windows-nt/Source/XPSP1/NT/base/cluster/wmiprovider/provfactory.h

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2020-09-26 03:20:57 -05:00
//////////////////////////////////////////////////////////////////////////////
//
// Copyright (c) 1999-2000 Microsoft Corporation
//
// Module Name:
// ProvFactory.h
//
// Implementation File:
// ProvFactory.cpp
//
// Description:
// Definition of the CProvFactory class.
//
// Author:
// Henry Wang (HenryWa) 24-AUG-1999
//
// Notes:
//
/////////////////////////////////////////////////////////////////////////////
#pragma once
//////////////////////////////////////////////////////////////////////////////
// Include Files
//////////////////////////////////////////////////////////////////////////////
#include "InstanceProv.h"
typedef HRESULT ( * PFNCREATEINSTANCE )(
IUnknown *,
VOID **
);
struct FactoryData
{
const CLSID * m_pCLSID;
PFNCREATEINSTANCE pFnCreateInstance;
LPCWSTR m_pwszRegistryName;
}; //*** struct FactoryData
/////////////////////////////////////////////////////////////////////////////
//++
//
// class CProvFactory
//
// Description:
// Handle class creation
//
//--
/////////////////////////////////////////////////////////////////////////////
class CProvFactory
: public IClassFactory
{
protected:
ULONG m_cRef;
FactoryData * m_pFactoryData;
public:
CProvFactory( FactoryData * pFactoryDataIn )
: m_pFactoryData( pFactoryDataIn )
, m_cRef( 0 )
{
}
virtual ~CProvFactory( void )
{
}
STDMETHODIMP QueryInterface( REFIID riidIn, PPVOID ppvOut );
STDMETHODIMP_( ULONG ) AddRef( void );
STDMETHODIMP_( ULONG ) Release( void );
//IClassFactory members
STDMETHODIMP CreateInstance(
LPUNKNOWN pUnknownOuterIn,
REFIID riidIn,
PPVOID ppvObjOut
);
STDMETHODIMP LockServer( BOOL fLockIn );
}; //*** class CProvFactory