Sam,
if you're just trapping strtoint convert errors then try:
strtointdef(get_markitem(2,msg), 0);
regards,
Steve
> -----Original Message-----
> From: Sam Clarke [mailto:[EMAIL PROTECTED]]
> Sent: Thursday, 21 June 2001 15:27
> To: Multiple recipients of list delphi
> Subject: RE: [DUG]: Exception Handling (Delphi 5)
>
>
> Thanks, that all makes sense, I didn't realise it did
> re-raise the exception
> if it was caught. However I tried both options and it didn't
> catch either.
> Here's the actual code.
> try
> device_id := strtoint(get_markitem(2,msg));
> except
> on EConvertError do
> device_id := 0;
> end;
>
> I also tried
>
> try
> device_id := strtoint(get_markitem(2,msg));
> except
> device_id := 0;
> end;
>
> IT raises the exception when get_markitem(2,msg) returns a
> null string (
> result = ''). (is this a null string??)
>
> Thanks so much for your help
> sam
>
>
> > -----Original Message-----
> > From: Steve Peacocke [SMTP:[EMAIL PROTECTED]]
> > Sent: Thursday, 21 June 2001 15:04
> > To: Multiple recipients of list delphi
> > Subject: Re: [DUG]: Exception Handling (Delphi 5)
> >
> > Nello Said lots of interesting things to show how dumb I
> really am :)
> > >if the exception rasied is not a MyException
> > >then the exception is not handled and 'Got Out'
> > >will not display
> >
> > That's an intersting discussion Nello and I can't wait to
> get home and try
> > it out. As I said, I hardly ever use the "On ExceptionName
> Do" but use the
> > general try/except.
> >
> > I find it particularly interesting that if you have a
> try/except such as
> >
> > Except
> > // do nothing
> > end;
> > ShowMessage('Here');
> >
> > Then on ANY exception 'Here' will show as Delphi has handled the
> > exception. But, if I understand you correctly, if you have
> >
> > except
> > on ExceptionName do
> > Show('Gotchya');
> > end
> > ShowMessage('Here');
> >
> > then if the exception is not an 'ExceptionName' exception,
> it will be the
> > same as if the exception is re-raised and 'Here' will not show.
> >
> > Thanks for the insight.
> >
> > Steve
> >
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