//+-------------------------------------------------------------------------
//
// Microsoft Windows
// Copyright (C) Microsoft Corporation, 1992 - 1992.
//
// File: cqi.cxx
//
// Contents: implementations for QueryInterface test
//
// Functions:
// CQI::CQI
// CQI::~CQI
// CQI::QueryInterface
// CQI::GetClassForHandler
//
// History: 06-Aug-92 Rickhi Created
//
//--------------------------------------------------------------------------
#include <pch.cxx>
#pragma hdrstop
#include <cqi.hxx> // class definition
//+-------------------------------------------------------------------------
//
// Method: CQI::CQI
//
// Synopsis: Creates an instance of CQI
//
// History: 06-Aug-92 Rickhi Created
//
//--------------------------------------------------------------------------
CQI::CQI(REFCLSID rclsid) : _clsid(rclsid)
{
Display(TEXT("CQI created.\n"));
GlobalRefs(TRUE);
ENLIST_TRACKING(CQI);
}
//+-------------------------------------------------------------------------
//
// Method: CQI::~CQI
//
// Synopsis: Cleans up object
//
// History: 06-Aug-92 Rickhi Created
//
//--------------------------------------------------------------------------
CQI::~CQI(void)
{
Display(TEXT("CQI deleted.\n"));
GlobalRefs(FALSE);
// automatic actions are enough
}
//+-------------------------------------------------------------------------
//
// Method: CQI::QueryInterface
//
// Synopsis: returns ptr to requested interface.
//
// DANGER: this returns SUCCESS on almost every interface,
// though the only valid methods on any interface are IUnknown
// and IStdMarshalInfo.
//
// Arguments: [riid] - interface instance requested
// [ppv] - where to put pointer to interface instance
//
// Returns: S_OK or E_NOINTERFACE
//
// History: 06-Aug-92 Rickhi Created
//
//--------------------------------------------------------------------------
STDMETHODIMP CQI::QueryInterface(REFIID riid, void **ppv)
{
if (IsEqualIID(riid, IID_IStdMarshalInfo))
{
if (IsEqualCLSID(_clsid, CLSID_QIHANDLER))
{
*ppv = (IStdMarshalInfo *)this;
AddRef();
return S_OK;
}
}
if (IsEqualIID(riid,IID_IUnknown) ||
IsEqualIID(riid,IID_IAdviseSink) ||
IsEqualIID(riid,IID_IDataObject) ||
IsEqualIID(riid,IID_IOleObject) ||
IsEqualIID(riid,IID_IOleClientSite) ||
IsEqualIID(riid,IID_IParseDisplayName) ||
IsEqualIID(riid,IID_IPersistStorage) ||
IsEqualIID(riid,IID_IPersistFile) ||
IsEqualIID(riid,IID_IStorage) ||
IsEqualIID(riid,IID_IOleContainer) ||
IsEqualIID(riid,IID_IOleItemContainer) ||
IsEqualIID(riid,IID_IOleInPlaceSite) ||
IsEqualIID(riid,IID_IOleInPlaceActiveObject) ||
IsEqualIID(riid,IID_IOleInPlaceObject) ||
IsEqualIID(riid,IID_IOleInPlaceUIWindow) ||
IsEqualIID(riid,IID_IOleInPlaceFrame) ||
IsEqualIID(riid,IID_IOleWindow))
{
*ppv = (void *)(IUnknown *) this;
AddRef();
return S_OK;
}
*ppv = NULL;
return E_NOINTERFACE;
}
//+-------------------------------------------------------------------------
//
// Method: CQI::GetClassForHandler
//
// Synopsis: returns the classid for the inproc handler of this object.
// Used to test handler marshaling.
//
// History: 06-Aug-92 Rickhi Created
//
//--------------------------------------------------------------------------
STDMETHODIMP CQI::GetClassForHandler(DWORD dwDestContext,
void *pvDestContext,
CLSID *pClsid)
{
*pClsid = CLSID_QIHANDLER;
return S_OK;
}
