dev-cpp-users — Dev-C++ users discussion list

Re: [Dev-C++] infos on NET

[Benjamin W. <ben...@ho...>]

I would agree.  From what I have read/heard, .NET is Microsoft's newest 
development platform.

If you are looking to purchase Visual Studio 6.0, then I would say go for 
it.  You get many great tools and I have been using Visual C++ 6.0 for 
several years now and really do enjoy it.

The .NET package includes the latest Visual C++ ".NET" environment and 
incorporates the new C# (which is Microsoft's way of getting back into the 
JAVA market since they had their hands slapped on their Visual J++ project).

Sorry I cannot provide more information on it, but it has been more of a 
mystery and something I have stayed away from thus far.  I like my "old" 
tools too much.

Ben

>From: "Daniel Glenfield" <sp...@ho...>
>To: jsc...@gm..., dev...@li...
>Subject: Re: [Dev-C++] infos on NET
>Date: Thu, 07 Feb 2002 16:05:27 +0000
>


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[Dev-C++] Detecting termination of a process

[Alvin C G. <vin...@ed...>]

We can run programs by using CreateProcess. I get the Process' handle from that call. And that handle I pass to GetExitCodeProcess. I then get the exit code of the Process. If the process has not yet terminated its termination status is STILL_ACTIVE.

Question: If I was to run a process from my application and monitor it(detect if it is still running), how would I do it?

Would it be that I'll have to create loop, checking the GetExitCodeProcess if ExitCode is STILL_ACTIVE or another value? Would this method imply performance issues (slower system run)? or is there another way to check if the process is still running?

__________________________________
www.edsamail.com

Re: [Dev-C++] assembly help

[Lorenzo <co...@in...>]

> you can  use assembly in C/C+= code using the
>  asm("command"); concept. E.g. asm("mov AH,8");

GCC use the AT&T syntax  not Intel syntax.  I think exist a tool to convert
source from intel to at&t, it is related to gasm, but i don't safe.

----------------------------------------------------------------------------
---
If debugging is the process of removing bugs,
then programming must be the process of putting them in.
----------------------------------------------------------------------------
---

[Dev-C++] Question about handles and DLLs...

[<mr...@c2...>]

One question:

A DLL receives a HINSTANCE handle in it's DLLMain function that is 
invoked when the DLL is mapped into an application.

If I load a DLL with LoadLibrary, LoadLibrary returns a HINSTANCE 
handle to the DLL.

I was under the impression that this handle would be the same as the 
handle that the DLL itself receives in DLLMain, but it seems to be 
different.

Is this some MingW error, or is this correct behaviour?

Reason I ask is that if I try to set a hook with SetWindowsHookEx, 
and use the HINSTANCE that the DLL itself receives, the hook does not 
work. If I supply the HINSTANCE that LoadLibrary returned, then it 
works just fine.

In both cases SetWindowsHookEx returns a valid handle to the hook, 
but only in the latter case the hook is actually installed to the 
system...


-=D8yvind
---------------------------------
mr...@c2... @ work

RE: [Dev-C++] assembly help

[Ioannis V. <no...@ya...>]

I have not played with assembly but i have the strong impression that
you can  use assembly in C/C+= code using the
 asm("command"); concept. E.g. asm("mov AH,8");




Ioannis
 
* Ioannis Vranos
* Programming pages: http://www.noicys.d2g.com
* Alternative URL: http://run.to/noicys


> -----Original Message-----
> From: dev...@li... 
> [mailto:dev...@li...] On Behalf 
> Of David Mcken
> Sent: Thursday, February 07, 2002 11:05 PM
> To: dev...@li...
> Subject: [Dev-C++] assembly help
> 
> 
> will some one please help me figure out what is wrong with 
> the following 
> program
> 
> #include <iostream.h>
> #include <stdlib.h>
> 
> int main()
> {
>    char x, password[50];
>    cout << "Please enter your password" << endl;
> 
>    do{
>       // this code reads a character from the keyboard but 
> does not echo it
>       asm   mov AH,8
>       asm    INT 21H
>       asm    mov  x,AL
>       // this cout should say why I want to do this
>       cout << "*";
>       // add x to the end of password
>    } while (x != '\n');
>    cout << endl;
>    //the remainder of the program goes here
>    system("PAUSE");
>    return 0;
> }
> (this is an unfinished program)
> 
> I am getting the following erors
> 9   c:\windows\desktop\asm_eg.cpp    parse error before `AH'
> 10 c:\windows\desktop\asm_eg.cpp    nondigits in number and 
> not hexadecimal
> 
> I do not understand what is the problem is as it works fine 
> as part of a 
> pascal program
> 
> 
> _______________________________________________
> Dev-cpp-users mailing list
> Dev...@li...
> https://lists.sourceforge.net/lists/listinfo/dev-cpp-users
> 

RE: [Dev-C++] infos on NET

[Ioannis V. <no...@ya...>]

.NET is the idea of a virtual machine (CLR) running above the OS where
the applications run on it and all programming languages share common
functionality by which they can interoperate together. MFC, WIN32,
e.t.c. are replaced by BCL (Base Class  Library), that is a common
extensions library - a class hierarchy - the same for all languages. I
do not like virtual machines but this is another matter. Visual Studio 7
.NET is the upcoming release of VS. Borland is also about to release C++
Builder 6 which i consider far superior than VC++ both in abilities and
ANSI/ISO conformance.
 .NET will support (memory) garbage collection so as you do not need to
delete your pointers after you new or malloc() them, which is useless
for C++.
=20
=20
Ioannis
=20
* Ioannis Vranos
* Programming pages:  <http://www.noicys.d2g.com/>
http://www.noicys.d2g.com
* Alternative URL:  <http://run.to/noicys> http://run.to/noicys

-----Original Message-----
From: dev...@li...
[mailto:dev...@li...] On Behalf Of Daniel
Glenfield
Sent: Thursday, February 07, 2002 6:05 PM
To: jsc...@gm...; dev...@li...
Subject: Re: [Dev-C++] infos on NET



I believe .NET is new from microsoft, it's to do with C# and Java. I
would appreciate any information as well!!! I don't think .NEt has
"taken off" yet so we shall have to wait and see.

=20

Oh and the phrase is=20

Thanks in advance


not Thanks in progress. Thought you might like to know, I know how tough
languages can be.

Daniel


>From: "J=FCrgen Schuhmacher"=20
>Reply-To: jsc...@gm...=20
>To: "Christopher D. Reimer"=20
>CC: dev...@so...=20
>Subject: [Dev-C++] infos on NET=20
>Date: Thu, 7 Feb 2002 15:51:52 +0100=20
>=20
>=20
>Hi sorry for writing privately :=20
>=20
>but do you know about Visual Studio NET ?=20
>=20
>I am about to purchase Visual Studio 6.0 - ist this "NET" an adding=20
>or a replacement ? - any Idea ?=20
>=20
>thanks in progress, J=FCrgen=20
>=20
>=20
>=20
>_______________________________________________=20
>Dev-cpp-users mailing list=20
>Dev...@li...=20
>https://lists.sourceforge.net/lists/listinfo/dev-cpp-users=20

  _____ =20

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[Dev-C++] about debugging a C program

[<jav...@ya...>]

I have a C program that reads a text file. the exe
read it very well but if I try to debug the program
the debugger fails to open it.

I use a fopen call like this:

if ((fp = fopen(name, mode)) == NULL)
   error("Cannot open");
...

with the debugger I always get NULL 

Any sugestions?

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[Dev-C++] assembly help

[David M. <ci...@ya...>]

will some one please help me figure out what is wrong with the following 
program

#include <iostream.h>
#include <stdlib.h>

int main()
{
   char x, password[50];
   cout << "Please enter your password" << endl;

   do{
      // this code reads a character from the keyboard but does not echo it
      asm   mov AH,8
      asm    INT 21H
      asm    mov  x,AL
      // this cout should say why I want to do this
      cout << "*";
      // add x to the end of password
   } while (x != '\n');
   cout << endl;
   //the remainder of the program goes here
   system("PAUSE");
   return 0;
}
(this is an unfinished program)

I am getting the following erors
9   c:\windows\desktop\asm_eg.cpp    parse error before `AH'
10 c:\windows\desktop\asm_eg.cpp    nondigits in number and not hexadecimal

I do not understand what is the problem is as it works fine as part of a 
pascal program

Re: [Dev-C++] Some Question

[<mr...@c2...>]

> As for API call to conect I don't know, although I think that IE
> exposes an interface that may help you. Check out the MSDN web site
> and you may find more info?

Easiest is to use the API functions in wininet.dll.

Gives you access to http, ftp and gopher protocols on a high level. 
You don't have to mess with direct winsock programming.

The MSDN site has excellent info on how to use it, ref:

http://msdn.microsoft.com/library/default.asp?url=3D/workshop/networking
/wininet/wininet.asp


Include the wininet.h header file, and add libwininet.a in "Project 
options" under "Further object files".

-=D8yvind

   ____________________________________________
   =D8yvind Kaurstad, Granittveien 51, 4340 Bryne 
   Tlf: 51 48 87 17, Mob: 990 86 990     
   Email: mr...@c2...            ICQ#28366979

Re: [Dev-C++] Some Question

[Jason H. <jas...@bt...>]

To run a program you can use the ShellExecuteEx() function which is detailed
in the Win32 API, and IE shouldn't be too hard to find, I think it will be
on a standard path, although to be thourough you may need to check for the
path (i.e. via the registry)

As for API call to conect I don't know, although I think that IE exposes an
interface that may help you. Check out the MSDN web site and you may find
more info?

Jason.

----- Original Message -----
From: "Johnny Dessì" <jd...@da...>
To: "Dev-Cpp" <dev...@li...>
Sent: Thursday, February 07, 2002 9:54 PM
Subject: [Dev-C++] Some Question


> Some Question:
>
> 1) How can I Open IE from my                     Application?
> 2) If is not too difficult, Can I Open a connection with Internet using
> APIs?
>
> Thanks for Answers
>
>
>
>
> _______________________________________________
> Dev-cpp-users mailing list
> Dev...@li...
> https://lists.sourceforge.net/lists/listinfo/dev-cpp-users

[Dev-C++] Some Question

[<jd...@da...>]

Some Question:

1) How can I Open IE from my                     Application?
2) If is not too difficult, Can I Open a connection with Internet using
APIs?

Thanks for Answers

[Dev-C++] about DevC++ and GSL

[Neli <ne...@di...>]

Hi

We would like to use the GSL library from
http://gnuwin32.sourceforge.net/,
where (we suppose so) may be work in MS-Windows environment.
We copied the "include" files on appropriate directories (include/gsl)
and all
the *.a libraries in /lib.
A naive question: is that sufficient? Anybody knows how the Dev-C++
dealing
with "external" libraries?
We tried to compile a test file (the same on manual!) and the log said:
"undefined reference to 'gsl_sf_bessel_J0' ".

TIA


Neli Ortega

[Dev-C++] Re:multi-module programming

[carlos D. M. <cg...@wo...>]

Thank you all. I hope the indications about multi module programming to
be enough (sorry my english).
Now it can remain the communication between them, but I'll bother with
that.
But I am trying to learn myself, and it seems the books I read are a
little poor, an exercise says "if the student want to make graphic
output", so I thought, "I never saw this to be part of pure C++, but I'm
learning, and not meet any programmer, perhaps I am wrong and it is" In
dev site I found a link to download BGI. It seems enough, for now (I
don't need draw Gioconda, and allegro... it's good, but seems to have a
little of points that perhaps don't interest me)
Regarding conversion .lib to .a I found a page which said it is done
with
mv file.lib file.a
I did it in my cygwin and it worked. It seems to be a simply rename of
file. So I don't need it yet.

Re: [Dev-C++] infos on NET

[Daniel G. <sp...@ho...>]

<html><div style='background-color:'><DIV>
<P>I believe .NET is new from microsoft, it's to do with C# and Java. I would appreciate any information as well!!! I don't think .NEt has "taken off" yet so we shall have to wait and see.</P>
<P>&nbsp;</P>
<P>Oh and the phrase is </P>
<P>Thanks in advance<BR></P>
<P>not Thanks in progress. Thought you might like to know, I know how tough languages can be.</P>
<P>Daniel<BR></P></DIV>
<DIV></DIV>
<DIV></DIV>&gt;From: "Jürgen Schuhmacher" <JSC...@GM...>
<DIV></DIV>&gt;Reply-To: jsc...@gm... 
<DIV></DIV>&gt;To: "Christopher D. Reimer" <CR...@RA...>
<DIV></DIV>&gt;CC: dev...@so... 
<DIV></DIV>&gt;Subject: [Dev-C++] infos on NET 
<DIV></DIV>&gt;Date: Thu, 7 Feb 2002 15:51:52 +0100 
<DIV></DIV>&gt; 
<DIV></DIV>&gt; 
<DIV></DIV>&gt;Hi sorry for writing privately : 
<DIV></DIV>&gt; 
<DIV></DIV>&gt;but do you know about Visual Studio NET ? 
<DIV></DIV>&gt; 
<DIV></DIV>&gt;I am about to purchase Visual Studio 6.0 - ist this "NET" an adding 
<DIV></DIV>&gt;or a replacement ? - any Idea ? 
<DIV></DIV>&gt; 
<DIV></DIV>&gt;thanks in progress, Jürgen 
<DIV></DIV>&gt; 
<DIV></DIV>&gt; 
<DIV></DIV>&gt; 
<DIV></DIV>&gt;_______________________________________________ 
<DIV></DIV>&gt;Dev-cpp-users mailing list 
<DIV></DIV>&gt;Dev...@li... 
<DIV></DIV>&gt;https://lists.sourceforge.net/lists/listinfo/dev-cpp-users 
<DIV></DIV></div><br clear=all><hr>Send and receive Hotmail on your mobile device: <a href='http://go.msn.com/bql/hmtag2_etl_EN.asp'>Click Here</a><br></html>

[Dev-C++] infos on NET

[<jsc...@gm...>]

Hi sorry for writing privately :

but do you know about Visual Studio NET ?

I am about to purchase Visual Studio 6.0 - ist this "NET" an adding 
or a replacement ? - any Idea ?

thanks in progress, J=FCrgen

[Dev-C++] Shared data sections.

[<mr...@c2...>]

Does anyone know how to get shared data segments to work
with Dev-C++?

This code compiles fine, but the resulting DLL contains no shared 
data segment:

#pragma data_seg(".SHARED")

int sharedvar =3D 0;

#pragma data_seg()
#pragma comment(linker, "/section:.SHARED,RWS")


I don't think the linker gets the comment from the last #pragma here, 
so is there any other way of telling this to the linker?

I tried adding the "/section:SHARED,RWS" (without quotes) to the 
"additional linker options" field in Project options for Dev-C++, but 
it doesn't have any effect. No errors either, it probably does not 
make it to the linker.

The linker also outputs a warning about a missing .def file, and that 
"dllwrap will create one, but it may not be what you want", how do I 
get rid of this?

Surely someone know the answers to these questions, or maybe have a 
link that explains how to do it?


-=D8yvind

---------------------------------
mr...@c2... @ work

RE: [Dev-C++] multi-module programming

[Ioannis V. <no...@ya...>]

> -----Original Message-----
> From: dev...@li...=20
> [mailto:dev...@li...] On Behalf=20
> Of carlos GARC=CDA DEL MONTE
> Sent: Wednesday, February 06, 2002 7:39 PM
> To: dev...@li...
> Subject: [Dev-C++] multi-module programming
>=20
>=20
> I was wondering if there are some site for read about=20
> programming which teachs how to make programs that use more=20
> than one exe. So I run one exe, say the main, and then it=20
> calls other exes while running for make some specific works,=20
> and if possible the other exes run hidden from screen. I=20
> searched in some search sites; but, as always, it gives a lot=20
> of sites where I find things I don't want.


Running code simultaneously is system dependent and is called
concurrency. In Windows this can be done using threads.


>=20
> /*And either confirm if there is no way of make graphic,=20
> although low quality, with pure c(++), either in console.*/


I assume by pure C/C++ you mean ANSI C/C++. Graphics is a system
dependent feature, so it is not part of the ANSI C/C++ standard. So you
can create graphics using a C/C++ graphics library. For Windows there is
DirectX, OpenGL e.t.c.. For console there are many too, including
Allegro library. The URL for Allegro is http://www.allegro.cc/ . At
http://www.allegro.cc/files/ there is a distribution for Dev-C++!



Ioannis
=20
* Ioannis Vranos
* Programming pages: http://www.noicys.d2g.com
* Alternative URL: http://run.to/noicys
=20

[Dev-C++] multi-module programming

[carlos D. M. <cg...@wo...>]

I was wondering if there are some site for read about programming which
teachs how to make programs that use more than one exe. So I run one
exe, say the main, and then it calls other exes while running for make
some specific works, and if possible the other exes run hidden from
screen. I searched in some search sites; but, as always, it gives a lot
of sites where I find things I don't want.

/*And either confirm if there is no way of make graphic, although low
quality, with pure c(++), either in console.*/

I am interested either in that utility for convert .a files to .lib
files, it appeared recently in the mail, but I deleted the message by
error, and in web search I found
http://www.acc.umu.se/~anorland/gnu-win32/ which says acces denied. In
its search link I search for reimp(an utility I read in other page does
what I want, but links to the previous site), and lib.exe and link.exe,
which are either said to do so, but no results.

[Dev-C++] API hooking problems, please help.

[<mr...@c2...>]

Hi all,

I'm new to this list, and I've found no way to search the list 
archives, so I'm posting the questions here. I've also posted this at 
the Dev-C++ forum at Sourceforge, but no answers as of yet.

Goal:
I want to use the API hooking functions to monitor the messages to 
another process/thread.

What I have done:
I've read most of the docs over at the MSDN site regarding this, and 
I've understood that to hook other processes the hook function must 
reside in a DLL.

So far so good.

I've created a DLL that contains a LRESULT CALLBACK function of type 
GetMsgProc as described in the MSDN docs. The DLL also contains 
functions for installing the hook, releasing the hook, and to read 
data from a shared data segment within the DLL. This segment is 
created with the #pragma data_seg() directive, like so:

#pragma data_seg(".SHARE")

// shared, initialized data here...

#pragma data_seg()
#pragma comment(linker,"/SECTION:.SHARE,rws")

In my (exported) Install_hook function I call SetWindowsHookEx with 
the appropriate parameters, and it returns a valid hook handle, which 
is stored in the shared data segment.

My hook function looks at the messages it retrieves, and sets 
variables in the shared data segment accordingly. It also returns the 
value from CallNextHookEx, as per MSDN spec.

In my application I load this DLL with LoadLibrary (I want to use run-
time linking for different reasons), and call GetProcAddress to get 
the addresses to my exported functions.

I then call my Install_hook function to install the hook. In this 
call I specify the dwThreadId parameter that is passed to 
SetWindowsHookEx.

What happens next is that if I specify a dwThreadId of 0 to indicate 
I want a system hook, my callback function is called, but only with 
messages that is sent to my own application.

It seems my hook only hooks my own app, despite that I asked for a 
system hook, and despite that SetWindowsHookEx indicated that all is 
ok.

Now, I really don't want a system hook, but if I supply a specific 
thread id in the call, my hook function is never called.
SetWindowsHookEx nevetheless returns a valid hook handle. If I supply 
a non-existing or illegal thread id on purpose, SetWindowsHookEx 
returns NULL, as it should.

Why does SetWindowsHookEx return a valid hook handle when it 
obviously only hooks my own app that loaded the DLL in the first 
place?

I should add that I'm not very proficient in using DLL's, and I'm 
very blank when it comes to makefiles.

I use the Dev-C++ IDE for everything, including linker options etc.
When I compile my DLL I get a linker warning that I haven't provided 
a .def file, and that dllwrap will create one for me, but I don't 
know if this problem is related to that. The DLL seems to work ok 
when viewed from my own app.

If this is the problem, could someone tell me how to proceed? If I 
had a .def file, how could I tell the linker to use this file, 
preferrably from within the IDE/Project options?


Best regards
-=D8yvind

---------------------------------
mr...@c2... @ work

RE: [Dev-C++] General Windows thing

[Kenneth A. <dig...@ho...>]

yep, i just figured knowing all the nuances of the various Windows would be 
a good thing.  A good tech knows the field real well.


>From: "Christopher D. Reimer" <cr...@ra...>
>To: gisan <gi...@li...>
>CC: dev...@so...
>Subject: RE: [Dev-C++] General Windows thing
>Date: Tue, 5 Feb 2002 10:37:22 -0800 (PST)
>
>On Tue, 5 Feb 2002, gisan wrote:
>
> > Sorry if my question sounds silly, but what is an "A+" exam? What does 
>it
> > deal with?
>
>It's a certification program that supposed to certify that you have 18 to
>24 months of work experience with PC hardware and DOS/Windows OS.  This is
>useful if you want to become a PC tech, or, if you already know this
>stuff, to get a quick certification to put on your resume.  The same
>outfit that conducts A+ also has related programs for networking and
>internet.
>
>After getting the A+, you might want to pursue any of the programs offered
>by Cisco, Microsoft or Novell.
>
>I will probably be taking the A+ exam during the summer.  I'm currently
>working for a second associate degree in web application development by
>taking two classes per semester at the local community college.  I have
>four years experience in software quality assurance.
>
>Christopher Reimer
>
>
>_______________________________________________
>Dev-cpp-users mailing list
>Dev...@li...
>https://lists.sourceforge.net/lists/listinfo/dev-cpp-users




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[Dev-C++] Re: Dev-cpp-users digest, Vol 1 #602 - 15 msgs

[David M. <ci...@ya...>]

This is a weird problem that I have as well
when do you have this problem
I am trying out allegro and whenever I compile I
get this error
gcc: -lalleg: linker input file unused since linking not done
if you are having a similar problem try this out

after you compile click on the run button
your program should link and then run
if you found an error and want to run it again
rebuild and then click on the run button

>From: "Horst Roessner" <hr...@un...>
>To: dev...@li...
>Date: Sat, 02 Feb 2002 17:07:46 GMT
>Subject: [Dev-C++] no output
>
>Hello,
>
>dec-c++ compiled my project with 0 errors, generates .o files but no
>executable, like .exe. What could be the reason ? I have no idea.
>Thanks for every hint
>greetings
>Horst


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RE: [Dev-C++] General Windows thing

[Christopher D. R. <cr...@ra...>]

On Tue, 5 Feb 2002, gisan wrote:

> Sorry if my question sounds silly, but what is an "A+" exam? What does it 
> deal with?

It's a certification program that supposed to certify that you have 18 to
24 months of work experience with PC hardware and DOS/Windows OS.  This is
useful if you want to become a PC tech, or, if you already know this
stuff, to get a quick certification to put on your resume.  The same
outfit that conducts A+ also has related programs for networking and
internet.

After getting the A+, you might want to pursue any of the programs offered
by Cisco, Microsoft or Novell.

I will probably be taking the A+ exam during the summer.  I'm currently
working for a second associate degree in web application development by
taking two classes per semester at the local community college.  I have
four years experience in software quality assurance.

Christopher Reimer  

RE: [Dev-C++] General Windows thing

[gisan <gi...@li...>]

At 00:07 05/02/02 -0500, Kenneth Armstrong wrote:
>...  I'm training for the A+ exam ...

Sorry if my question sounds silly, but what is an "A+" exam? What does it 
deal with?

Thanks for your answer.


--
gisan
gi...@li...

RE: [Dev-C++] General Windows thing

[Ioannis V. <no...@ya...>]

> -----Original Message-----
> From: dev...@li... 
> [mailto:dev...@li...] On Behalf 
> Of Kenneth Armstrong
> Sent: Tuesday, February 05, 2002 7:08 AM
> To: dev...@so...
> Subject: RE: [Dev-C++] General Windows thing
> 
> 
> OK, i didn't mean to start a war.  I'm training for the A+ 
> exam and I'm 
> trying to be 'fluent' in the various quirks that various 
> Windows versions 
> offer.  Each one does have its own flavor and I'm just trying 
> to stay on top 
> of things.  Just trying out different things.


No intention for war from me too. :) What is A+?



Ioannis
 
* Ioannis Vranos
* Programming pages: http://www.noicys.d2g.com
* Alternative URL: http://run.to/noicys

RE: [Dev-C++] General Windows thing

[Kenneth A. <dig...@ho...>]

OK, i didn't mean to start a war.  I'm training for the A+ exam and I'm 
trying to be 'fluent' in the various quirks that various Windows versions 
offer.  Each one does have its own flavor and I'm just trying to stay on top 
of things.  Just trying out different things.


>From: "Ioannis Vranos" <no...@ya...>
>To: "Dev-C++" <dev...@li...>
>Subject: RE: [Dev-C++] General Windows thing
>Date: Tue, 5 Feb 2002 05:37:59 +0200
>
> > -----Original Message-----
> > From: dev...@li...
> > [mailto:dev...@li...] On Behalf
> > Of Christopher D. Reimer
> > Sent: Tuesday, February 05, 2002 12:07 AM
> > To: Ioannis Vranos
> > Cc: Dev-C++
> > Subject: RE: [Dev-C++] General Windows thing
> >
> > That assumes that every previous version of Windows has an
> > updated version of the common libraries, or your code uses
> > functions that are common to all previous versions.  If your
> > program is spec'd to be useable on different versions of
> > Windows, you will find it necessary to test on a multiboot
> > machine or use hard drive images.  If all you care about is
> > running your program on the latest and greatest OS, then
> > previous versions of the OS doesn't matter.
> >
> > Christopher Reimer
>
>The libraries (=C/C++functions and classes) are part of the compiler and
>not the OS. They are updated by every new version or service pack of the
>compiler and they are different among various compilers (e.g. Borland
>uses VCL, you can choose to program in opengl instead of directx
>e.t.c.). The source code of these libraries gets compiled and the exe is
>produced. The exe runs the same way on every win32 system. The same
>applies for any OS. An exe that runs on dos 6.22 should run in all dos
>versions. The exe will not run only in the case of a radical change,
>that is the OS wants a different type of EXE.
>
>
>Ioannis
>
>* Ioannis Vranos
>* Programming pages: http://www.noicys.d2g.com
>* Alternative URL: http://run.to/noicys
>
>
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