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File already open or not

Posted on 2003-11-04
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Last Modified: 2010-05-03
How do I determine if a file has already been opened by another user?

I have tried using GetAttr(filename)but it is not giving me the correct answer, ie 1.
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Question by:GNCstar
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4 Comments
 
LVL 28

Expert Comment

by:AzraSound
ID: 9679047
You could do something like:

Open strFile For Output Lock Write As #1

And catch error 55 "File already open"
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Author Comment

by:GNCstar
ID: 9679134
AzraSound,

I have tried that but the code stops with Run-time error '70': Permission denied.
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LVL 28

Accepted Solution

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AzraSound earned 50 total points
ID: 9679294
Yes, I think Permission Denied is actually what you get.  It should be reliable for nearly all cases, though, I think it is possible to get that error if you are trying to access a file that you do not have the rights to for writing.  In addition, it should be changed to Lock Read Write instead of just Lock Write.
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Author Comment

by:GNCstar
ID: 9679633
Cheers, I can see why you are the number 1.
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