Gaylen,
Is this a VFP table? If so, the most reliable method is to try to open it exclusively. You have to trap the error that will occur if someone has the file in use.
See
Re: Check for Exclusive Open? Thread #
741115 Message #
741147< UPDATE >
What are you going to do if someone has the file open?
>How can I determine if a file is being used by someone on the network. I need to copy some files daily but need to determine if the old file is being used.
>
>Gaylen
Steve Gibson