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OLE Server vs. DDE in Vusual Foxpro 5.0
Message
De
25/02/1997 07:10:56
 
Information générale
Forum:
Visual FoxPro
Catégorie:
Codage, syntaxe et commandes
Divers
Thread ID:
00021271
Message ID:
00021911
Vues:
49
>>>>I need to have 3 different Win95 programs communicating with each other. One , the server program will read
>>>> and write changes to a central database. When a change is made it needs to inform the other programs that a change has been made.
>>>>
>>>>I've been experimenting with a Foxpro program (configured as a OLE Server) as the central server.
>>>>Unfortunately, the instance of the server object created in the client program knows nothing about the other clients server object so it can't "broadcast" the neccesary changes. Is DDE the appropriate solution for this problem.
>>>>
>>>>What is the future of DDE anyway. I was under the impression that is was being replaced by OLE.
>>>>
>>>>Thanks in advance ..
>>>
>>>I would stay away from DDE. As you may have heard OCX/ActiveX has MS full support.
>>>
>>>Instead of broadcasting changes why not have the other 2 poll for changes?
>>>
>>>HTH,
>>>Tom
>>
>>What is a 'poll' ?
>
>Something a PLL cat sits on! (s)
>
>OK, what it really means is that the other 2 systems check the host system at regular intervals.
>
>Tom

I had an idea that it had to do with cats, just didn't know what... :-)
Thanks.
Alexandre Nobre
Alpha Bytes Computer Corp.

Did you know that there are innocent people dying in East Timor?
It helps if you do...

I suppose you don't need glasses if you're able to read this line

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