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Tricks of the Windows Gam…ming Gurus (2nd Edition)
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interfac.h
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Wrap
C/C++ Source or Header
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1995-05-03
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1KB
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49 lines
/*
* INTERFAC.H
*
* Definition of ISampleOne and ISampleTwo used to demonstrate
* QueryInterface and different techniques of implementing multiple
* interfaces on an object.
*
* Copyright (c)1993-1995 Microsoft Corporation, All Rights Reserved
*
* Kraig Brockschmidt, Microsoft
* Internet : kraigb@microsoft.com
* Compuserve: >INTERNET:kraigb@microsoft.com
*/
#ifndef _INTERFAC_H_
#define _INTERFAC_H_
DECLARE_INTERFACE_(ISampleOne, IUnknown)
{
//IUnknown members
STDMETHOD(QueryInterface) (THIS_ REFIID, PPVOID) PURE;
STDMETHOD_(ULONG,AddRef) (THIS) PURE;
STDMETHOD_(ULONG,Release) (THIS) PURE;
//ISampleOne members
STDMETHOD(GetMessage) (THIS_ LPTSTR, UINT) PURE;
};
typedef ISampleOne *PSAMPLEONE;
DECLARE_INTERFACE_(ISampleTwo, IUnknown)
{
//IUnknown members
STDMETHOD(QueryInterface) (THIS_ REFIID, PPVOID) PURE;
STDMETHOD_(ULONG,AddRef) (THIS) PURE;
STDMETHOD_(ULONG,Release) (THIS) PURE;
//ISampleTwo members
STDMETHOD(GetString) (THIS_ LPTSTR, UINT) PURE;
};
typedef ISampleTwo *PSAMPLETWO;
#endif //_INTERFAC_H_