Path: utzoo!utgpu!jarvis.csri.toronto.edu!rutgers!apple!AppleLink.Apple.Com!Greg
From: Greg@AppleLink.Apple.Com (Greggy)
Newsgroups: comp.sys.mac.programmer
Subject: Re: ResError Bug?
Message-ID: <2641@internal.Apple.COM>
Date: 5 Jul 89 01:25:55 GMT
References: <5914@hubcap.clemson.edu>
Sender: usenet@Apple.COM
Organization: Apple Computer, Inc.
Lines: 30

In article <5914@hubcap.clemson.edu> mikeoro@hubcap.clemson.edu (Michael K 
O'Rourke) writes:
> I am trying to read a PICT resource into my application.  I have a 
> if-then statment which checks to see if the resource really existed,
> but it never gets called in the error case.
> 
> The code is:
> 
> pict := PicHandle(Get1Resource('PICT',pictNumber));
> if ResError = noErr then
>     { do something}
> else
>     { handle error }
> 
> Well, i went in and found out that ResError ALWAYS returns noErr.
> What's up?

Get[1]Resource will return NIL if the resource is not present.
ResError's "feature" of always returning noErr makes it useless
in this case.

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  + Greg Marriott               +                    AppleLink: Greg +
  + Just Some Guy               +                                    +
  + "My phone is always busy"   + Internet: Greg@AppleLink.Apple.Com +
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  + Apple Computer, Inc.                                             +
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  + (408)974-busy                                                    +
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