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- /*****************************************************************************\
- * *
- * dde.h - Dynamic Data Exchange structures and definitions *
- * *
- \*****************************************************************************/
-
- #ifndef __DDE_H /* prevent multiple includes */
- #define __DDE_H
-
- #ifndef __WINDOWS_H
- #include <windows.h> /* <windows.h> must be included */
- #endif /* __WINDOWS_H */
-
- #ifndef RC_INVOKED
- #pragma option -a- /* Assume byte packing throughout */
- #pragma warn -bbf /* Turn off warning about bitfields */
- #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
- } /* End of extern "C" { */
- #endif /* __cplusplus */
-
- #ifndef RC_INVOKED
- #pragma option -a. /* Revert to default packing */
- #pragma warn .bbf /* Revert to default warning about bitfields */
- #endif /* RC_INVOKED */
-
- #endif /* __DDE_H */
-