Summary of DDE Functions in a 16-Bit Environment

Summary of DDE Functions in a 16-Bit Environment lists the DDE functions that can be used with Personal Communications. The table lists the name of the DDE function, the command the client sends to Personal Communications, and the values that can be used for the variables in the client command.

Table 1. Summary of DDE Functions in a 16-Bit Environment
Function name Client command
Change Menu Item 
PostMessage( hServerWnd,
             WM_DDE_POKE,
             hClientWnd,
             MAKELONG(hData, aCHANGEMENU) );
hData = Handle to a global memory object
Create Menu Item 
PostMessage( hServerWnd,
             WM_DDE_REQUEST,
             hClientWnd,
             MAKELONG(cfFormat, 
             aCREATEMENU) );
cfFormat = CF_DSPTEXT
Find Field 
PostMessage( hServerWnd,
             WM_DDE_REQUEST,
             hClientWnd,
             MAKELONG(cfFormat, aFIELD) );
cfFormat = CF_DSPTEXT
Get Keystrokes 
PostMessage( hServerWnd,
             WM_DDE_REQUEST,
             hClientWnd,
             MAKELONG(cfFormat, aKEYS) );
cfFormat = CF_DSPTEXT
Get Mouse Input 
PostMessage( hServerWnd,
             WM_DDE_REQUEST,
             hClientWnd,
             MAKELONG(cfFormat, aMOUSE) );
cfFormat = CF_TEXT │ CF_DSPTEXT
Get Number of Close Requests 
PostMessage( hServerWnd,
             WM_DDE_REQUEST,
             hClientWnd,
             MAKELONG(cfFormat, aCLOSE) );
cfFormat = CF_DSPTEXT
Get Operator Information Area 
PostMessage( hServerWnd,
             WM_DDE_REQUEST,
             hClientWnd,
             MAKELONG(cfFormat, aOIA) );
cfFormat = CF_DSPTEXT
Get Partial Presentation Space 
PostMessage( hServerWnd,
             WM_DDE_REQUEST,
             hClientWnd,
             MAKELONG(cfFormat, aEPS) );
cfFormat = CF_TEXT │ CF_DSPTEXT
Get Presentation Space 
PostMessage( hServerWnd,
             WM_DDE_REQUEST,
             hClientWnd,
             MAKELONG(cfFormat, aPS) );
cfFormat = CF_TEXT │ CF_DSPTEXT
Get Session Status 
PostMessage( hServerWnd,
             WM_DDE_REQUEST,
             hClientWnd,
             MAKELONG(cfFormat, aSSTAT) );
cfFormat = CF_TEXT
Get System Configuration 
PostMessage( hServerWnd,
             WM_DDE_REQUEST,
             hClientWnd,
             MAKELONG(cfFormat, aSYSCON) );
cfFormat = CF_TEXT
Get System Formats 
PostMessage( hServerWnd,
             WM_DDE_REQUEST,
             hClientWnd,
             MAKELONG(cfFormat, aFORMATS) );
cfFormat = CF_TEXT
Get System Status 
PostMessage( hServerWnd,
               WM_DDE_REQUEST,
               hClientWnd,
               MAKELONG(cfFormat, aSTATUS) );
cfFormat = CF_TEXT
Get System SysItems 
PostMessage( hServerWnd,
             WM_DDE_REQUEST,
             hClientWnd,
             MAKELONG(cfFormat, aSYSITEMS) );
cfFormat = CF_TEXT
Get System Topics 
PostMessage( hServerWnd,
             WM_DDE_REQUEST,
             hClientWnd,
             MAKELONG(cfFormat, aTOPICS) );
cfFormat = CF_TEXT
Get Trim Rectangle 
PostMessage( hServerWnd,
             WM_DDE_REQUEST,
             hClientWnd,
             MAKELONG(cfFormat, aTRIMRECT) );
cfFormat = CF_TEXT
Initiate Menu Conversation 
PostMessage( hServerWnd,
             WM_DDE_INITIATE,
             hClientWnd,
             MAKELONG(aIBM327032, SN) );
N = a session letter A through Z
Initiate Session Conversation 
SendMessage( -1,
             WM_DDE_INITIATE,
             hClientWnd,
             MAKELONG(aIBM327032, aSessionN) );
N = a session letter A through Z.
Initiate Structured Field Conversation 
SendMessage( -1,
             WM_DDE_INITIATE,
             hClientWnd,
             MAKELONG(aIBM327032, aLUN_xxxx)
N = a session letter A through Z. xxxx = a user defined string.
Initiate System Conversation 
SendMessage( -1,
             WM_DDE_INITIATE,
             hClientWnd,
             MAKELONG(aIBM327032, aSystem) );
Put Data to Presentation Space 
PostMessage( hServerWnd,
             WM_DDE_POKE,
             hClientWnd,
             MAKELONG(hData, aEPS) );
hData = Handle to a global memory object
Search for String 
PostMessage( hServerWnd,
             WM_DDE_REQUEST,
             hClientWnd,
             MAKELONG(cfFormat, aSTRING) );
cfFormat = CF_DSPTEXT
Send Keystrokes 
PostMessage( hServerWnd,
             WM_DDE_POKE,
             hClientWnd,
             MAKELONG(hData, aKEYS) );
hData = Handle to a global memory object
Session Execute Macro 
PostMessage( hServerWnd,
             WM_DDE_EXECUTE,
             hClientWnd,
             MAKELONG(NULL, hCommands) );
hCommands = Handle to a global memory object
Set Cursor Position 
PostMessage( hServerWnd,
             WM_DDE_POKE,
             hClientWnd,
             MAKELONG(hData, aSETCURSOR) );
hData = Handle to a global memory object
Set Mouse Intercept Condition 
PostMessage( hServerWnd,
             WM_DDE_POKE,
             hClientWnd,
             MAKELONG(hData, aMOUSE) );
hData = Handle to a global memory object
Set Presentation Space Service Condition 
PostMessage( hServerWnd,
             WM_DDE_POKE,
             hClientWnd,
             MAKELONG(hData, aEPSCOND) );
hData = Handle to a global memory object
Set Session Advise Condition 
PostMessage( hServerWnd,
             WM_DDE_POKE,
             hClientWnd,
             MAKELONG(hData, aPSCOND) );
hData = Handle to a global memory object
Set Structured Field Service Condition 
PostMessage( hServerWnd,
             WM_DDE_POKE,
             hClientWnd,
             MAKELONG(hData, aSFCOND) );
hData = Handle to a global memory object
Start Close Intercept 
SendMessage( hServerWnd,
             WM_DDE_ADVISE,
             hClientWnd,
             MAKELONG(hOptions, aCLOSE) );
hOptions = Handle to a global memory object
Start Keystroke Intercept 
SendMessage( hServerWnd,
             WM_DDE_ADVISE,
             hClientWnd,
             MAKELONG(hOptions, aKEYS) );
hOptions = Handle to a global memory object
Start Menu Advise 
PostMessage( hServerWnd,
             WM_DDE_ADVISE,
             hClientWnd,
             MAKELONG(hOptions, aSELECTMENU) );
hOptions = Handle to a global memory object
Start Mouse Input Intercept 
PostMessage( hServerWnd,
             WM_DDE_ADVISE,
             hClientWnd,
             MAKELONG(hOptions, aMOUSE) );
hOptions = Handle to a global memory object
Start Read SF 
PostMessage( hServerWnd,
             WM_DDE_ADVISE,
             hClientWnd,
             MAKELONG(hOptions, aSF) );
hOptions = Handle to a global memory object
Start Session Advise 
PostMessage( hServerWnd,
             WM_DDE_ADVISE,
             hClientWnd,
             MAKELONG(hOptions, aItem) );
hOptions = Handle to a global memory object aItem = OIA │ PS │ TRIMRECT
Stop Close Intercept 
PostMessage( hServerWnd,
             WM_DDE_UNADVISE,
             hClientWnd,
             MAKELONG(NULL, aCLOSE) );
Stop Keystroke Intercept 
PostMessage( hServerWnd,
             WM_DDE_UNADVISE,
             hClientWnd,
             MAKELONG(NULL, aKEYS) );
Start Mouse Input Intercept 
PostMessage( hServerWnd,
             WM_DDE_ADVISE,
             hClientWnd,
             MAKELONG(hOptions, aMOUSE) );
hOptions = Handle to a global memory object
Stop Menu Advise 
PostMessage( hServerWnd,
             WM_DDE_UNADVISE,
             hClientWnd,
             MAKELONG(NULL, aSELECTMENU) );
Stop Read SF 
PostMessage( hServerWnd,
             WM_DDE_UNADVISE,
             hClientWnd,
             MAKELONG(NULL, aSF) );
Stop Session Advise 
PostMessage( hServerWnd,
             WM_DDE_UNADVISE,
             hClientWnd,
             MAKELONG(NULL, aItem) );
aItem = OIA │ PS │ TRIMRECT │ NULL
Terminate Session Conversation 
SendMessage( hServerWnd,
             WM_DDE_TERMINATE,
             hClientWnd,
             MAKELONG(NULL, NULL) );
Terminate Menu Conversation 
SendMessage( hServerWnd,
             WM_DDE_TERMINATE,
             hClientWnd,
             MAKELONG(NULL, NULL) );
Terminate Structured Field Conversation 
SendMessage( hServerWnd,
             WM_DDE_TERMINATE,
             hClientWnd,
             MAKELONG(NULL, NULL) );
Terminate System Conversation 
SendMessage( hServerWnd,
             WM_DDE_TERMINATE,
             hClientWnd,
             MAKELONG(NULL, NULL) );
Write SF 
PostMessage( hServerWnd,
             WM_DDE_POKE,
             hClientWnd,
             MAKELONG(hData, aSF) );
hData = Handle to a global memory object