42 lines
1.3 KiB
Plaintext
42 lines
1.3 KiB
Plaintext
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//+-------------------------------------------------------------------------
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//
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// Microsoft Windows
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// Copyright (C) Microsoft Corporation, 1998.
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//
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// File:
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// buffer.idl
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//
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// Contents:
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// Provides a virtual buffer for serialization operations
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// Intent is to have IStream support this interface if it
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// can provide buffer operations
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//
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// History:
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// VinayKr 01-16-98 Created
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//
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//--------------------------------------------------------------------------
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#ifndef DO_NO_IMPORTS
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import "iface.idl";
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import "wtypes.idl";
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import "objidl.idl";
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import "obase.idl";
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#endif
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[object,
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local,
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uuid(000001B4-0000-0000-C000-000000000046),
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pointer_default(unique)
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]
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interface IBuffer:IUnknown
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{
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HRESULT GetOrCreateBuffer([in] DWORD dwRequestedSize,
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[out] DWORD *dwActualSize,
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[out, size_is(,*dwActualSize)] BYTE **ppBuff);
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HRESULT GetBuffer([out] DWORD *pdwLength, [out, size_is(,*pdwLength)] BYTE **ppBuff);
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HRESULT GetLength([out] DWORD *pdwLength);
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HRESULT GetCopy([in] BYTE *pBuff);
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HRESULT SetPosition([in] DWORD dwLenFromEnd, [in] DWORD dwPosFromStart);
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HRESULT SetBuffer([in] DWORD dwLength, [in, size_is(dwLength)] BYTE *pBuff);
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HRESULT SetCopyAlignment([in] DWORD dwCopyAlignment);
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}
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