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110 lines
2.9 KiB
110 lines
2.9 KiB
/****************************************************************************
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ddecb.cpp
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template for DDE callback functions for DDE classes
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****************************************************************************/
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#include <windows.h>
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#include "pdde.h"
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HDDEDATA CALLBACK __export DdeServerCallBack(
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WORD wType, // transaction type
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WORD wFmt, // clipboard format
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HCONV hConv, // handle to conversation
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HSZ hsz1, // string handles
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HSZ hsz2,
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HDDEDATA hData, // handle to a global memory object
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DWORD dwData1, // transaction-specific data
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DWORD dwData2)
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{
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switch(wType)
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{
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case XTYP_ADVREQ:
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// server called PostAdvise
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// hsz1 is topic, hsz2 is item
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// call CreateDataHandle and return new data
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return (HDDEDATA) NULL;
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case XTYP_ADVSTART:
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// client requested advise loop
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// hsz1 topic, hsz2 item
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// return non zero to accept
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return (HDDEDATA) (DWORD) TRUE;
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case XTYP_ADVSTOP:
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return (HDDEDATA) NULL;
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case XTYP_CONNECT:
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// client requested connection
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// return non-zero to accept
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return (HDDEDATA) (DWORD) TRUE;
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case XTYP_CONNECT_CONFIRM:
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return (HDDEDATA) NULL;
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case XTYP_DISCONNECT:
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return (HDDEDATA) NULL;
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case XTYP_ERROR:
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return (HDDEDATA) NULL;
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case XTYP_EXECUTE:
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return (HDDEDATA) NULL;
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case XTYP_POKE:
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// return DDE_FACK for OK, or DDE_FBUSY or DDE_FNOTPROCESSED
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return (HDDEDATA) (DWORD) DDE_FACK;
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case XTYP_REGISTER:
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return (HDDEDATA) NULL;
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case XTYP_REQUEST:
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// hsz1 is topic, hsz2 is item
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// call CreateDataHandle and return new data
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return (HDDEDATA) NULL;
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case XTYP_UNREGISTER:
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return (HDDEDATA) NULL;
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case XTYP_WILDCONNECT:
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return (HDDEDATA) NULL;
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default:
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return (HDDEDATA) NULL;
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}
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}
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HDDEDATA CALLBACK __export DdeClientCallBack(
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WORD wType, // transaction type
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WORD wFmt, // clipboard format
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HCONV hConv, // handle to conversation
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HSZ hsz1, // string handles
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HSZ hsz2,
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HDDEDATA hData, // handle to a global memory object
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DWORD dwData1, // transaction-specific data
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DWORD dwData2)
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{
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switch(wType)
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{
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case XTYP_ADVDATA:
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return (HDDEDATA) (DWORD) DDE_FACK;
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case XTYP_DISCONNECT:
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return (HDDEDATA) NULL;
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case XTYP_ERROR:
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return (HDDEDATA) NULL;
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case XTYP_UNREGISTER:
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return (HDDEDATA) NULL;
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case XTYP_XACT_COMPLETE:
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return (HDDEDATA) NULL;
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default:
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return (HDDEDATA) NULL;
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}
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}
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