56 lines
1.1 KiB
C
56 lines
1.1 KiB
C
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/*++
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Copyright (c) 1998 Microsoft Corporation
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Module Name:
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propid.h
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Abstract:
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This module contains the definition of the property ID related types
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and values
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Author:
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Keith Lau (keithlau@microsoft.com)
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Revision History:
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keithlau 03/03/98 created
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--*/
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#ifndef _PROPID_H_
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#define _PROPID_H_
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// Define a type for the property ID, we don't want to lock in to
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// a specific data type
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typedef DWORD PROP_ID;
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// Define a bunch of values pertaining to the PROP ID type
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#define MAX_PROP_ID ((PROP_ID)-1)
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#define FIRST_AVAILABLE_PROP_ID ((PROP_ID)1)
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#define UNDEFINED_PROP_ID ((PROP_ID)0)
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//
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// Prop ID 0 is reserved for many things ...
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//
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#define PROP_ID_RESERVED ((PROP_ID)0)
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#define PROP_ID_DELETED ((PROP_ID)0)
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#define PROP_ID_NOT_FOUND ((PROP_ID)0)
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//
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// Define a structure for PROP ID management
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//
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typedef struct _PROP_ID_MANAGEMENT_ITEM
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{
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GUID idRange; // GUID identifying the range of PROP IDs
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PROP_ID idStartId; // PROP ID of first ID in the managed range
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DWORD dwLength; // Number of contiguous PROP IDs in this range
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} PROP_ID_MANAGEMENT_ITEM, *LPPROP_ID_MANAGEMENT_ITEM;
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#endif
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