53 lines
1.7 KiB
C
53 lines
1.7 KiB
C
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//////////////////////////////////////////////////////////////////////////////////////////////////////////
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//
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// Microsoft WMIOLE DB Provider
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// (C) Copyright 1999 Microsoft Corporation. All Rights Reserved.
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//
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// Class Definitions for CClassFactory and DLL Entry Points
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//
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//////////////////////////////////////////////////////////////////////////////////////////////////////////
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#ifndef _CLASSFAC_H_
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#define _CLASSFAC_H_
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//////////////////////////////////////////////////////////////////////////////////////////////////////////
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class CClassFactory : public IClassFactory
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{
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protected:
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ULONG m_cRef; //Reference count
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public:
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CClassFactory(void);
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~CClassFactory(void);
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STDMETHODIMP QueryInterface(REFIID, LPVOID *); //Request an Interface
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STDMETHODIMP_(ULONG) AddRef(void); //Increments the Reference count
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STDMETHODIMP_(ULONG) Release(void); //Decrements the Reference count
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STDMETHODIMP LockServer(BOOL); //Lock Object so that it can not be unloaded
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};
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//////////////////////////////////////////////////////////////////////////////////////////////////////////
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class CEnumeratorClassFactory : public CClassFactory
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{
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public:
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STDMETHODIMP CreateInstance(LPUNKNOWN, REFIID, LPVOID *);
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};
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//////////////////////////////////////////////////////////////////////////////////////////////////////////
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class CDataSourceClassFactory : public CClassFactory
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{
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public:
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STDMETHODIMP CreateInstance(LPUNKNOWN, REFIID, LPVOID *);
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};
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//////////////////////////////////////////////////////////////////////////////////////////////////////////
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class CErrorLookupClassFactory : public CClassFactory
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{
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public:
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STDMETHODIMP CreateInstance(LPUNKNOWN, REFIID, LPVOID *);
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};
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#endif
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