Li, I didn't give you the correct information. I was thinking about
something else (I'm doing that alot lately :| ) I actually don't know how
to do what you are looking for. You might try the FileIOPermission class,
or start there anyways.
Raymond Lewallen
"Li Pang" <an*******@discussions.microsoft.com> wrote in message
news:E5**********************************@microsof t.com...
Hi,
I'd like know how to check a file is used by another user.
Thanks