>Is it possible that such a command does not lock the file?
>
>

>File.Copy(cSource, cDestination, lOverwrite)
>

>
>I am copying a file into a directory and in the middle of the copy, I have an access is denied. We believe this is because someone else took over the file. But, I assumed File.Copy would have locked the file during the process of the copy.

Not sure what you mean by 'in the *middle* of the copy' ?

If you are getting the UnauthorizedAccessException then, as Gregory suggests, I'd take it at face value and look at the permissions.