C / C++ / MFC Discussion Boards

Re: inlining problem

hint_5414-Feb-06 6:46

hint_54

14-Feb-06 6:46

James R. Twine wrote:
Only if you are sure that the code sample you posted is also generating the error...

Yes, it is.

James R. Twine wrote:
Is the class' CPP file included in the project?

Yes, it is.

James R. Twine wrote:
Do things work correctly if you put the implementation of the function into the .H file?

Actually, they do. Even with the "inline" keyword. But if I don't use "inline" it works well in different files.

regards

hint_54

Re: inlining problem

James R. Twine14-Feb-06 7:02

James R. Twine

14-Feb-06 7:02

OK - something about inline functions needing to have their implementation be in the .H file comes to mind (after the class dec.), but I cannot find anything about it in the MSDN collection. I remember that this was a bug in VC++ 6.0 or something like that?

Peace!

-=- James

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Re: inlining problem

hint_5414-Feb-06 7:04

hint_54

14-Feb-06 7:04

James R. Twine wrote:
I remember that this was a bug in VC++ 6.0 or something like that?

Well, Could be... I'm using VC++ 6 Big Grin | :-D

regards

hint_54

Re: inlining problem

David Crow14-Feb-06 6:58

David Crow

14-Feb-06 6:58

Inline functions are not visible outside of the source file where they are defined. This is why you seem then declared in the same file, usually at the bottom, in which they are defined.

"The greatest good you can do for another is not just to share your riches but to reveal to him his own." - Benjamin Disraeli

Re: inlining problem

hint_5414-Feb-06 6:58

hint_54

14-Feb-06 6:58

Like templates, right? I see.

Thx

hint_54

Good Book for "advanced beginners" C++

ldsdbomber14-Feb-06 5:57

ldsdbomber

14-Feb-06 5:57

I'm looking for a good book to re-learn programming (in C++). I have Stroustrup but I have the feeling this will be more useful to me once I'm comfortable again. I've been away from programming for at least 4 years and only really learned "on the job" (tools programming windows dialog based apps), but would like to build a more solid foundation this time. I also have Eckels book but again this doesn't seem to be the kind of thing I'm after (though it's excellent on its own merits). I just wondered if there was a good "one book" answer to getting me started with the basics, including setting up compiling and linking properly (and understanding it!), and then building knowledge of the language and libraries etc in a structured, easy to follow way.
thanks in advance.

Re: Good Book for "advanced beginners" C++

David Crow14-Feb-06 6:48

David Crow

14-Feb-06 6:48

ldsdbomber wrote:

I'm looking for a good book to re-learn programming (in C++).

Since you asked a C++ question in a VC++ forum, which is it that you are ultimately after?

"The greatest good you can do for another is not just to share your riches but to reveal to him his own." - Benjamin Disraeli

Re: Good Book for "advanced beginners" C++

Ed K14-Feb-06 7:05

Ed K

14-Feb-06 7:05

You are in rare form today!

DavidCrow wrote:
Since you asked a C++ question in a VC++ forum, which is it that you are ultimately after?

Other than the C++/CLI forum wouldn't this be the place?

ed

~"Watch your thoughts; they become your words. Watch your words they become your actions.
Watch your actions; they become your habits. Watch your habits; they become your character.
Watch your character; it becomes your destiny."
-Frank Outlaw.

Re: Good Book for "advanced beginners" C++

David Crow14-Feb-06 7:10

David Crow

14-Feb-06 7:10

By no means was I trying to be argumentative. I just didn't want to suggest Kruglinksi's "Inside Visual C++" book to him and then get a "But that's for Visual C++. I want to learn C++ first." response. Seeing as how he already has Stroustrup's book, I wasn't too sure of which route he wanted to take.

"The greatest good you can do for another is not just to share your riches but to reveal to him his own." - Benjamin Disraeli

Re: Good Book for "advanced beginners" C++

ldsdbomber15-Feb-06 6:16

ldsdbomber

15-Feb-06 6:16

Sorry, I just spotted the VC++ forum and posted here, perhaps the other forum was the better one.

Anyway, as I mentioned originally, I want a Stroustrup style book but one that's more of a handheld walkthrough of C++ in a structured way. I had one or two but I can't remember the name of them - maybe Konig, or Shildt? That kind of thing, but I was also hoping that someone would have a good recommendation that will teach me thoroughly but also be fairly accessible.

Re: Good Book for "advanced beginners" C++

David Crow15-Feb-06 8:41

David Crow

15-Feb-06 8:41

Books are one of those things that are highly opinionated. You can ask a dozen people what their favorite is and you'll get 12 different answers. Everyone dis/likes a book for a different reason. I started programming in C and C++ with the help of Schildt and Petzold. Some folks shy away from those authors for various reasons. If you have a book in mind, check out amazon.com for customer reviews.

"The greatest good you can do for another is not just to share your riches but to reveal to him his own." - Benjamin Disraeli

LNK 4089 error with SHELL32.dll /OPT:REF

ldsdbomber14-Feb-06 5:48

ldsdbomber

14-Feb-06 5:48

LINK : warning LNK4089: all references to "SHELL32.dll" discarded by /OPT:REF

I keep getting this but don't know where to fix it. A search on google seemed to suggest I just need to take this out of project settings but i can't find it at all, I assume on the Link tab?

Any ideas?

Re: LNK 4089 error with SHELL32.dll /OPT:REF

James R. Twine14-Feb-06 6:16

James R. Twine

14-Feb-06 6:16

   This is not a problem. This is telling you that even though you are linking with the import library for SHELL32, you are not actually using any thing from the SHELL32 DLL (either by not explicitly calling something from the DLL, or code that did optimized out).

   The result of this is that even though you linked with that DLL's import library, the executable will not require implicit (load-time) loading of that DLL.

   Remove SHELL32.lib from your libraries, that should resolve the warning.

   Peace!

-=- James

Re: LNK 4089 error with SHELL32.dll /OPT:REF

PJ Arends14-Feb-06 17:12

PJ Arends

14-Feb-06 17:12

James R. Twine wrote:
Remove SHELL32.lib from your libraries, that should resolve the warning.

If he is using MFC, then shell32.lib is linked in dynamicly via a #pragma comment(lib, "shell32.lib") statement in afx.h. It can not be removed from from the library list without modifying the MFC sources.

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Re: LNK 4089 error with SHELL32.dll /OPT:REF

ldsdbomber15-Feb-06 6:13

ldsdbomber

15-Feb-06 6:13

I am using MFC for a dialog app. Can't find the pragma comment, or indeed afx.h, I have StdAfx.h included in my project though

Re: LNK 4089 error with SHELL32.dll /OPT:REF

James R. Twine15-Feb-06 6:54

James R. Twine

15-Feb-06 6:54

As I said, it is not a "real" problem. In this case, you may have to deal with the warning...

Peace!

-=- James

Re: LNK 4089 error with SHELL32.dll /OPT:REF

ldsdbomber15-Feb-06 6:59

ldsdbomber

15-Feb-06 6:59

thanks! no problem, I just wanted to make sure I wasn't brushing something under the carpet that would lead to problems later

CString::FormatMessage STL equivalent ?

Maximilien14-Feb-06 4:54

Maximilien

14-Feb-06 4:54

Good morning .. .

I know I can use CString::FormatMessage to format strings when localizating my application ( see this[^] )

Is there an equivalent in STL or for standard C++ or is that too OS/Toolkit oriented to have a unified solution ?

Maximilien Lincourt
Your Head A Splode - Strong Bad

Re: CString::FormatMessage STL equivalent ?

Nitron14-Feb-06 5:10

Nitron

14-Feb-06 5:10

all i know of is sprintf.

~Nitron.

ññòòïðïðB A start

Re: CString::FormatMessage STL equivalent ?

James R. Twine14-Feb-06 6:14

James R. Twine

14-Feb-06 6:14

   CString/CStringT::FormatMessage(...) wraps the standard FormatMessage(...) function.

   This function uses a writable character buffer to format the string into. I do not know of a "proper" way to get writable access to the internal buffer in a basic_string object (data() returns a const pointer to the data).

   I would suggest that you allocate a temporary buffer, format into it, and then assign the contents of that buffer to the STL string:

     TCHAR   caBuffer[ 1024 + 1 ];<br />
 <br />
     ::FormatMessage( ... caBuffer ... );<br />
     caBuffer[ 1024 ] = _T( '\0' );<br />
     ssYourSTLString = caBuffer;

Peace!

-=- James

Re: CString::FormatMessage STL equivalent ?

Maximilien14-Feb-06 6:55

Maximilien

14-Feb-06 6:55

no,no ( but thanks for the info ... ) Smile | :)

I was wondering if there was a standard STL/C++ way to deal with such an issue ? if the STL group or C++ standard had such concerns or if it's too closelly tied to the OS/Toolkits.

M.

Maximilien Lincourt
Your Head A Splode - Strong Bad

Re: CString::FormatMessage STL equivalent ?

James R. Twine14-Feb-06 7:06

James R. Twine

14-Feb-06 7:06

Maximilien wrote:
no,no

"no, no" about what? Unsure | :~

Anyway, yes; the FormatMessage(...) is not a "standard" function, like how one may consider printf(...), a standard function - it is a Windows platform function, so not something one would expect to be handled by standard C++ or STL.

Peace!

-=- James

Re: CString::FormatMessage STL equivalent ?

Maximilien14-Feb-06 10:26

Maximilien

14-Feb-06 10:26

I was writing to myself ... I did not clearly explain what I seeking...

sorry ... Sigh | :sigh:

Maximilien Lincourt
Your Head A Splode - Strong Bad

Re: CString::FormatMessage STL equivalent ?

PJ Arends14-Feb-06 9:22

PJ Arends

14-Feb-06 9:22

I am busy writing up an article for CP that just what you are asking for. I expect to have it ready for posting in a couple of days. If you send me your email address I can send you the demo code that I have ready so far. Then you can test it for me;P

Re: CString::FormatMessage STL equivalent ?

Anthony_Yio14-Feb-06 15:47

Anthony_Yio

14-Feb-06 15:47

In case you can't wait for the reply from PJ Arends.

Try this

http://www.codeproject.com/vcpp/stl/ostringstream.asp

(by Christian Graus)

Sonork 100.41263:Anthony_Yio

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