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How does VFP Lock a record?
Message
From
27/07/2000 19:22:52
 
General information
Forum:
Visual FoxPro
Category:
Windows API functions
Miscellaneous
Thread ID:
00393703
Message ID:
00397938
Views:
15
>>In the dim and distant (in Omnis), we used to use INT 21H under DOS/Windows to
>>perform byte-range locking over a portion of the file - perhaps that's what
>>VFP is doing.
>>
>>>Hi Jon,
>>>Imagine the following senario:
>>>Client locks a record on a file-server.
>>>Client's PC is turned off.
>>>IMO to correctly lock a record there should be no modifications to the dbf file.
>>>VFP has to use server's OS for this. But more or less exaclty how it is done is shrouded in mistery to me.
>>>Hope somebody could elluminate us on this issue.
>
>This is a post which does not contain any information I've gained from working here: in fact, I _haven't_ gained any information on this subject by working here. I'm Support, not Product.
>
>With that said...
>
>Before working here, I heard that Fox actually locks the current location + 2G (which is the reason for the 2G limit). Is this what you're talking about up above, Robert?

Maybe they will believe you, I've posted the same response in three threads (including this thread) without any response.
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