dev-cpp-users Mailing List for Dev-C++

Bad idea. Definitely complex.

If you really, really, really have to, you can communicate with a running
Excel application and send/receive data, but it isn't easy. And trying to
read and/or write *.xls files are not something you want.

If you need to share data between Excel and your program, it's easier  to
let Excel access the data from an alternative source.

Export/import of comma-separated text files, storing data in an Access
database etc.

/Per W

On Tue, 7 Jan 2003, Louis Godio wrote:

>
> I trying to use DEV C++ (and the built-in compiler of course) to access
> MS  EXCEL files. The basic idea is to use an  EXCEL file as a data source
> for my C++ code.
>
> Any one have any ideas or experience on this matter ? Is it an easy or
> complex thing to do ?
>
> Any help would be appreciated
>
>
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Hi, all !

I have a little problem with compiling project using Windows95 Shell
and COM. Does anybody know how to compile, for example, next example ?

                          (see attachment)

________________________________________ mailto:va...@uk... _______

Whenever I try to run vUpdate it always crashes while downloading a
package.  I've only had one package get through, which was Akrip.devpak.
I'm not asking for help with vUpdate, unless you want to try to figure out
my problem.  Is there another place I can download the packages from,
without vUpdate? (eg. through Internet Explorer)

----- Original Message -----
From: "Steve Bertrand" <iac...@no...>
To: <dev...@li...>
Sent: Tuesday, January 07, 2003 7:55 PM
Subject: [Dev-C++] using 2 .c files


> Hi there, this is my first post, so please forgive me if my message is
> out of context for this list.
>
> I am building an application in c++ on freebsd, and can't get 2 .c files
> to merge properly.  When I compile, I get 'undefined CServer' when I
> compile. I tried defining the 'server' variable with extern, but I don't
> know if I was using extern in the proper context. For instance, here are
> snippets of the 2 files:
>
Each file you make must have the definitions of all the objects you use in
it.
Your file main.cc uses the class CServer, but it does not have a definition
of it.
You can put  the declaration of class CServer in a header file and include
that header file in server.cc and in main.cc

> -----snip server.cc--------
>
> #include "myheader.h"
>
> class CServer {
>     int var1;
>     int var2;
>     string var3;
>     string var4;
>
>     void addServer(int, string, string);
> }
>
> void CServer::addServer(int a, string b, string c) {
>
> var3 = c;
> var4 = b;
> var3 = a;
> }
>
> --------end snip server.c-----------
>
> ------snip main.cc-----------
>
> void main() {
>
> CServer *server;                    // The problem is here.
> server = new CServer;
>
> server.addServer(feedvar, feedvar, feedvar);
>
> /* Do some other stuff */
>
> ----------end snip main.cc---------
>
I do´nt understand exactly what your second problem is, but I think it might
be that
server.cc does not have the object db_connection you define in main.cc
You can try to add in server.cc:

extern Connection db_connection;

before you work with the connection.

Wobien

> Another problem: In this same program, I would like main.cc to connect
> to a mysql database early in main(), then allow the server.cc file (more
> specifically, the member functions of CServer) to read/write to the db.
>  I know the mysql syntax is correct, as when I put all of the code in
> one file, everything works ok.  Is this another extern problem?  What
> part of the mysql code to I have to initialize with extern and where?
>  Example:
>
> main.c------
>
> // all of the mysql db stuff defined and included in 'myheader.h'
> #include "myheader.h"
>
> main() {
>
> Connection db_connection;
> db_connection.connect(//send db info here)
>
> end snip main.c----------
>
> Eventually, the server.c file opens up a table, then does it's thing,
> but when compiling, it seems as though the database connection doesn't
> even exist (from the point of view of server.c).
>
> What is the easiest way to link these 2 files so they merge and appear
> as one?  Or is that the purpose of extern?  I simply want to divide up
> my code so I can have 'modules' written in each .c file to make it
> easier to maintain.
>
> Thanks for any help in advance.
>
> Steve Bertrand
>
>
>
>
>
> -------------------------------------------------------
> This SF.NET email is sponsored by:
> SourceForge Enterprise Edition + IBM + LinuxWorld = Something 2 See!
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I trying to use DEV C++ (and the built-in compiler of course) to access
MS  EXCEL files. The basic idea is to use an  EXCEL file as a data source
for my C++ code. 

Any one have any ideas or experience on this matter ? Is it an easy or
complex thing to do ?

Any help would be appreciated


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Hi there, this is my first post, so please forgive me if my message is 
out of context for this list.

I am building an application in c++ on freebsd, and can't get 2 .c files 
to merge properly.  When I compile, I get 'undefined CServer' when I 
compile. I tried defining the 'server' variable with extern, but I don't 
know if I was using extern in the proper context. For instance, here are 
snippets of the 2 files:

-----snip server.cc--------

#include "myheader.h"

class CServer {
    int var1;
    int var2;
    string var3;
    string var4;

    void addServer(int, string, string);
}

void CServer::addServer(int a, string b, string c) {

var3 = c;
var4 = b;
var3 = a;
}

--------end snip server.c-----------

------snip main.cc-----------

void main() {

CServer *server;                    // The problem is here.
server = new CServer;

server.addServer(feedvar, feedvar, feedvar);

/* Do some other stuff */

----------end snip main.cc---------

Another problem: In this same program, I would like main.cc to connect 
to a mysql database early in main(), then allow the server.cc file (more 
specifically, the member functions of CServer) to read/write to the db. 
 I know the mysql syntax is correct, as when I put all of the code in 
one file, everything works ok.  Is this another extern problem?  What 
part of the mysql code to I have to initialize with extern and where? 
 Example:

main.c------

// all of the mysql db stuff defined and included in 'myheader.h'
#include "myheader.h"

main() {

Connection db_connection;
db_connection.connect(//send db info here)

end snip main.c----------

Eventually, the server.c file opens up a table, then does it's thing, 
but when compiling, it seems as though the database connection doesn't 
even exist (from the point of view of server.c).

What is the easiest way to link these 2 files so they merge and appear 
as one?  Or is that the purpose of extern?  I simply want to divide up 
my code so I can have 'modules' written in each .c file to make it 
easier to maintain.

Thanks for any help in advance.

Steve Bertrand

if I want to write a text line in a file
I can do that in the way:

*********************
FILE *pf ;
......
fprintf(pf, "hello baby");
..............
**********************

but if I want to include the text file
'hello.txt' in the file pointed by 'pf',
how can I do that ?.

thanks in advance,
Ricardo.

John Hall wrote:
> ive tried compling opengl code in dev c++ and you just get loads of 
> syntax errors and linker errors. the code is garunteed to be correct. do 
> i need to set up gl library files in the compiler options?
> 

you should add to the linker settings in the project options dialog

-lglu32 -lopengl32 (and if you use glut:) -lglut32

if you use glut try to compile it as win32 console, else as a win32 GUI 
application

check the header #includes at the top of program because it is possible 
that there are missing the "gl/" pathes :

#include <gl/gl.h> correctly, not <gl.h> (this applies for glu.h and 
glut.h too)

Tamas Czinege

No problems, since sharing is the actual goal of mailing lists :-)

/Per W

On Tue, 7 Jan 2003, Marc Heiligers wrote:

> Hi Per,
>
> Once again you have helped me immensely. DebugView has been successfully
> integrated into my programming arsenal, and it is exactly what I needed.
> It's a pity that Dev-C++ does not have a DebugView like feature built in,
> but such is life. Perhaps in the future.
>
> _____________________________
> Marc Heiligers
>
>
> -----Original Message-----
> From: Per Westermark [mailto:pw...@ia...]
> Sent: 07 January 2003 03:23 PM
> To: Marc Heiligers
> Cc: dev-cpp-users-list
> Subject: Re: [Dev-C++] debugging macros
>
>
> Create your own TRACE #define that calls an own-made function using
> sprintf() to a buffer, and then emitting the buffer to the windows function
> OutputDebugString().
>
> That way, you may use any windows debugger or debug tracer program and view
> the debug output while running your program.
>
> If you go to www.sysinternals.com, you can download a nice program
> DebugView, that will connect to the windows debug stream.
>
> /Per W
>
> On Tue, 7 Jan 2003, Marc Heiligers wrote:
>
> > Hi All,
> >
> > I'm having a little trouble debugging. What I'd like, is something
> > like the
> > VC++ TRACE macros (and maybe TRACE0, TRACE1, ...) to write to stderr,
> > VC++ and
> > then to be able to view that during execution. Unfortunately, although
> > I've been programming for a long long time, I've never had a need for
> > these goodies before, so I don't even know where to start. Perhaps
> > someone could give me a bit of a pointer in the right direction, or a
> > web tutorial, or something.
> >
> > Thanks,
> >
> > _____________________________
> > Marc Heiligers
> >
> >
> > -------------------------------------------------------
> > This SF.NET email is sponsored by:
> > SourceForge Enterprise Edition + IBM + LinuxWorld = Something 2 See!
> > http://www.vasoftware.com
> > _______________________________________________
> > Dev-cpp-users mailing list Dev...@li...
> > TO UNSUBSCRIBE: http://www.noicys.cjb.net/devcpp/ub.htm
> > https://lists.sourceforge.net/lists/listinfo/dev-cpp-users
> >
>

Hi Per,

Once again you have helped me immensely. DebugView has been successfully
integrated into my programming arsenal, and it is exactly what I needed.
It's a pity that Dev-C++ does not have a DebugView like feature built in,
but such is life. Perhaps in the future. 

_____________________________
Marc Heiligers


-----Original Message-----
From: Per Westermark [mailto:pw...@ia...] 
Sent: 07 January 2003 03:23 PM
To: Marc Heiligers
Cc: dev-cpp-users-list
Subject: Re: [Dev-C++] debugging macros


Create your own TRACE #define that calls an own-made function using
sprintf() to a buffer, and then emitting the buffer to the windows function
OutputDebugString().

That way, you may use any windows debugger or debug tracer program and view
the debug output while running your program.

If you go to www.sysinternals.com, you can download a nice program
DebugView, that will connect to the windows debug stream.

/Per W

On Tue, 7 Jan 2003, Marc Heiligers wrote:

> Hi All,
>
> I'm having a little trouble debugging. What I'd like, is something 
> like the
> VC++ TRACE macros (and maybe TRACE0, TRACE1, ...) to write to stderr, 
> VC++ and
> then to be able to view that during execution. Unfortunately, although 
> I've been programming for a long long time, I've never had a need for 
> these goodies before, so I don't even know where to start. Perhaps 
> someone could give me a bit of a pointer in the right direction, or a 
> web tutorial, or something.
>
> Thanks,
>
> _____________________________
> Marc Heiligers
>
>
> -------------------------------------------------------
> This SF.NET email is sponsored by:
> SourceForge Enterprise Edition + IBM + LinuxWorld = Something 2 See! 
> http://www.vasoftware.com 
> _______________________________________________
> Dev-cpp-users mailing list Dev...@li...
> TO UNSUBSCRIBE: http://www.noicys.cjb.net/devcpp/ub.htm
> https://lists.sourceforge.net/lists/listinfo/dev-cpp-users
>

Create your own TRACE #define that calls an own-made function using
sprintf() to a buffer, and then emitting the buffer to the windows
function OutputDebugString().

That way, you may use any windows debugger or debug tracer program and
view the debug output while running your program.

If you go to www.sysinternals.com, you can download a nice program
DebugView, that will connect to the windows debug stream.

/Per W

On Tue, 7 Jan 2003, Marc Heiligers wrote:

> Hi All,
>
> I'm having a little trouble debugging. What I'd like, is something like the
> VC++ TRACE macros (and maybe TRACE0, TRACE1, ...) to write to stderr, and
> then to be able to view that during execution. Unfortunately, although I've
> been programming for a long long time, I've never had a need for these
> goodies before, so I don't even know where to start. Perhaps someone could
> give me a bit of a pointer in the right direction, or a web tutorial, or
> something.
>
> Thanks,
>
> _____________________________
> Marc Heiligers
>
>
> -------------------------------------------------------
> This SF.NET email is sponsored by:
> SourceForge Enterprise Edition + IBM + LinuxWorld = Something 2 See!
> http://www.vasoftware.com
> _______________________________________________
> Dev-cpp-users mailing list
> Dev...@li...
> TO UNSUBSCRIBE: http://www.noicys.cjb.net/devcpp/ub.htm
> https://lists.sourceforge.net/lists/listinfo/dev-cpp-users
>

Hi All,

I'm having a little trouble debugging. What I'd like, is something like the
VC++ TRACE macros (and maybe TRACE0, TRACE1, ...) to write to stderr, and
then to be able to view that during execution. Unfortunately, although I've
been programming for a long long time, I've never had a need for these
goodies before, so I don't even know where to start. Perhaps someone could
give me a bit of a pointer in the right direction, or a web tutorial, or
something.

Thanks,

_____________________________
Marc Heiligers

i can't find witch are the default compiler directories settings (bin,library=
 etc). Could you help me??
After re-installing the settings remain the same!I don't know where these set=
tings are saved(I'm using Win2000).
So far Dev is realy good.Nice work!

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nder!

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<DIV>
<DIV></DIV>
<DIV></DIV>ive tried compling opengl code in dev c++ and you just get loads of syntax errors and linker errors. the code is garunteed to be correct. do i need to set up gl library files in the compiler options?<BR><BR>email bk plz. 
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