C / C++ / MFC Discussion Boards

Iain Clarke, Warrior Programmer29-Sep-03 3:47

29-Sep-03 3:47

int nInt = 54321;
int *pInt = &nInt;
char buf [11]; // 8(number) + 2(0x) + 1(trailing null)
sprintf (buf, "0x%08x", (unsigned int)(pInt));
cout << buf;

I must be in a good mood. Normally I'm not this helpful!

Iain.

Re: How to convert a pointer to char*?

David Crow29-Sep-03 5:21

David Crow

29-Sep-03 5:21

DaFrawg wrote:
I want to output the memory location of nInt.

This printed out the address for me:

int     nNumber,
        *pAddr;
 
pAddr = &nNumber;
cout << pAddr << endl;

If you want that address in a char* variable, use:

char addr[32];
sprintf(addr, "%#x", pAddr);
cout << addr << endl;

Five birds are sitting on a fence.
Three of them decide to fly off.
How many are left?

Re: How to convert a pointer to char*?

JT Anderson29-Sep-03 13:33

JT Anderson

29-Sep-03 13:33

How about this:

#include <iostream>

void main()
{
int iVar;
void *pVar = &iVar;

std::cout << pVar << std::endl;
}

--------
There are 10 types of people in this world. Those who know binary and those who don't.

Auto-hide Groupbox - is there ?

vgrigor29-Sep-03 2:04

vgrigor

29-Sep-03 2:04

I found that some controls in CDialog are always not need,
so it is better to hide them,
They are in a some GroupBox.
and let for user to do it..

I did nor found such a article.

http://www.codeproject.com/miscctrl...target=groupbox
- no hiding

Is there such a control?

May be stack CDialog is useful for it?
- hiding groupbox?
(Big reconstruction is need?)

thanks you.

Re: Auto-hide Groupbox - is there ?

Iain Clarke, Warrior Programmer29-Sep-03 4:02

Iain Clarke, Warrior Programmer

29-Sep-03 4:02

Try here[^]

And change it to alter the inner windows, rather than disable them.
Also look in the www.codeproject.com/dialog(s?) section as well as www.codeproject.com/miscctrl.

Or you could even write the code!!!!! [*]

Iain.

[*] if you do, think about turning it into an article.

Re: Auto-hide Groupbox - is there ?

vgrigor29-Sep-03 4:04

vgrigor

29-Sep-03 4:04

I Need hide content ability.

MFC Dialog

hph29-Sep-03 1:19

hph

29-Sep-03 1:19

Hi,

does somebody know a function which retrieves the HWND handle of the titlebar ?

Thanks in advance!

Re: MFC Dialog

Member 21830429-Sep-03 1:46

Member 218304

29-Sep-03 1:46

GetWindowText I suppose

Re: MFC Dialog

Roger Allen29-Sep-03 2:27

Roger Allen

29-Sep-03 2:27

There isn't a direct command to do this. The title bar is part of the non-client area of a regular window which has a caption. If you need a custom caption or something similar, do a quick search for the author "lorde" on CP, David Lorde (do his second name only), as he has published a really good article on custom captions.

Sorry, don;t have time to look the link up myself.

Roger Allen
Sonork 100.10016

Were you different as a kid? Did you ever say "Ooohhh, shiny red" even once? - Paul Watson 11-February-2003

Open MSWord doc at specific bookmark (ShellExecute?)

Steve Kearon29-Sep-03 0:13

Steve Kearon

29-Sep-03 0:13

I'm happily using ShellExecute to open DOC files and URLs.

I can append "#bookmark" to a URL for IE to open at the specific section of a page, but if I try the same with DOC files then it doesn't work - I don't even get the DOC file open.

Am I expecting too much of ShellExecute?
Is there some other technique for opening such files?

Many thanks

ocx 2 ???

The_Server29-Sep-03 0:12

The_Server

29-Sep-03 0:12

Hi again....

People...
Is there a way to convert my vcpp project
from "win32 app" to "ocx or somthing"...
so I can use it as a control... in other projects ???

=-=-=-=-=
The Server Rose | [Rose]

Bogus reload macro message

Anonymous29-Sep-03 0:05

Anonymous

29-Sep-03 0:05

Every now and again when I try to run a macro in VS6 I get the following message:
"One or more macro files have been updated. Would you like to reload all macros now?"
Even though I haven't touched any macro file.
Anyone know what can be causing this?
It seemed to only start occurring when I started using Windows XP.
Thanks,
Ed

Access struct in DLL

adamf8128-Sep-03 23:52

adamf81

28-Sep-03 23:52

Hi,

I'm having problems accessing a struct in a dll file using C++.

I have successfully loaded the DLL, and loaded and called some of the functions using LoadLibrary and GetProcAddress. However, there is an insert function that I am having difficulties with that requires a struct to be passed into it. This struct is defined within a file in DLL and must be populated before passed to the insert function.

I've looked for a similar function to GetProcAddress to use. I've also tried including the file within the DLL that defines the struct.

This one's got me completely banjaxed.

I'd appreciate any help at all.

Thanks,

Adam

Re: Access struct in DLL

Joaquín M López Muñoz29-Sep-03 0:03

Joaquín M López Muñoz

29-Sep-03 0:03

You don't need to import anything in order to use a struct. Just #include in your main app the header where the struct is defined and use it like always. Is this what you were asking?

Joaquín M López Muñoz
Telefónica, Investigación y Desarrollo

Re: Access struct in DLL

adamf8129-Sep-03 0:16

adamf81

29-Sep-03 0:16

Ahhh, of course. Thank you very much. Now I'm receiving a new error.

Cannot open include file: 'winsds.h': No such file or directory

This must be specific to the dll I'm loading.

Thanks for your help. I was looking for a tough solution.

Adam

Re: Access struct in DLL

Joaquín M López Muñoz29-Sep-03 0:22

Joaquín M López Muñoz

29-Sep-03 0:22

Cannot open include file: 'winsds.h': No such file or directory

Check the additional include directories in your project settings.

Joaquín M López Muñoz
Telefónica, Investigación y Desarrollo

Virtual List Controls

Jeremy Pullicino28-Sep-03 23:48

Jeremy Pullicino

28-Sep-03 23:48

Hi,

I have a questionr regarding the useage of a virtual list control.

I keep all my data in my own array.

From time to time, the data in my array changes.

How could I make these changes reflected on the vlist control?

Jeremy.

Jeremy Pullicino
C++ Developer

Homepage

Re: Virtual List Controls

KarstenK29-Sep-03 0:32

KarstenK

29-Sep-03 0:32

partially custom drawing the control. At CP there a some samples.

Try this @ home. (B&B)

MFC

Member 21732628-Sep-03 23:31

Member 217326

28-Sep-03 23:31

Hello, i've just started C++ and currently looking into MFC. Smile | :)

Is there a way that i could convert my existing console app to a MFC app?....because i wanted a GUI as well as a console window.....i tried adding the stdafx.cpp and the header file , the preprocessor def: _WINDOWS,_AFXDLL to my existing project. when compiled....i get......"c:\program files\microsoft visual studio\vc98\mfc\include\afxver_.h(130) : fatal error C1189: #error : Please use the /MD switch for _AFXDLL builds". Frown | :(

Please Help!!! thanx

Re: MFC

Michael Dunn29-Sep-03 0:55

Michael Dunn

29-Sep-03 0:55

The easiest way is to make a new dummy console project with the AppWizard, then copy the MFC includes and startup code (eg AfxWinInit()) to your app.

--Mike--
Ericahist | Homepage | RightClick-Encrypt | 1ClickPicGrabber
CP SearchBar v2.0.2 released

Re: MFC

Member 21732629-Sep-03 15:49

Member 217326

29-Sep-03 15:49

ok, thanks alot

who can tell me how to save the DC...

Grrrr28-Sep-03 22:58

Grrrr

28-Sep-03 22:58

i mean that i draw something on a DC(CDC).
then i need to save this to a .bmp file.
that is to say, how to find the BITMAPINFO structure?

Re: who can tell me how to save the DC...

KarstenK29-Sep-03 0:30

KarstenK

29-Sep-03 0:30

You must compute the bitmapinfo structure in your program. This is a "To Do". Read the MSDN and don´t ferget the 'DWORD' Alignment!!!

Try this @ home. (B&B)

Re: who can tell me how to save the DC...

Grrrr29-Sep-03 2:06

Grrrr

29-Sep-03 2:06

Thanks.
Can you tell me where I can find the details about this in MSDN?
And how can i compute the bitmapinfo structure about a DC?

Best Regards...

Re: who can tell me how to save the DC...

KarstenK29-Sep-03 2:32

KarstenK

29-Sep-03 2:32

If you use the visual studio press F1 else try the online docs from MSFT.
If you 'maybe' find the bitmapinfo you will read that this info contain the measures about the bitmap. A nice function is also "GetDIBits".

Try this @ home. (B&B)

Use Ctrl+Left/Right to switch messages, Ctrl+Up/Down to switch threads, Ctrl+Shift+Left/Right to switch pages.