>>>One of the solutions could be like this:
>>>oFSO = CREATEOBJECT("Scripting.FileSystemObject")
>>>
>>>lo= oFSO.GetFile(getfile())
>>>?lo.Drive.ShareName
>>
>>Yuri, first thank you for your help.
>>
>>Can you think why when I run your simple code (above), I get empty value of .ShareName? Could it be because I choose a file from my local drive?
>
>I do not get it: if you choose the file from the local drive, then what UNC you expect?

You can always convert c:\sub\dire\cto\ry into \\127.0.0.1\c$\sub\dire\cto\ry (if the local IP is known, it can be used instead), but that's cheating, and I don't see any purpose to it.