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Message-ID:	<3793000B.A88D3A3D@cyberbotics.com>
Date:	Mon, 19 Jul 1999 10:38:20 +0000
From:	Emanuele Ornella <emanuele DOT ornella AT cyberbotics DOT com>
Reply-To:	emanuele DOT ornella AT cyberbotics DOT com
Organization:	Cyberbotics Ltd.
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To:	cygwin AT sourceware DOT cygnus DOT com
Subject:	Function allowed only in Win32 mode !!!

Hi,

I'm porting an application from Linux to Windows. I use MSVC++ 6.0 for
this. This application is a robot simulator, and the robots are
different application that the user can develop in C/C++.
The problem is that no everybody (fortunatly) use MSVC, and I want
provide with the simulator a free user compiler, like CygWin. So I
converted the .dll (using the tool you exlpain in your pages) and so on.

What's the problem on this? From the controller program of a robot an
user can use some GUI windows and widgets, the same used in the
simulator and sotred in some dlls. When a controller is launched, it
registers some windows classes, and use these buid-up windows for create

the guis. If I compile with CygWin I had an error returned when use the
RegisterClass or RegisterClassEx: "This function can be used only on
Win32 mode" (something like this; it's a translation) and then crashs.
If I compile with MSVC++ this dosen't happen!
I try with console application, and with Win32 application, using and
not using "-mwindows". I also try to use different class name for the
same type of window class.
What I thought is that maybe I have to set some flags in the makefile.
I also try some examples  in which the RegisterClassEx is used
(it's really a normal win32 application). So I don't understand why in
my application I cannot use it. Maybe it's a problem with DLL (I used
impdef.exe
utility to create the .def and so on).


If you can help me, thank you very much.

Here is the makefile


NAME = gui

LIBRARY  = -L../../lib -lController -lKhepera   -mwindows
CC_OPTS  = -c -I../../include -DSIMULATION -Wall

$(NAME):        $(NAME).o
                $(CC) -o $(NAME) $(NAME).o $(LIBRARY)

$(NAME).o:      $(NAME).c
                $(CC) $(CC_OPTS) $(NAME).c

clean:
        -rm -f *.o *~ $(NAME)



--
Emanuele DOT Ornella AT cyberbotics DOT com
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