>>Sorry for wrong suggestion.
>
>No problem, it seems it is also the same one as Al mentioned. This is exactly the process we are doing. But, before going into a Try Catch, I wanted to verify if there could be a more fancy approach.


You can try to open the file for exclusive read :
Stream stream = File.Open(myfileName, FileMode.Open, FileAccess.read, FileShare.None);
if an error you'll receive an ioexception....