48 lines
1.6 KiB
C
48 lines
1.6 KiB
C
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/****************************************************************************
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*
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* (C) COPYRIGHT 1998-2001, MICROSOFT CORP.
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*
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* FILE: wiatwcmp.h
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*
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* VERSION: 1.0
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*
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* DATE: 6/01/2001
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*
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* DESCRIPTION:
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* Defines TWAIN Compatibility Layer - Capability pass-through constants.
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* To support existing TWAIN applications that have private capabilities,
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* WIA drivers can utilize the Pass-through functionality.
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*
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*****************************************************************************/
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#ifndef _WIATWCMP_H_
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#define _WIATWCMP_H_
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#define WiaItemTypeTwainCapabilityPassThrough 0x00020000
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//**************************************************************************
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//
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// TWAIN capability pass-through
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//
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//**************************************************************************
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//
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// Escape code ranges 2001 - 3000 are reserved for future ESC_ commands
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//
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#define ESC_TWAIN_CAPABILITY 2001 // private TWAIN capability negotiation
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#define ESC_TWAIN_PRIVATE_SUPPORTED_CAPS 2002 // query for supported private capabilities
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typedef struct _TWAIN_CAPABILITY {
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LONG lSize; // size of TWAIN_CAPABILITY structure
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LONG lMSG; // TWAIN Message, MSG_GET, MSG_GETCURRENT, MSG_SET, etc..
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LONG lCapID; // id of capability to set or get
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LONG lConType; // container type of capability
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LONG lRC; // TWAIN return code, TWRC_SUCCESS, TWRC_FAILURE, etc..
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LONG lCC; // TWAIN condition code, TWCC_SUCCESS, TWCC_BUMMER, etc..
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LONG lDataSize;// data size
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BYTE Data[1]; // first BYTE of data
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}TWAIN_CAPABILITY,*PTWAIN_CAPABILITY;
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#endif
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