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Article #86779Re: Exception handling question. PLEASE HELP.
From: Sabrena Alvin
Date: Thu, 12 Dec 1996 00:00
Date: Thu, 12 Dec 1996 00:00
43 lines
2494 bytes
2494 bytes
Simon Carter wrote:
>
> You could try using DiskFree function if the drive is not ready it will
> return -1
>
> Simon Carter
>
> Thomas W. Olson <tolson@advancegroup.com> wrote in article
> <01bbe537$bb381f40$330808ce@tolson.ppp>...
> > I have been to about a half dozen sites for programmer's and they all
> have
> > these offers to make money, but nobody seems to know anything about
> > programming.
> >
> > I am trying to handle the EInOutError exception. The scenario is this:
> > When the user sets the Drive control to drive A and there is no disk in
> the
> > drive, the EInOutError exception gets raised. I want the user to be able
> > to press a Retry button on a message box and have the drive retried. So
> > far I have not been able to do this.
> >
> > PLEASE HELP
> >
> > Sincerely,
> >
> > Just Learning
> >
> >
try using the SELECTDIRECTORY in the following procedure:
var
dir: string;
l: longint;
begin
dir := 'A:\';
try
SelectDirectory(Dir, [], l)
except
messagedlg( 'Drive not ready.', mtError, [mbRetry, mbAbort], 0 );
end;
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X-Google-Language: ENGLISH,ASCII-7-bit X-Google-Thread: 16c3bf,752c4e37d7cf87f5 X-Google-Attributes: gid16c3bf,public X-Google-Thread: 107d8b,752c4e37d7cf87f5 X-Google-Attributes: gid107d8b,public X-Google-Thread: fd817,752c4e37d7cf87f5 X-Google-Attributes: gidfd817,public X-Google-Thread: 1006bf,752c4e37d7cf87f5 X-Google-Attributes: gid1006bf,public X-Google-Thread: f5380,752c4e37d7cf87f5 X-Google-Attributes: gidf5380,public X-Google-Thread: f973d,752c4e37d7cf87f5 X-Google-Attributes: gidf973d,public X-Google-Thread: 105ac8,752c4e37d7cf87f5 X-Google-Attributes: gid105ac8,public From: Sabrena Alvin <sabrenaa@atl.mindspring.com> Subject: Re: Exception handling question. PLEASE HELP. Date: 1996/12/12 Message-ID: <32B06036.36F2@atl.mindspring.com> X-Deja-AN: 203756364 references: <01bbe537$bb381f40$330808ce@tolson.ppp> <01bbe842$551a67a0$f0e849c2@simon.tmsnet.co.uk> to: Simon Carter <sc4vb@geocities.com> x-server-date: 12 Dec 1996 19:34:02 GMT content-type: text/plain; charset=us-ascii organization: MindSpring Enterprises mime-version: 1.0 newsgroups: a.bsu.programming,adass.iraf.programming,alt.comp.borland-delphi,alt.comp.lang.borland-delphi,alt.lang.delphi,othernet.sganet.programming,viwa.programming x-mailer: Mozilla 2.02 (Win95; I)