94 lines
2.2 KiB
C++
94 lines
2.2 KiB
C++
//+---------------------------------------------------------------------------
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//
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// Microsoft Windows
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// Copyright (C) Microsoft Corporation, 1992 - 1997.
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//
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// File: cidsocf.hxx
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//
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// Contents: Class factory description
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//
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// History: 1-7-97 markz Created
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//
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//----------------------------------------------------------------------------
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#pragma once
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//
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// Standard Ole exports
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//
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extern "C" SCODE STDMETHODCALLTYPE DllGetClassObject( REFCLSID cid,
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REFIID iid,
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void ** ppvObj );
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extern "C" SCODE STDMETHODCALLTYPE DllCanUnloadNow( void );
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extern "C" const GUID CLSID_CiFwDSO;
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//+---------------------------------------------------------------------------
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//
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// Class: CDataSrcObjectCF
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//
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// Purpose: Class Factory to create ole-db datasource objects
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//
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// History: 3-20-97 mohamedn created
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//
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//----------------------------------------------------------------------------
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class CDataSrcObjectCF : INHERIT_VIRTUAL_UNWIND, public IClassFactory
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{
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INLINE_UNWIND(CDataSrcObjectCF)
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public:
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//
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// IUnknown methods.
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//
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STDMETHOD( QueryInterface ) ( THIS_ REFIID riid,LPVOID *ppiuk );
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STDMETHOD_( ULONG, AddRef ) ( THIS );
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STDMETHOD_( ULONG, Release ) ( THIS );
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//
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// IClassFactory methods.
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//
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STDMETHOD( CreateInstance ) ( THIS_
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IUnknown * pUnkOuter,
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REFIID riid,
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void ** ppvObject );
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STDMETHOD( LockServer ) ( THIS_ BOOL fLock );
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protected:
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//
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// Constructor and Destructor
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//
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CDataSrcObjectCF( void );
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//
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// Hidden destructor so that only we can delete the instance
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// based on IUnknown control
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//
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virtual ~CDataSrcObjectCF();
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private:
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friend SCODE STDMETHODCALLTYPE DllGetClassObject( REFCLSID cid,
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REFIID iid, void** ppvObj );
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//
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// IUnknown reference count.
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//
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LONG _RefCount;
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};
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