C / C++ / MFC Discussion Boards

Benjamin Bruno28-Apr-09 20:33

28-Apr-09 20:33

How get unicode string( say Arabic ) from a RichEdit control and to draw that string in a DC using DrawText? Also I want to know how to store unicode string for later use?

Re: Getting unicode string

Stuart Dootson29-Apr-09 0:13

Stuart Dootson

29-Apr-09 0:13

Getting Unicode out of a rich-edit control:

Use EM_STREAMOUT[^] with the flags set to SF_TEXT|SF_UNICODE
Use SendMessageW (i.e. the Unicode variant of SendMessage) to send WM_GETTEXT to the control (IF there is less than 64K characters in the rich-edit control)

BenjaminBruno wrote:
draw that string in a DC using DrawText

Just make sure you use the Unicode variant of DrawText and that the font you're drawing the text with has glyphs for the characters you want to display.

BenjaminBruno wrote:
I want to know how to store unicode string for later use

How much later? If it's just within the same run of the program, then a variable of type CStringW[^] would do the job nicely. To save Unicode to a file on-disk, the routines in this article[^] look useful?

Re: Getting unicode string

Benjamin Bruno29-Apr-09 18:56

Benjamin Bruno

29-Apr-09 18:56

Thanks

Not support function

Ravenet28-Apr-09 20:33

Ravenet

28-Apr-09 20:33

Hi
guys i have issue ,when access this function in Windows CE with C++

wce_AsciiToWide(szwBuf, (const char*)sz);

i'm using VS 2005 IDE

if i'm missing anything ?

thank you

Cheers,Earn and Enjoy
RRave
MCTS,MCPD
http://ravesoft.blogspot.com

Re: Not support function

Naveen28-Apr-09 21:43

Naveen

28-Apr-09 21:43

The first google search result says...

http://www.tech-archive.net/Archive/PocketPC/microsoft.public.pocketpc.developer/2005-11/msg00534.html[^]

nave

[OpenedFileFinder] [My Blog]

SDI MultipleViews

Madhu00928-Apr-09 20:30

Madhu009

28-Apr-09 20:30

Dear All,

I am working on VC++ and developing a tool for Weather monitoring system.
Here I am facing problem in displaying different views for same dateset from the document class, where all the calculations are take place.

Here I am using SDI Multiple views architecture.All (Two) views are controlled by the menu and they are switching fine.

At this moment only one view is connected to the document and displaying the date.Second view is not updating the data implicitly.

Please suggest me an idea to update the data to both views concurrently.

Thanks in Adavance
Madhu

Re: SDI MultipleViews

KarstenK28-Apr-09 21:55

KarstenK

28-Apr-09 21:55

use Invalidate() or an user defined PostMessage to inform the view to redraw.

Press F1 for help or google it.
Greetings from Germany

Re: SDI MultipleViews

Madhu00926-May-09 1:51

Madhu009

26-May-09 1:51

Hi KarstenK,

Thanks for your prompt reply and valuable suggestion.

I did try with Invalidate().

I have wrote code as follows

/ / This is View1 connected to the document with

void CStringView::OnDraw(CDC* pDC)
{
CPoemDoc* pDoc = GetDocument();
pDoc->UpdateAllViews(NULL);
}

//This is View2 to be updated

void CHexView::OnUpdate(CView* pSender, LPARAM lHint, CObject* pHint)
{
// TODO: Add your specialized code here and/or call the base class
Invalidate();
}

But it is not triggering OnDraw() of CHexView().

I do not have any idea about user defined PostMessage to redraw.

Please give me some idea to move on...

Thanks
Madhu K

Re: SDI MultipleViews

KarstenK26-May-09 1:56

KarstenK

26-May-09 1:56

are you shure that CHexView::OnUpdate() got called.

use RegisterMessage() to get a valid message id and use PostMessage() to send it to your CHexView-Window.
Write a message handler

Read the msdn or google for the bold stuff

Press F1 for help or google it.
Greetings from Germany

error LNK2019: unresolved external symbol

Purish Dwivedi28-Apr-09 19:38

Purish Dwivedi

28-Apr-09 19:38

I am getting an error like
ExceptionAttacher.obj : error LNK2019: unresolved external symbol "int __cdecl RecordExceptionInfo(struct _EXCEPTION_POINTERS *,char const *)" (?RecordExceptionInfo@@YAHPAU_EXCEPTION_POINTERS@@PBD@Z) referenced in function "int __stdcall AfxWinMain(struct HINSTANCE__ *,struct HINSTANCE__ *,wchar_t *,int)" (?AfxWinMain@@YGHPAUHINSTANCE__@@0PA_WH@Z)

What should I do to remove this linker error? Plz help me.
Thanks

Re: error LNK2019: unresolved external symbol

_AnsHUMAN_ 28-Apr-09 19:46

_AnsHUMAN_

28-Apr-09 19:46

where is this function defined? A linker error usually means that the compiler is unable to find the definition of the function. You may need to specify the library for it under the linker settings.

You need to google first, if you have "It's urgent please" mentioned in your question.
Wink | ;-)

_AnShUmAn_

Re: error LNK2019: unresolved external symbol

Purish Dwivedi28-Apr-09 20:08

Purish Dwivedi

28-Apr-09 20:08

this function is defined in a file named ExceptionHandler.cpp .
I am not getting that what to do to remove this linker error?
Plz provide any solution if possible. Thank You.

Re: error LNK2019: unresolved external symbol

_AnsHUMAN_ 28-Apr-09 20:13

_AnsHUMAN_

28-Apr-09 20:13

are you sure this function is defined and declared and you have included the header file for this class.

You need to google first, if you have "It's urgent please" mentioned in your question.
Wink | ;-)

_AnShUmAn_

Re: error LNK2019: unresolved external symbol

Purish Dwivedi28-Apr-09 20:21

Purish Dwivedi

28-Apr-09 20:21

yes, I have included.

Re: error LNK2019: unresolved external symbol

Cedric Moonen28-Apr-09 20:31

Cedric Moonen

28-Apr-09 20:31

Did you add this ExceptionHandler.cpp file to your project ?

Cédric Moonen
Software developer

Charting control [v2.0]
OpenGL game tutorial in C++

Re: error LNK2019: unresolved external symbol

Purish Dwivedi28-Apr-09 20:36

Purish Dwivedi

28-Apr-09 20:36

Obviously,It is added in my project. Now, I am not getting that how to remove this error?
plz help me.
Thanks.

Re: error LNK2019: unresolved external symbol

Cedric Moonen28-Apr-09 20:59

Cedric Moonen

28-Apr-09 20:59

Purish Dwivedi wrote:
Obviously,It is added in my project.

Why obviously ? Seing your error and the fact that you are sure that you have a body for your function, then I would say that it is obvious that the file is not added to your project.
I am talking here about the cpp file, not the h file. How did you add this file to your project ?

Can you also post the function prototye (which is in the header file) and the function body (which is in the cpp file) ? Please use the code tag to format the code properly when posting.

Cédric Moonen
Software developer

Charting control [v2.0]
OpenGL game tutorial in C++

[Message Deleted]

Purish Dwivedi28-Apr-09 21:10

Purish Dwivedi

28-Apr-09 21:10

[Message Deleted]

Re: error LNK2019: unresolved external symbol

Stephen Hewitt28-Apr-09 21:16

Stephen Hewitt

28-Apr-09 21:16

Purish Dwivedi wrote:
Prototype is as:
int __cdecl RecordExceptionInfo(PEXCEPTION_POINTERS data, const char *Message);

Purish Dwivedi wrote:
Function definition is as:

int __cdecl RecordExceptionInfo(PEXCEPTION_POINTERS pExceptPtrs,
LPCTSTR lpszMessage)

The underlined bits have been added.
Note that if you're building for Unicode then the first is an ANSI string and the second is Unicode and so the second in NOT the definition of the first.

Steve

Re: error LNK2019: unresolved external symbol

Cedric Moonen28-Apr-09 21:22

Cedric Moonen

28-Apr-09 21:22

The arguments of the function prototype do not match the arguments of the function definition if UNICODE is defined (in which case, LPCTSTR will resolve to a wchar string, and not a char string). So, replace the char in the function prototype by the same LPCTSTR and this should fix your problem.

Cédric Moonen
Software developer

Charting control [v2.0]
OpenGL game tutorial in C++

Re: error LNK2019: unresolved external symbol

Purish Dwivedi28-Apr-09 22:08

Purish Dwivedi

28-Apr-09 22:08

thanks, I have removed this error.

Re: error LNK2019: unresolved external symbol

Stephen Hewitt28-Apr-09 21:06

Stephen Hewitt

28-Apr-09 21:06

The error message seems to be saying:
A function with the signature int __cdecl RecordExceptionInfo(struct _EXCEPTION_POINTERS *,char const *) is referenced in the file "ExceptionAttacher.???" from the function int __stdcall AfxWinMain(struct HINSTANCE__ *,struct HINSTANCE__ *,wchar_t *,int). Clearly the function int __cdecl RecordExceptionInfo(struct _EXCEPTION_POINTERS *,char const *) is declared or we would have a compiler error instead, but it's not defined or the file it's defined in is not included in the project because the linker can't find it.

PS: Why the function AfxWinMain defined in "ExceptionAttacher.xxx"? This function is part of the MFC framework and not meant to be user defined.

Steve

wua in remote machine

ashish8patil28-Apr-09 19:03

ashish8patil

28-Apr-09 19:03

hello all,
I want to get search update for remote machine.Means how many updates it wants and all.
how do i use WUA API for remote machine please help me .I Visited microsoft website but not get proper idea.

Hide ' X ' box in a dialog [modified]

Shashi.Shinde28-Apr-09 17:34

Shashi.Shinde

28-Apr-09 17:34

Hi,
I want to hide 'X'-box or Close-box (which we can find at the Top-right corner of a Dialogbox).
Only i need to remain Minimize-box in my dialog. Can any one please help me ,what should be the code to hide this box in MFC.

please let me know as soon as possible.

Thanks in advance Smile | :)

modified on Wednesday, April 29, 2009 2:20 AM

Re: Hide ' X ' box in a dialog

_AnsHUMAN_ 28-Apr-09 17:50

_AnsHUMAN_

28-Apr-09 17:50

Under dialog properties set the System Menu to false.

You need to google first, if you have "It's urgent please" mentioned in your question.
Wink | ;-)

_AnShUmAn_

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