Anatoliy,

thanks, I will have a look at this.

Agnes

Update:

I have checked the link, the (DELPHI) solution is most like the FCREATE() thing. The problem with FCREATE() is, that it will come up with an Message box in a Cancel/retry/ignore style where ignore makes no sense to my programm.

Agnes
>No help from API functions GetDriveType, GetVolumeInformation etc.
>
>It seems to me the only way is to write something on this drive, or change its label with SetVolumeLabel API function.
>
>Check this link, same subject:
>http://www.experts-exchange.com/Programming/Programming_Languages/Delphi/Q_20654554.html
>
>Error code 19 = ERROR_WRITE_PROTECT