From:	Damian Yerrick <Bullcr_pd_yerrick AT hotmail DOT comRemoveBullcr_p>
Newsgroups:	comp.os.msdos.djgpp
Subject:	Re: Allegro GUI query
Organization:	Pin Eight Software http://pineight.8m.com/
Message-ID:	<kp7ass49mtnuqofnt80bcpiqhv0aj4t51k@4ax.com>
References:	<39c41012_4 AT spamkiller DOT newsfeeds DOT com> <969175865 DOT 827425 AT shelley DOT paradise DOT net DOT nz>
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NNTP-Posting-Date:	Sun, 17 Sep 2000 19:47:36 GMT
Distribution:	world
Date:	Sun, 17 Sep 2000 19:47:36 GMT
To:	djgpp AT delorie DOT com
DJ-Gateway:	from newsgroup comp.os.msdos.djgpp
Reply-To:	djgpp AT delorie DOT com

On Sun, 17 Sep 2000 19:33:27 +1200, "Edmund Horner"
<ejrh AT paradise DOT net DOT nz> wrote:

>Yep, the problem is a _pain_, but it's obvious.
>
>In your DIALOG definition table, you copy the uninitialised value of Bmp
>into the d_icon_proc() record.  It's only later that Bmp gets set to what
>you want.  d_icon_proc() is still referring to the junk value it started out
>with.
>
>Solution: Before you call do_dialog(), you need to have a line like (in this
>case):
>
>the_dialog[5].dp = Bmp;
>
>I know how annoying it is, trust me!  But there's not really much you can do
>about it without radically changing your program.

Except making the dialog a local variable that's initialized _after_
the bitmap is loaded:

bmp = load_bitmap("foo.bmp", pal);
{
  DIALOG dlg[] = { ... };
  hit_button = do_dialog(dlg, 1);
}

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