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Date:	Thu, 14 Oct 2004 03:50:36 -0400
From:	Robert Pendell <shinji257 AT gmail DOT com>
Reply-To:	Robert Pendell <shinji257 AT gmail DOT com>
To:	cygwin AT cygwin DOT com
Subject:	Re: non-interactive cygwin setup
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Well there are ways to make a console/gui hybrid application (or at
least I read that it could be done) but there are a few tricks that
you have to pull.  It would be invisible to the end-user in the end
though.


On Thu, 14 Oct 2004 01:12:20 -0500, Gary R. Van Sickle
<g DOT r DOT vansickle AT worldnet DOT att DOT net> wrote:
> [snip]
> > >I thought if a GUI app called printf it generally caused a
> > console to
> > >be opened for it.  Maybe that's only with msvcrt.  In any case, the
> > >fact is that it is being run from a cmdline and so it certainly can
> > >communicate with the console.  The presence of command-line
> > options in
> > >argc/argv could be taken as a fairly strong hint that it was
> > being run
> > >from a shell rather than an icon.  And there's always
> > "isatty (1)" if
> > >you really really want to be sure.
> >
> > This is a windows limitation.  GUI apps (apps created with
> > -mwindows) can't send output to or receive input from the
> > console.  Of course, a GUI can interpret command line
> > information.  It just cannot send output to the console that
> > started it.
> >
> > You could use AllocConsole to create a separate console which
> > the GUI could then use, however.
> 
> Here's a maybe-less-icky way to do it.  Have two exes, one "setup.exe" which
> is a 100% command-line program that normally just spawns "winsetup.exe", the
> current GUI setup, and goes away.  Give it "--help", and it prints help in
> the regular command-line way and exits.  Yeah, two exes, but worse tragedies
> have happened.
> 
> --
> Gary R. Van Sickle
> 
> 
> 
> 
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> 


-- 
Robert Pendell
shinji257 AT gmail DOT com

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