You could also use FileXtra4 to do this same method (writing a file and then deleting it), and you can delete the file without opening it.
Charlie Fiskeaux II Media Designer The Creative Group www.cre8tivegroup.com 859/858-9054x29 cell: 859/608-9194 ----- Original Message ----- From: "Brennan" <[EMAIL PROTECTED]> To: "Lingo-L Digest" <[EMAIL PROTECTED]> Sent: Thursday, July 24, 2003 7:34 AM Subject: <lingo-l> detecting whether projector is running from write protected drive > Hi folks, > > I want to find out whether my projector is running from a write protected > drive. I don't want to rely on Windows drive letters because I want a > cross platform solution and in any case, an increasing number of people > have more than one write protected drive on their windows box. (e.g. both > a DVD and CD drive). > > This turned out to be trickier than I thought. I felt sure there would be > some system property, or that buddyAPI or fileio would do it for me. > > In the end, I've opted for fileIO, but it's a bit messy. FileIO will not > report an error if I try to open a file with the 'write' flag set to true, > which strikes me as a bug. > > It will, however, cause an error if I try to create a file on a > non-writable drive, although if the drive is writable, I then have to > 'clean up' and remove the dummy file that got created, which requires also > that I open it. (You can only delete a file that is open with fileIO). > This seems like a lot of messing about, but it works. > > Here's my code, does anyone have a slicker approach? Suggestions for > freeware xtras are welcome. > > on moviePathWritable > > f = new(xtra "fileio") > dummyFilePath = the moviepath & "zxxxxxxz.txt" > f.createFile(dummyFilePath) > errCode = f.status() > > if errCode <> 0 then > -- some error, assume that disk can not be written to > return false > end if > > f.openfile(dummyFilePath, 0) > f.delete() > return true > > end > > Brennan > [To remove yourself from this list, or to change to digest mode, go to http://www.penworks.com/lingo-l.cgi To post messages to the list, email [EMAIL PROTECTED] (Problems, email [EMAIL PROTECTED]). Lingo-L is for learning and helping with programming Lingo. Thanks!] > [To remove yourself from this list, or to change to digest mode, go to http://www.penworks.com/lingo-l.cgi To post messages to the list, email [EMAIL PROTECTED] (Problems, email [EMAIL PROTECTED]). Lingo-L is for learning and helping with programming Lingo. Thanks!]
