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