E' solo un modo di rappresentare il codice e i parametri ...
es:

fim file as integer
file = freefile
dim stringa as string
if (dir("testo.txt") <> "") then
open "testo.txt" for input as #file
line input #file, stringa
msgbox (stringa)
close [#]<numero file>
else
open "testo.txt" for output as #file
stringa = "Ciao mondo"
print #file, stringa
close [#]<numero file>
end if

http://www.dlamonica.netsons.org/tut...index.php?id=2