_IShellDispatch2(iface);    TRACE("(%p,%p,%p)/n", iface, riid, ppv);    if (!ppv) return E_INVALIDARG;    if (IsEqualIID(&IID_IUnknown, riid) ||        IsEqualIID(&IID_IDispatch, riid) ||        IsEqualIID(&IID_IShellDispatch, riid) ||        IsEqualIID(&IID_IShellDispatch2, riid))        *ppv = This;    else    {        FIXME("not implemented for %s/n", shdebugstr_guid(riid));        *ppv = NULL;        return E_NOINTERFACE;    }    IShellDispatch2_AddRef(iface);    return S_OK;}

STDAPI DllGetClassObject(REFCLSID rclsid, REFIID riid, LPVOID *ppvOut){    ODS("In DllGetClassObject");    *ppvOut = NULL;    if (IsEqualIID(rclsid, CLSID_ShellExtension))    {        CShellExtClassFactory *pcf = new CShellExtClassFactory;        return pcf->QueryInterface(riid, ppvOut);    }    return CLASS_E_CLASSNOTAVAILABLE;}

static HRESULT WINAPI FolderImpl_QueryInterface(Folder3 *iface, REFIID riid,        LPVOID *ppv){    FolderImpl *This = impl_from_Folder(iface);    TRACE("(%p,%p,%p)/n", iface, riid, ppv);    if (!ppv) return E_INVALIDARG;    if (IsEqualIID(&IID_IUnknown, riid) ||        IsEqualIID(&IID_IDispatch, riid) ||        IsEqualIID(&IID_Folder, riid) ||        IsEqualIID(&IID_Folder2, riid) ||        IsEqualIID(&IID_Folder3, riid))        *ppv = This;    else    {        FIXME("not implemented for %s/n", shdebugstr_guid(riid));        *ppv = NULL;        return E_NOINTERFACE;    }    IUnknown_AddRef((IUnknown*)*ppv);    return S_OK;}

/************************************************************************** *  IExtractIconW::QueryInterface */static HRESULT WINAPI IExtractIconW_fnQueryInterface(IExtractIconW *iface, REFIID riid,        void **ppv){    IExtractIconWImpl *This = impl_from_IExtractIconW(iface);    TRACE("(%p)->(/n/tIID:/t%s,%p)/n", This, debugstr_guid(riid), ppv);    *ppv = NULL;    if (IsEqualIID(riid, &IID_IUnknown) || IsEqualIID(riid, &IID_IExtractIconW))        *ppv = iface;    else if (IsEqualIID(riid, &IID_IPersistFile))        *ppv = &This->IPersistFile_iface;    else if (IsEqualIID(riid, &IID_IExtractIconA))        *ppv = &This->IExtractIconA_iface;    if(*ppv)    {        IUnknown_AddRef((IUnknown*)*ppv);        TRACE("-- Interface: (%p)->(%p)/n", ppv, *ppv);        return S_OK;    }    TRACE("-- Interface: E_NOINTERFACE/n");    return E_NOINTERFACE;}

HRESULT WINAPI QISearch(void *base, const QITAB *table, REFIID riid, void **obj){    const QITAB *ptr;    IUnknown *unk;    TRACE("%p, %p, %s, %p/n", base, table, debugstr_guid(riid), obj);    if (!obj)        return E_POINTER;    for (ptr = table; ptr->piid; ++ptr)    {        TRACE("trying (offset %d) %s/n", ptr->dwOffset, debugstr_guid(ptr->piid));        if (IsEqualIID(riid, ptr->piid))        {            unk = (IUnknown *)((BYTE *)base + ptr->dwOffset);            TRACE("matched, returning (%p)/n", unk);            *obj = unk;            IUnknown_AddRef(unk);            return S_OK;        }    }    if (IsEqualIID(riid, &IID_IUnknown))    {        unk = (IUnknown *)((BYTE *)base + table->dwOffset);        TRACE("returning first for IUnknown (%p)/n", unk);        *obj = unk;        IUnknown_AddRef(unk);        return S_OK;    }    WARN("Not found %s./n", debugstr_guid(riid));    *obj = NULL;    return E_NOINTERFACE;}

STDMETHODIMP CDragSource::QueryInterface(REFIID riid, LPVOID* ppvOut){*ppvOut = NULL;//IUnknownif(IsEqualIID(riid, IID_IUnknown))   {   *ppvOut = this;   }//IDropSourceelse if(IsEqualIID(riid, IID_IDropSource))   {   *ppvOut = (IDropSource*)this;   }if(*ppvOut)   {   (*(LPUNKNOWN*)ppvOut)->AddRef();   return S_OK;   }return E_NOINTERFACE;}

static HRESULT WINAPI ActiveIMMApp_QueryInterface (IActiveIMMApp* iface,        REFIID iid, LPVOID *ppvOut){    ActiveIMMApp *This = impl_from_IActiveIMMApp(iface);    *ppvOut = NULL;    if (IsEqualIID(iid, &IID_IUnknown) || IsEqualIID(iid, &IID_IActiveIMMApp))    {        *ppvOut = This;    }    else if (IsEqualIID(iid, &IID_IActiveIMMMessagePumpOwner))    {        *ppvOut = &This->IActiveIMMMessagePumpOwner_iface;    }    if (*ppvOut)    {        IUnknown_AddRef(iface);        return S_OK;    }    WARN("unsupported interface: %s/n", debugstr_guid(iid));    return E_NOINTERFACE;}

static HRESULT WINAPI IUnknownImpl_QueryInterface(IUnknown *iface, REFIID riid, void **ppv){    IDirectSoundCaptureImpl *This = impl_from_IUnknown(iface);    TRACE("(%p,%s,%p)/n", This, debugstr_guid(riid), ppv);    if (!ppv) {        WARN("invalid parameter/n");        return E_INVALIDARG;    }    *ppv = NULL;    if (IsEqualIID(riid, &IID_IUnknown))        *ppv = &This->IUnknown_inner;    else if (IsEqualIID(riid, &IID_IDirectSoundCapture))        *ppv = &This->IDirectSoundCapture_iface;    else {        WARN("unknown IID %s/n", debugstr_guid(riid));        return E_NOINTERFACE;    }    IUnknown_AddRef((IUnknown*)*ppv);    return S_OK;}

static HRESULT WINAPI KsPropertySet_Get(IKsPropertySet *iface, REFGUID guidPropSet, DWORD dwPropID,        LPVOID pInstanceData, DWORD cbInstanceData, LPVOID pPropData, DWORD cbPropData, DWORD *pcbReturned){    test_filter *This = impl_from_IKsPropertySet(iface);    check_calls_list("KsPropertySet_Get", KSPROPERTYSET_GET, This->filter_type);    ok(IsEqualIID(guidPropSet, &AMPROPSETID_Pin), "guidPropSet = %s/n", debugstr_guid(guidPropSet));    ok(dwPropID == 0, "dwPropID = %d/n", dwPropID);    ok(pInstanceData == NULL, "pInstanceData != NULL/n");    ok(cbInstanceData == 0, "cbInstanceData != 0/n");    ok(cbPropData == sizeof(GUID), "cbPropData = %d/n", cbPropData);    *pcbReturned = sizeof(GUID);    memcpy(pPropData, &PIN_CATEGORY_EDS, sizeof(GUID));    return S_OK;}

/*** IDataInitialize methods ***/static HRESULT WINAPI datainit_GetDataSource(IDataInitialize *iface, IUnknown *pUnkOuter, DWORD dwClsCtx,                                LPWSTR pwszInitializationString, REFIID riid, IUnknown **ppDataSource){    datainit *This = impl_from_IDataInitialize(iface);    FIXME("(%p)->(%p %d %s %s %p)/n", This, pUnkOuter, dwClsCtx, debugstr_w(pwszInitializationString),            debugstr_guid(riid), ppDataSource);    if(IsEqualIID(riid, &IID_IDBInitialize))    {        return create_db_init( (LPVOID*)ppDataSource);    }    return E_NOTIMPL;}

static HRESULT WINAPIPSFacBuf_CreateStub(    LPPSFACTORYBUFFER iface, REFIID riid,IUnknown *pUnkServer,    IRpcStubBuffer** ppStub) {    HRESULT hres;    TRACE("(%s,%p,%p)/n",debugstr_guid(riid),pUnkServer,ppStub);    if (IsEqualIID(&IID_IClassFactory, riid) ||        IsEqualIID(&IID_IUnknown, riid) /* FIXME: fixup stub manager and remove this*/) {	hres = CFStub_Construct(ppStub);	if (!hres)	    IRpcStubBuffer_Connect((*ppStub),pUnkServer);	return hres;    } else if (IsEqualIID(&IID_IRemUnknown,riid)) {	hres = RemUnkStub_Construct(ppStub);	if (!hres)	    IRpcStubBuffer_Connect((*ppStub),pUnkServer);	return hres;    }    FIXME("stubbing not implemented for (%s) yet!/n",debugstr_guid(riid));    return E_FAIL;}

static HRESULT WINAPI StdMediaSample2_QueryInterface(IMediaSample2 * iface, REFIID riid, LPVOID * ppv){    StdMediaSample2 *This = (StdMediaSample2 *)iface;    TRACE("(%s, %p)/n", qzdebugstr_guid(riid), ppv);    *ppv = NULL;    if (IsEqualIID(riid, &IID_IUnknown))        *ppv = This;    else if (IsEqualIID(riid, &IID_IMediaSample))        *ppv = This;    else if (IsEqualIID(riid, &IID_IMediaSample2))        *ppv = This;    if (*ppv)    {        IUnknown_AddRef((IUnknown *)(*ppv));        return S_OK;    }    FIXME("No interface for %s!/n", qzdebugstr_guid(riid));    return E_NOINTERFACE;}

/* DirectMusicStyle8Impl IDirectMusicStyle8 part: */static HRESULT WINAPI IDirectMusicStyle8Impl_QueryInterface(IDirectMusicStyle8 *iface, REFIID riid,        void **ret_iface){    IDirectMusicStyle8Impl *This = impl_from_IDirectMusicStyle8(iface);    TRACE("(%p, %s, %p)/n", This, debugstr_dmguid(riid), ret_iface);    *ret_iface = NULL;    if (IsEqualIID(riid, &IID_IUnknown) || IsEqualIID(riid, &IID_IDirectMusicStyle) ||            IsEqualIID(riid, &IID_IDirectMusicStyle8))        *ret_iface = iface;    else if (IsEqualIID(riid, &IID_IDirectMusicObject))        *ret_iface = &This->ObjectVtbl;    else if (IsEqualIID(riid, &IID_IPersistStream))        *ret_iface = &This->PersistStreamVtbl;    else {        WARN("(%p, %s, %p): not found/n", This, debugstr_dmguid(riid), ret_iface);        return E_NOINTERFACE;    }    IUnknown_AddRef((IUnknown*)*ret_iface);    return S_OK;}

STDAPI DllGetClassObject( REFCLSID rclsid, REFIID riid, LPVOID *ppv ){	*ppv = NULL;	if (IsEqualIID(rclsid, CLSID_HashCheck))	{		LPCHASHCHECKCLASSFACTORY lpHashCheckClassFactory = new CHashCheckClassFactory;		if (lpHashCheckClassFactory == NULL) return(E_OUTOFMEMORY);		HRESULT hr = lpHashCheckClassFactory->QueryInterface(riid, ppv);		lpHashCheckClassFactory->Release();		return(hr);	}	return(CLASS_E_CLASSNOTAVAILABLE);}

static HRESULT STDMETHODCALLTYPEIDeskMonitor_IClassFactory_CreateInstance(IClassFactory *iface,                                          IUnknown * pUnkOuter,                                          REFIID riid,                                          PVOID *ppvObject){    if (pUnkOuter != NULL &&        !IsEqualIID(riid,                    &IID_IUnknown))    {        return CLASS_E_NOAGGREGATION;    }    return IDeskMonitor_Constructor(riid,                                    ppvObject);}

	// IUnknownHRESULT STDMETHODCALLTYPE EnumDragDropFormats::QueryInterface(REFIID riid, void **ppvObject){	if (IsEqualIID(riid, IID_IEnumFORMATETC))	{		*ppvObject = static_cast<IEnumFORMATETC *>(this);	}    else    {        *ppvObject = NULL;        return E_NOINTERFACE;    }    AddRef();    return S_OK;}

// This is called by IE to notify us of events// http://msdn.microsoft.com/en-us/library/aa768283(VS.85).aspxSTDMETHODIMP CEventSink::Invoke(DISPID dispIdMember,REFIID riid,LCID lcid,WORD wFlags,DISPPARAMS *pDispParams,VARIANT *pVarResult,EXCEPINFO *pExcepInfo,UINT *puArgErr){	UNREFERENCED_PARAMETER(lcid);	UNREFERENCED_PARAMETER(wFlags);	UNREFERENCED_PARAMETER(pVarResult);	UNREFERENCED_PARAMETER(pExcepInfo);	UNREFERENCED_PARAMETER(puArgErr);	if(!IsEqualIID(riid,IID_NULL)) return DISP_E_UNKNOWNINTERFACE; // riid should always be IID_NULL	/*Order:[6184] HTTPSEverywhere DISPID_COMMANDSTATECHANGE[6184] HTTPSEverywhere DISPID_COMMANDSTATECHANGE[6184] HTTPSEverywhere DISPID_DOWNLOADCOMPLETE[6184] HTTPSEverywhere DISPID_COMMANDSTATECHANGE[6184] HTTPSEverywhere DISPID_NAVIGATECOMPLETE2*/		if(dispIdMember == DISPID_DOCUMENTCOMPLETE) { // DWebBrowserEvents2::DocumentComplete		//Debug::Log("DISPID_DOCUMENTCOMPLETE");		CheckForUpdate();	}	else if(dispIdMember==DISPID_NAVIGATECOMPLETE2) { // DWebBrowserEvents2::NavigateComplete2		Debug::Log("DISPID_NAVIGATECOMPLETE2");		AttachEvent(pDispParams->rgvarg[1].pdispVal); // helps a bit but not enough for HTTP script	}	else if (dispIdMember==DISPID_WINDOWSTATECHANGED) {		//Debug::Log("DISPID_WINDOWSTATECHANGED");		DWORD dwMask = pDispParams->rgvarg[0].lVal;		DWORD dwFlags = pDispParams->rgvarg[1].lVal;		// Is tab visible?		if (dwMask & OLECMDIDF_WINDOWSTATE_USERVISIBLE) {			visible = dwFlags & OLECMDIDF_WINDOWSTATE_USERVISIBLE;		}	}	/*else if (dispIdMember==DISPID_ONQUIT) {		Debug::Log("ONQUIT");		//WinInetRemoveHooks();		//Debug::Log("Wininet hook removed");	}*/	return S_OK;}

/*********************************************************************** *             DllGetClassObject ([email
C++ IsEquivalent函数代码示例
C++ IsEqualGUID函数代码示例