C / C++ / MFC

DavidCrow does't know this any one knows this?

22-Aug-04 21:59

Creating library ReleaseMinSize/ezrename.lib and object ReleaseMinSize/ezrename.exp

LIBCMT.lib(wwincrt0.obj) : error LNK2001: unresolved external symbol _wWinMain@16

I get this error message when I build in anything other than debug...it's an ATL COM object. Blush | :O

I figure it's a general C++ type question so I posted in here...

How to I fix this 'particular' linker error?

My local MSDN docs say check out MSKB article: Q125750

But it appears this is for dot net...not vc6 cuz I tried it and didn't get it to work...?

WTF...

TIA Smile | :)

How do I print my voice mail?

Re: Linker problems

De Nardis Andrea23-Aug-04 0:03

De Nardis Andrea

23-Aug-04 0:03

PRB: Error LNK2001: '_WinMain@16': Unresolved External Symbol
Si applica a
This article was previously published under Q125750
NOTE: Microsoft Visual C++ NET (2002) supported both the managed code model that is provided by the .NET Framework and the unmanaged native Windows code model. The information in this article applies to unmanaged Visual C++ code only.
SYMPTOMS
The linker generates the following error, when you build an MFC application with UNICODE support using the Microsoft products listed at the beginning of this article:

msvcrt.lib(crtexew.obj) : error LNK2001: unresolved external
symbol "_WinMain@16"
Visual C++ .NET:

error LNK2019: unresolved external symbol _WinMain@16 referenced in function _WinMainCRTStartup
fatal error LNK1120: 1 unresolved externals
CAUSE
MFC UNICODE applications use wWinMainCRTStartup as the entry point.
RESOLUTION
In the Output category of the Link tab in the Project Settings dialog box, set the Entry Point Symbol to wWinMainCRTStartup.

For Visual C++ .NET: In the Advanced category of the Linker folder in the Project Properties dialog box, set the Entry Point to wWinMainCRTStartup.
STATUS
This behavior is by design.
REFERENCES
The above information is documented in Books Online under this structure: - C/C++
- Programming Techniques
- Chapter 12 Developing for International Markets
- Support for Unicode
- Unicode Programming: Summary

This reference also lists the additional steps that you need to consider to take advantage of the MFC and C run-time support for Unicode. Smile | :)

kriaz22-Aug-04 21:40

kriaz

22-Aug-04 21:40

I want to remove Close button "X" from the right corner of Dialog, but still want to keep the system menu at the left corner. Unchecking the system menu option from dialog properties also removes the menu at left.

Plz Help. Confused | :confused:

kriaz.

alex.barylski22-Aug-04 21:55

22-Aug-04 21:55

If you can't figure out that it's an non-trivial task to "remove" the close button entirely, your probably best just giving up.

Check CS_NOCLOSE in the WNDCLASS structure...I think that's as close as you'll get without some serious hacking (probably have to draw your own caption bar, non-client area, etc...lots of work!!!

p.s-I personally can't say I appreciate you announcing the fact he wasn't able to give you the answer you wanted. If you did that to me...i'd be choked!!!

How do I print my voice mail?

Maximilien23-Aug-04 0:56

Maximilien

23-Aug-04 0:56

well, you posted your message on friday ... kind of a bad timing ...

and I don't know either.

Maximilien Lincourt
Your Head A Splode - Strong Bad

Antony M Kancidrowski23-Aug-04 3:05

Antony M Kancidrowski

23-Aug-04 3:05

Bad form. David is a very knowledgable man. He has helped many people on this forum. And yes I include myself in the list.

Ant.

I'm hard, yet soft.
I'm coloured, yet clear.
I'm fruity and sweet.
I'm jelly, what am I? Muse on it further, I shall return! - David Williams (Little Britain)

CFile gives me 0x20 (ERROR_BAD_UNIT) but fopen doesn't

Jeremy Falcon23-Aug-04 6:51

Jeremy Falcon

23-Aug-04 6:51

Well, since you're gonna act like that... I'll tell ya, but for a fee.

Now, if you want free advice, I suggest you quit whining like a spoiled brat. You'll improve your chances of getting it.

Jeremy Falcon

baboguru22-Aug-04 21:10

baboguru

22-Aug-04 21:10

thanks in advance,
i am reading a file on a CD-ROM drive,
i first used CFile mfc library to read a file,
but it fails with Error Code (0x20) which is ERROR_BAD_UNIT

<br />
CFile aFile;<br />
// E : CD-ROM drive<br />
aFile.Open("E:\\file.txt", CFile::modeRead | CFile::typeBinary)<br />
// Open(..) returns FALSE, GetLastError() gives 0x20 ERROR!!<br />

and
i also tested with FILE and fopen(...), C library, it's ok

<br />
FILE *fp;<br />
fp = fopen("E:\\file.txt", "rb");<br />
// fp not null, which is ok<br />

what may be the problem ?
thanks again

Re: CFile gives me 0x20 (ERROR_BAD_UNIT) but fopen doesn't

vcplusplus23-Aug-04 3:14

vcplusplus

23-Aug-04 3:14

Actually (0x20) is a hex number; you need to convert it to decimal.

32 ERROR_SHARING_VIOLATION - The process cannot access the file because it is being used by another process.

Re: CFile gives me 0x20 (ERROR_BAD_UNIT) but fopen doesn't

baboguru23-Aug-04 16:05

baboguru

23-Aug-04 16:05

thanks first...

i changed my code to use CFileException as you mention
and found that m_cause gives me 11 which is
CFileException::sharingViolation: SHARE.EXE was not loaded, or a shared region was locked (msdn says...)

i think it's supposed to be working correctly though,
because when i read a file on a hdd, my app works fine
but when i changed target dir to CD-Rom, it fails with above reasons Confused | :confused:

may i miss something?

thanks

Re: CFile gives me 0x20 (ERROR_BAD_UNIT) but fopen doesn't

Blake Miller24-Aug-04 8:36

Blake Miller

24-Aug-04 8:36

You can try to add CFile::shareDenyNone and see if that gets past the sharing issue.

Is there any way to format and print an UNICODE string in which there are some zero byte?

samfromcn22-Aug-04 19:47

samfromcn

22-Aug-04 19:47

i write follow code:

WCHAR cnt[100] = L"abc";
WCHAR* p = cnt;
wcscpy(p + 50, L"def");

i want print out "abc............def.....",but only get "abc"; "def" was lost.

someone may help me to resolve this problem?

Re: Is there any way to format and print an UNICODE string in which there are some zero byte?

Milton Karimbekallil22-Aug-04 21:23

Milton Karimbekallil

22-Aug-04 21:23

hi
BSTR is capable of storing zero byte..
BSTR bs = ::SysAllocString(L"abc\0def" ); is valid.
i donno whether it will b a turning point for ur requirment.... try ..

for printing and all, i dont think it is possible... unless u write ur own custom printf or wsprintf.

rgds...mil10.

Re: Is there any way to format and print an UNICODE string in which there are some zero byte?

GDavy22-Aug-04 21:41

GDavy

22-Aug-04 21:41

what about:

swprintf(outputbuf, L"%s%s", cnt, p+50);

passing filename into

Abhi Lahare22-Aug-04 19:02

Abhi Lahare

22-Aug-04 19:02

hi all,

I have an ATL activeX DLL, I created my own file extension ( say .xyz) and made regisrty entries for opening test.xyz for the activeX control in the IE.
I objective is to render the contents of test.xyz into the broswer.
I am facing following problem.

How to pass the filename( test.xyz) when you double click on the file into the activeX control to render the file in IE.

I searched on CP but did'nt find anything related to it. may be i was on the wrong way. Can someone help me ?

Thanks in advance,
Abhi

Re: passing filename into

Abhi Lahare23-Aug-04 0:21

Abhi Lahare

23-Aug-04 0:21

hi all,

Found answer myself. may this be useful for someone.

1. Implement IPersistPropertyBagImpl interface for your class.
2. Override Load Method
Something like this:

<br />
STDMETHOD(Load)(IPropertyBag* pBag,IErrorLog *pErrorLog)<br />
{<br />
   if(pBag == NULL)<br />
	return E_POINTER;<br />
   ATLASSERT(pBag);<br />
   HRESULT hr = S_OK;<br />
   CComVariant  UrlString;<br />
   hr = pBag->Read(L"src",&UrlString,pErrorLog);<br />
   return S_OK;<br />
}<br />

In UrlString you will have the filename of the file on which you have clicked.

Thanks
Abhishake

MoveFile crashing

alex.barylski22-Aug-04 18:58

22-Aug-04 18:58

MoveFile(it0->c_str(), tempFile);
MoveFile(it1->c_str(), it0->c_str());
MoveFile(tempFile, it1->c_str()) == 0);

on the second call to MoveFile everything crashes?

What am I doing wrong???

How does one execute a simple filename swap???

I'm using VC++ 6, Windows XP home

TIA!

How do I print my voice mail?

palbano22-Aug-04 19:10

palbano

22-Aug-04 19:10

What do you mean "crash"?
What is the return value from the first call?
What is:

Hockey wrote:

MoveFile(tempFile, it1->c_str()) == 0);

"No matter where you go, there your are." - Buckaroo Banzai

-pete

alex.barylski22-Aug-04 19:40

22-Aug-04 19:40

Thats a typo...ignore then == 0

When I say crash...I mean crash...like total application devistation...no error codes...more like an exception

How do I print my voice mail?

palbano23-Aug-04 21:00

palbano

23-Aug-04 21:00

solved this yet?

"No matter where you go, there your are." - Buckaroo Banzai

-pete