76 lines
1.5 KiB
OpenEdge ABL
76 lines
1.5 KiB
OpenEdge ABL
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/*****************************************************************************
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* punknown.h - IUnknown definitions
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*****************************************************************************
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* Copyright (c) Microsoft Corporation. All rights reserved.
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*/
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#ifndef _UNKNOWN_H_
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#define _UNKNOWN_H_
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#ifdef __cplusplus
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extern "C" {
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#include <wdm.h>
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}
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#else
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#include <wdm.h>
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#endif
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#include <windef.h>
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#define COM_NO_WINDOWS_H
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#include <basetyps.h>
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#ifdef PUT_GUIDS_HERE
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#include <initguid.h>
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#endif
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DEFINE_GUID(IID_IUnknown,
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0x00000000, 0x0000, 0x0000, 0x00, 0x00, 0xc0, 0x00, 0x00, 0x00, 0x00, 0x46);
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/*****************************************************************************
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* IUnknown
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*****************************************************************************
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* Base interface for otherwise unknown objects.
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*/
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#undef INTERFACE
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#define INTERFACE IUnknown
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DECLARE_INTERFACE(IUnknown)
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{
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STDMETHOD_(NTSTATUS,QueryInterface)
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( THIS_
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IN REFIID,
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OUT PVOID *
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) PURE;
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STDMETHOD_(ULONG,AddRef)
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( THIS
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) PURE;
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STDMETHOD_(ULONG,Release)
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( THIS
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) PURE;
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};
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#undef INTERFACE
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typedef IUnknown *PUNKNOWN;
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/*****************************************************************************
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* PFNCREATEINSTANCE
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*****************************************************************************
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* Type for object create function.
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*/
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typedef
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HRESULT
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(*PFNCREATEINSTANCE)
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(
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OUT PUNKNOWN * Unknown,
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IN REFCLSID ClassId,
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IN PUNKNOWN OuterUnknown,
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IN POOL_TYPE PoolType
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);
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#endif
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