147 lines
4.4 KiB
C
147 lines
4.4 KiB
C
/*****************************************************************************\
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* *
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* dde.h - Dynamic Data Exchange structures and definitions *
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* *
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* Copyright (c) 1992, Microsoft Corp. All rights reserved *
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* *
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\*****************************************************************************/
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#ifndef _INC_DDE
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#define _INC_DDE
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#ifndef RC_INVOKED
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#pragma pack(1) /* Assume byte packing throughout */
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#endif /* RC_INVOKED */
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#ifdef __cplusplus
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extern "C" { /* Assume C declarations for C++ */
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#endif /* __cplusplus */
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/* DDE window messages */
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#define WM_DDE_FIRST 0x03E0
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#define WM_DDE_INITIATE (WM_DDE_FIRST)
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#define WM_DDE_TERMINATE (WM_DDE_FIRST+1)
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#define WM_DDE_ADVISE (WM_DDE_FIRST+2)
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#define WM_DDE_UNADVISE (WM_DDE_FIRST+3)
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#define WM_DDE_ACK (WM_DDE_FIRST+4)
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#define WM_DDE_DATA (WM_DDE_FIRST+5)
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#define WM_DDE_REQUEST (WM_DDE_FIRST+6)
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#define WM_DDE_POKE (WM_DDE_FIRST+7)
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#define WM_DDE_EXECUTE (WM_DDE_FIRST+8)
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#define WM_DDE_LAST (WM_DDE_FIRST+8)
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/****************************************************************************\
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* DDEACK structure
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*
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* Structure of wStatus (LOWORD(lParam)) in WM_DDE_ACK message
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* sent in response to a WM_DDE_DATA, WM_DDE_REQUEST, WM_DDE_POKE,
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* WM_DDE_ADVISE, or WM_DDE_UNADVISE message.
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*
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\****************************************************************************/
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typedef struct tagDDEACK
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{
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WORD bAppReturnCode:8,
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reserved:6,
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fBusy:1,
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fAck:1;
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} DDEACK;
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/****************************************************************************\
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* DDEADVISE structure
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*
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* WM_DDE_ADVISE parameter structure for hOptions (LOWORD(lParam))
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*
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\****************************************************************************/
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typedef struct tagDDEADVISE
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{
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WORD reserved:14,
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fDeferUpd:1,
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fAckReq:1;
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short cfFormat;
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} DDEADVISE;
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/****************************************************************************\
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* DDEDATA structure
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*
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* WM_DDE_DATA parameter structure for hData (LOWORD(lParam)).
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* The actual size of this structure depends on the size of
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* the Value array.
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*
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\****************************************************************************/
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typedef struct tagDDEDATA
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{
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WORD unused:12,
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fResponse:1,
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fRelease:1,
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reserved:1,
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fAckReq:1;
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short cfFormat;
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BYTE Value[1];
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} DDEDATA;
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/****************************************************************************\
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* DDEPOKE structure
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*
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* WM_DDE_POKE parameter structure for hData (LOWORD(lParam)).
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* The actual size of this structure depends on the size of
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* the Value array.
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*
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\****************************************************************************/
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typedef struct tagDDEPOKE
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{
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WORD unused:13, /* Earlier versions of DDE.H incorrectly */
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/* 12 unused bits. */
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fRelease:1,
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fReserved:2;
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short cfFormat;
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BYTE Value[1]; /* This member was named rgb[1] in previous */
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/* versions of DDE.H */
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} DDEPOKE;
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/****************************************************************************\
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* The following typedef's were used in previous versions of the Windows SDK.
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* They are still valid. The above typedef's define exactly the same structures
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* as those below. The above typedef names are recommended, however, as they
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* are more meaningful.
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*
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* Note that the DDEPOKE structure typedef'ed in earlier versions of DDE.H did
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* not correctly define the bit positions.
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\****************************************************************************/
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typedef struct tagDDELN
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{
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WORD unused:13,
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fRelease:1,
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fDeferUpd:1,
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fAckReq:1;
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short cfFormat;
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} DDELN;
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typedef struct tagDDEUP
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{
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WORD unused:12,
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fAck:1,
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fRelease:1,
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fReserved:1,
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fAckReq:1;
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short cfFormat;
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BYTE rgb[1];
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} DDEUP;
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#ifdef __cplusplus
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}
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#endif /* __cplusplus */
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#ifndef RC_INVOKED
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#pragma pack()
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#endif /* RC_INVOKED */
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#endif /* _INC_DDE */
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