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/*****************************************************************************\
* ** ddeml.h - DDEML API header file ** ** Version 1.0 ** ** Copyright (c) 1992, Microsoft Corp. All rights reserved. ** *\*****************************************************************************/#ifndef _INC_DDEML
#define _INC_DDEML
#ifndef RC_INVOKED
#pragma pack(1)
#endif /* RC_INVOKED */
#ifdef __cplusplus
extern "C" { /* Assume C declarations for C++ */#endif /* __cplusplus */
#ifndef _INC_WINDOWS /* If not included with 3.1 headers... */
#define LPCSTR LPSTR
#define WINAPI FAR PASCAL
#define CALLBACK FAR PASCAL
#define UINT WORD
#define LPARAM LONG
#define WPARAM WORD
#define LRESULT LONG
#define HMODULE HANDLE
#define HINSTANCE HANDLE
#define HLOCAL HANDLE
#define HGLOBAL HANDLE
#endif /* _INC_WINDOWS */
#ifndef DECLARE_HANDLE32
#ifdef STRICT
#define DECLARE_HANDLE32(name) struct name##__ { int unused; }; \
typedef const struct name##__ _far* name#else /* STRICT */
#define DECLARE_HANDLE32(name) typedef DWORD name
#endif /* !STRICT */
#endif /* !DECLARE_HANDLE32 */
#define EXPENTRY WINAPI
/******** public types ********/
DECLARE_HANDLE32(HCONVLIST);DECLARE_HANDLE32(HCONV);DECLARE_HANDLE32(HSZ);DECLARE_HANDLE32(HDDEDATA);
/* the following structure is for use with XTYP_WILDCONNECT processing. */
typedef struct tagHSZPAIR{ HSZ hszSvc; HSZ hszTopic;} HSZPAIR;typedef HSZPAIR FAR *PHSZPAIR;
/* The following structure is used by DdeConnect() and DdeConnectList() and
by XTYP_CONNECT and XTYP_WILDCONNECT callbacks. */
typedef struct tagCONVCONTEXT{ UINT cb; /* set to sizeof(CONVCONTEXT) */ UINT wFlags; /* none currently defined. */ UINT wCountryID; /* country code for topic/item strings used. */ int iCodePage; /* codepage used for topic/item strings. */ DWORD dwLangID; /* language ID for topic/item strings. */ DWORD dwSecurity; /* Private security code. */} CONVCONTEXT;typedef CONVCONTEXT FAR *PCONVCONTEXT;
/* The following structure is used by DdeQueryConvInfo(): */
typedef struct tagCONVINFO{ DWORD cb; /* sizeof(CONVINFO) */ DWORD hUser; /* user specified field */ HCONV hConvPartner; /* hConv on other end or 0 if non-ddemgr partner */ HSZ hszSvcPartner; /* app name of partner if obtainable */ HSZ hszServiceReq; /* AppName requested for connection */ HSZ hszTopic; /* Topic name for conversation */ HSZ hszItem; /* transaction item name or NULL if quiescent */ UINT wFmt; /* transaction format or NULL if quiescent */ UINT wType; /* XTYP_ for current transaction */ UINT wStatus; /* ST_ constant for current conversation */ UINT wConvst; /* XST_ constant for current transaction */ UINT wLastError; /* last transaction error. */ HCONVLIST hConvList; /* parent hConvList if this conversation is in a list */ CONVCONTEXT ConvCtxt; /* conversation context */ HWND hwnd; /* Added to allow access for NetDDE. */ HWND hwndPartner; /* Added to allow access for NetDDE. */} CONVINFO;typedef CONVINFO FAR *PCONVINFO;
/***** conversation states (usState) *****/
#define XST_NULL 0 /* quiescent states */
#define XST_INCOMPLETE 1
#define XST_CONNECTED 2
#define XST_INIT1 3 /* mid-initiation states */
#define XST_INIT2 4
#define XST_REQSENT 5 /* active conversation states */
#define XST_DATARCVD 6
#define XST_POKESENT 7
#define XST_POKEACKRCVD 8
#define XST_EXECSENT 9
#define XST_EXECACKRCVD 10
#define XST_ADVSENT 11
#define XST_UNADVSENT 12
#define XST_ADVACKRCVD 13
#define XST_UNADVACKRCVD 14
#define XST_ADVDATASENT 15
#define XST_ADVDATAACKRCVD 16
/* used in LOWORD(dwData1) of XTYP_ADVREQ callbacks... */#define CADV_LATEACK 0xFFFF
/***** conversation status bits (fsStatus) *****/
#define ST_CONNECTED 0x0001
#define ST_ADVISE 0x0002
#define ST_ISLOCAL 0x0004
#define ST_BLOCKED 0x0008
#define ST_CLIENT 0x0010
#define ST_TERMINATED 0x0020
#define ST_INLIST 0x0040
#define ST_BLOCKNEXT 0x0080
#define ST_ISSELF 0x0100
/* DDE constants for wStatus field */
#define DDE_FACK 0x8000
#define DDE_FBUSY 0x4000
#define DDE_FDEFERUPD 0x4000
#define DDE_FACKREQ 0x8000
#define DDE_FRELEASE 0x2000
#define DDE_FREQUESTED 0x1000
#define DDE_FACKRESERVED 0x3ff0
#define DDE_FADVRESERVED 0x3fff
#define DDE_FDATRESERVED 0x4fff
#define DDE_FPOKRESERVED 0xdfff
#define DDE_FAPPSTATUS 0x00ff
#define DDE_FNOTPROCESSED 0x0000
/***** message filter hook types *****/
#define MSGF_DDEMGR 0x8001
/***** codepage constants ****/
#define CP_WINANSI 1004 /* default codepage for windows & old DDE convs. */
/***** transaction types *****/
#define XTYPF_NOBLOCK 0x0002 /* CBR_BLOCK will not work */
#define XTYPF_NODATA 0x0004 /* DDE_FDEFERUPD */
#define XTYPF_ACKREQ 0x0008 /* DDE_FACKREQ */
#define XCLASS_MASK 0xFC00
#define XCLASS_BOOL 0x1000
#define XCLASS_DATA 0x2000
#define XCLASS_FLAGS 0x4000
#define XCLASS_NOTIFICATION 0x8000
#define XTYP_ERROR (0x0000 | XCLASS_NOTIFICATION | XTYPF_NOBLOCK )
#define XTYP_ADVDATA (0x0010 | XCLASS_FLAGS )
#define XTYP_ADVREQ (0x0020 | XCLASS_DATA | XTYPF_NOBLOCK )
#define XTYP_ADVSTART (0x0030 | XCLASS_BOOL )
#define XTYP_ADVSTOP (0x0040 | XCLASS_NOTIFICATION)
#define XTYP_EXECUTE (0x0050 | XCLASS_FLAGS )
#define XTYP_CONNECT (0x0060 | XCLASS_BOOL | XTYPF_NOBLOCK)
#define XTYP_CONNECT_CONFIRM (0x0070 | XCLASS_NOTIFICATION | XTYPF_NOBLOCK)
#define XTYP_XACT_COMPLETE (0x0080 | XCLASS_NOTIFICATION )
#define XTYP_POKE (0x0090 | XCLASS_FLAGS )
#define XTYP_REGISTER (0x00A0 | XCLASS_NOTIFICATION | XTYPF_NOBLOCK)
#define XTYP_REQUEST (0x00B0 | XCLASS_DATA )
#define XTYP_DISCONNECT (0x00C0 | XCLASS_NOTIFICATION | XTYPF_NOBLOCK)
#define XTYP_UNREGISTER (0x00D0 | XCLASS_NOTIFICATION | XTYPF_NOBLOCK)
#define XTYP_WILDCONNECT (0x00E0 | XCLASS_DATA | XTYPF_NOBLOCK)
#define XTYP_MASK 0x00F0
#define XTYP_SHIFT 4 /* shift to turn XTYP_ into an index */
/***** Timeout constants *****/
#define TIMEOUT_ASYNC -1L
/***** Transaction ID constants *****/
#define QID_SYNC -1L
/****** public strings used in DDE ******/
#define SZDDESYS_TOPIC "System"
#define SZDDESYS_ITEM_TOPICS "Topics"
#define SZDDESYS_ITEM_SYSITEMS "SysItems"
#define SZDDESYS_ITEM_RTNMSG "ReturnMessage"
#define SZDDESYS_ITEM_STATUS "Status"
#define SZDDESYS_ITEM_FORMATS "Formats"
#define SZDDESYS_ITEM_HELP "Help"
#define SZDDE_ITEM_ITEMLIST "TopicItemList"
/****** API entry points ******/
typedef HDDEDATA CALLBACK FNCALLBACK(UINT wType, UINT wFmt, HCONV hConv, HSZ hsz1, HSZ hsz2, HDDEDATA hData, DWORD dwData1, DWORD dwData2);typedef FNCALLBACK *PFNCALLBACK;
#define CBR_BLOCK 0xffffffffL
/* DLL registration functions */
UINT WINAPI DdeInitialize(DWORD FAR* pidInst, PFNCALLBACK pfnCallback, DWORD afCmd, DWORD ulRes);
/*
* Callback filter flags for use with standard apps. */
#define CBF_FAIL_SELFCONNECTIONS 0x00001000
#define CBF_FAIL_CONNECTIONS 0x00002000
#define CBF_FAIL_ADVISES 0x00004000
#define CBF_FAIL_EXECUTES 0x00008000
#define CBF_FAIL_POKES 0x00010000
#define CBF_FAIL_REQUESTS 0x00020000
#define CBF_FAIL_ALLSVRXACTIONS 0x0003f000
#define CBF_SKIP_CONNECT_CONFIRMS 0x00040000
#define CBF_SKIP_REGISTRATIONS 0x00080000
#define CBF_SKIP_UNREGISTRATIONS 0x00100000
#define CBF_SKIP_DISCONNECTS 0x00200000
#define CBF_SKIP_ALLNOTIFICATIONS 0x003c0000
/*
* Application command flags */#define APPCMD_CLIENTONLY 0x00000010L
#define APPCMD_FILTERINITS 0x00000020L
#define APPCMD_MASK 0x00000FF0L
/*
* Application classification flags */#define APPCLASS_STANDARD 0x00000000L
#define APPCLASS_MASK 0x0000000FL
BOOL WINAPI DdeUninitialize(DWORD idInst);
/* conversation enumeration functions */
HCONVLIST WINAPI DdeConnectList(DWORD idInst, HSZ hszService, HSZ hszTopic, HCONVLIST hConvList, CONVCONTEXT FAR* pCC);HCONV WINAPI DdeQueryNextServer(HCONVLIST hConvList, HCONV hConvPrev);BOOL WINAPI DdeDisconnectList(HCONVLIST hConvList);
/* conversation control functions */
HCONV WINAPI DdeConnect(DWORD idInst, HSZ hszService, HSZ hszTopic, CONVCONTEXT FAR* pCC);BOOL WINAPI DdeDisconnect(HCONV hConv);HCONV WINAPI DdeReconnect(HCONV hConv);
UINT WINAPI DdeQueryConvInfo(HCONV hConv, DWORD idTransaction, CONVINFO FAR* pConvInfo);BOOL WINAPI DdeSetUserHandle(HCONV hConv, DWORD id, DWORD hUser);
BOOL WINAPI DdeAbandonTransaction(DWORD idInst, HCONV hConv, DWORD idTransaction);
/* app server interface functions */
BOOL WINAPI DdePostAdvise(DWORD idInst, HSZ hszTopic, HSZ hszItem);BOOL WINAPI DdeEnableCallback(DWORD idInst, HCONV hConv, UINT wCmd);
#define EC_ENABLEALL 0
#define EC_ENABLEONE ST_BLOCKNEXT
#define EC_DISABLE ST_BLOCKED
#define EC_QUERYWAITING 2
HDDEDATA WINAPI DdeNameService(DWORD idInst, HSZ hsz1, HSZ hsz2, UINT afCmd);
#define DNS_REGISTER 0x0001
#define DNS_UNREGISTER 0x0002
#define DNS_FILTERON 0x0004
#define DNS_FILTEROFF 0x0008
/* app client interface functions */
HDDEDATA WINAPI DdeClientTransaction(void FAR* pData, DWORD cbData, HCONV hConv, HSZ hszItem, UINT wFmt, UINT wType, DWORD dwTimeout, DWORD FAR* pdwResult);
/* data transfer functions */
HDDEDATA WINAPI DdeCreateDataHandle(DWORD idInst, void FAR* pSrc, DWORD cb, DWORD cbOff, HSZ hszItem, UINT wFmt, UINT afCmd);HDDEDATA WINAPI DdeAddData(HDDEDATA hData, void FAR* pSrc, DWORD cb, DWORD cbOff);DWORD WINAPI DdeGetData(HDDEDATA hData, void FAR* pDst, DWORD cbMax, DWORD cbOff);BYTE FAR* WINAPI DdeAccessData(HDDEDATA hData, DWORD FAR* pcbDataSize);BOOL WINAPI DdeUnaccessData(HDDEDATA hData);BOOL WINAPI DdeFreeDataHandle(HDDEDATA hData);
#define HDATA_APPOWNED 0x0001
UINT WINAPI DdeGetLastError(DWORD idInst);
#define DMLERR_NO_ERROR 0 /* must be 0 */
#define DMLERR_FIRST 0x4000
#define DMLERR_ADVACKTIMEOUT 0x4000
#define DMLERR_BUSY 0x4001
#define DMLERR_DATAACKTIMEOUT 0x4002
#define DMLERR_DLL_NOT_INITIALIZED 0x4003
#define DMLERR_DLL_USAGE 0x4004
#define DMLERR_EXECACKTIMEOUT 0x4005
#define DMLERR_INVALIDPARAMETER 0x4006
#define DMLERR_LOW_MEMORY 0x4007
#define DMLERR_MEMORY_ERROR 0x4008
#define DMLERR_NOTPROCESSED 0x4009
#define DMLERR_NO_CONV_ESTABLISHED 0x400a
#define DMLERR_POKEACKTIMEOUT 0x400b
#define DMLERR_POSTMSG_FAILED 0x400c
#define DMLERR_REENTRANCY 0x400d
#define DMLERR_SERVER_DIED 0x400e
#define DMLERR_SYS_ERROR 0x400f
#define DMLERR_UNADVACKTIMEOUT 0x4010
#define DMLERR_UNFOUND_QUEUE_ID 0x4011
#define DMLERR_LAST 0x4011
HSZ WINAPI DdeCreateStringHandle(DWORD idInst, LPCSTR psz, int iCodePage);DWORD WINAPI DdeQueryString(DWORD idInst, HSZ hsz, LPSTR psz, DWORD cchMax, int iCodePage);BOOL WINAPI DdeFreeStringHandle(DWORD idInst, HSZ hsz);BOOL WINAPI DdeKeepStringHandle(DWORD idInst, HSZ hsz);int WINAPI DdeCmpStringHandles(HSZ hsz1, HSZ hsz2);
#ifndef NODDEMLSPY
/* *//* DDEML public debugging header file info *//* */
typedef struct tagMONMSGSTRUCT{ UINT cb; HWND hwndTo; DWORD dwTime; HANDLE hTask; UINT wMsg; WPARAM wParam; LPARAM lParam;} MONMSGSTRUCT;
typedef struct tagMONCBSTRUCT{ UINT cb; WORD wReserved; DWORD dwTime; HANDLE hTask; DWORD dwRet; UINT wType; UINT wFmt; HCONV hConv; HSZ hsz1; HSZ hsz2; HDDEDATA hData; DWORD dwData1; DWORD dwData2;} MONCBSTRUCT;
typedef struct tagMONHSZSTRUCT{ UINT cb; BOOL fsAction; /* MH_ value */ DWORD dwTime; HSZ hsz; HANDLE hTask; WORD wReserved; char str[1];} MONHSZSTRUCT;
#define MH_CREATE 1
#define MH_KEEP 2
#define MH_DELETE 3
#define MH_CLEANUP 4
typedef struct tagMONERRSTRUCT{ UINT cb; UINT wLastError; DWORD dwTime; HANDLE hTask;} MONERRSTRUCT;
typedef struct tagMONLINKSTRUCT{ UINT cb; DWORD dwTime; HANDLE hTask; BOOL fEstablished; BOOL fNoData; HSZ hszSvc; HSZ hszTopic; HSZ hszItem; UINT wFmt; BOOL fServer; HCONV hConvServer; HCONV hConvClient;} MONLINKSTRUCT;
typedef struct tagMONCONVSTRUCT{ UINT cb; BOOL fConnect; DWORD dwTime; HANDLE hTask; HSZ hszSvc; HSZ hszTopic; HCONV hConvClient; HCONV hConvServer;} MONCONVSTRUCT;
#define MAX_MONITORS 4
#define APPCLASS_MONITOR 0x00000001L
#define XTYP_MONITOR (0x00F0 | XCLASS_NOTIFICATION | XTYPF_NOBLOCK)
/*
* Callback filter flags for use with MONITOR apps - 0 implies no monitor * callbacks. */#define MF_HSZ_INFO 0x01000000
#define MF_SENDMSGS 0x02000000
#define MF_POSTMSGS 0x04000000
#define MF_CALLBACKS 0x08000000
#define MF_ERRORS 0x10000000
#define MF_LINKS 0x20000000
#define MF_CONV 0x40000000
#define MF_MASK 0xFF000000
#endif /* NODDEMLSPY */
#ifdef __cplusplus
}#endif
#ifndef RC_INVOKED
#pragma pack()
#endif /* RC_INVOKED */
#endif /* _INC_DDEML */
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