Could you put a small file on the pendrive and test for that?

John Weller
01380 723235
07976 393631 


> 
> I need to backup the database and all tables to a pendrive. About a year
> ago I made a form using the drivetype function to detect that the
> pendrive had in effect been plugged to the machine.
> 
> It worked like a charm, but then, the OS was XP Prof.
> 
> Now the client switched to W7 Home Premium and the function does not work.
> 
> What it does is say, "yes, there is a pendrive there", when in fact
> there is none.
> 
> _I am using VFP9 SP 1_.
> 
> If you are curious, a snippet of the code I use is:
> 
> 
> local cDrives,cLetter,lOK
> 
> lOK = .f.
> 
> cDrives
> =[D:,E:,F:,G:,H:,I:,J;,K;,L:,M:,N:,O:,P:,Q:,R:,S:,T:,U:,V:,W:,X:,Y:,Z:]
> 
> For i = 1 to GetWordCount(cDrives,[,])
> 
>     cLetter = GetWordNum(cDrives,i,[,])
>     If InList(DriveType(cLetter),2,4)
>        lOK = .t.
>        thisform.cDriveLetter = cLetter
>        exit
>     else
>        lOK = .f.
>     endif
> 
> 
> EndFor
> 
> 
> Return lOK
> 
> The computer has 5 "buil-in" usb ports (G,H,I,J,K)
> 
> When the above loop reaches the G letter (or if I modify the cDrives
> string, the H,or I, etc. letters) it initializes the lOK variable to
> .T., when in reality, theres is no pendrive attached.
> 
> Why would this be? Is there any incompatibility with the DriveType
> function and Windows 7?
> 
> 
> TIA
> 
> Rafael Copquin
> 


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