Message-ID: <38A566AB.8ED6BCDF@maths.unine.ch>
Date: Sat, 12 Feb 2000 13:56:59 +0000
From: Gautier <gautier DOT demontmollin AT maths DOT unine DOT ch>
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Newsgroups: comp.os.msdos.djgpp
Subject: Re: Untrapping Ctrl-C in DJGPP
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To: djgpp AT delorie DOT com
DJ-Gateway: from newsgroup comp.os.msdos.djgpp
Reply-To: djgpp AT delorie DOT com

> So how does edit.com catch it?

> (open dos box)
> edit foo.c
> (type some garbage)
> (click close box)
> Save changes to foo.c?

Edit or Command *actively* check for close requests in their main event
loop using the interrupt I've mentioned. No signal received!
Here a small Pascal excerpt for an idle event loop (in EDIT.EXE):

   if W95 then begin
    if W95Close.Command(query) = close_selected then begin
      W95Close.Command(acknowledge); W95_closetime:= systime;
      e.What:= evCommand; e.command:= cmQuit; putevent(e)
    end;
    if W95Close.status = close_acknowledged then
      if abs(W95_closetime-systime) > 180 then W95Close.Command(cancel);
   end;

-- 
Gautier

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