I have used this w/o any problem so far in Vfp6. Don't remember where I got
it from. Matt must be around. DDE is used here also.
*-----[ This goes at the start of the main program in your app.
PARAMETERS _APPNAME
=ddesetoption("SAFETY",.F.)
ch = ddeinitiate(_APPNAME,"SYSTEM")
IF CH != -1
=DDETERMINATE(CH)
QUIT
ENDIF
DO DDE_SETUP
PROCEDURE DDE_SETUP
=DDESETSERVICE(_APPNAME,"DEFINE")
=DDESETTOPIC(_APPNAME,"SYSTEM","DETECTED")
RETURN
*---[ This bit can go in your procedure file if you have one.
FUNCTION DETECTED
PARAMETERS A,B,C,D,E,F
* ZOOM WINDOW SCREEN MAX
RETURN .T.
**------[End of Matt's Code
Regards
Ajoy Khaund
Neamati Road
Near Bhogdoi Bridge
Jorhat 785001-21
Assam, India
Tel: 91-376-2351288
Cell: 91-94350-92287
Mail: [email protected]
Mail: [email protected]
"Walking on water and developing software from a specification are easy if
both are frozen."
- Edward V. Berard, "Life-Cycle Approaches"
--------------------------------------------------
From: "Eurico Chagas Filho" <[email protected]>
Sent: Tuesday, July 14, 2009 4:41 PM
To: <[email protected]>
Subject: How to avoid two instances
>
> I came across a code written by Ramani to avoid two instances of an
> application in the same desktop.
> It uses extensively the DDE functions, is there anything I should be aware
> of ?
>
> TIA, E.
>
>
>
[excessive quoting removed by server]
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