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Determining if files are open

Posted on 1998-11-19
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Last Modified: 2010-05-03
I have some files that are sitting on a folder on an NT Server. From my Win95/98 workstation I would like to determine if the files are currently open by another user. I would appreciate any source code or suggestions that anybody would have.
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Question by:Sanju043097
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vikiing earned 50 total points
ID: 1445669
Try to open the file this way:

   On error resume next
   Open "filename.ext" for input lock read write as #1
   errcode = err        'Catch possible error
   Close #1
   If errcode=70  then      '70 = Permission denied
       <file is open by another user>

It's possible the so-generated error (if the file is already open) be a different number, so first run the program without On Error and see what happens.

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by:Sanju043097
ID: 1445670
Thanks, that worked great.
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Expert Comment

by:vikiing
ID: 1445671
Sanju: with that piece of code, ¿is really 70 the error value you get?. I was not sure, then I suggested the most probable one.

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