I cant write Persian language in ma MFC project

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2.00/5 (1 vote)

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Hi
I have wrote a VC++ project . in design mode for interface of program , I write Persian in caption field and I run the project , But in run mode the Texts is shown " ?????? "

How can I fix it?

Posted 9-Apr-13 11:38am

hor_313

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2 solutions

Solution 2

Hi.

Add this two simple functions and use its.

void MakeUnicodeString(CStringW &cstrW, const char* multibyte)
{
int nbytes = MultiByteToWideChar(CP_ACP,0,multibyte,-1,0,0);
WCHAR *wstr = new WCHAR[nbytes+2];
MultiByteToWideChar(CP_ACP,0,multibyte,-1,wstr,nbytes);
wstr[nbytes]=0;
cstrW = wstr;
delete [] wstr;
}

void MakeAnsiString(CString &cstr, const WCHAR* wide)
{
int nbytes = WideCharToMultiByte(CP_ACP,0,wide,-1,0,0,0,0);
char *str = new char[nbytes+2];
WideCharToMultiByte(CP_ACP,0,wide,-1,str,nbytes,0,0);
str[nbytes]=0;
cstr = str;
delete [] str;
}

Write me for any questions in google++ or blog:
http://strongcpp.blogspot.ru/[^]

Posted 10-Apr-13 3:52am

consthab2

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Sergey Alexandrovich Kryukov · Accepted Answer · 2013-04-09T11:55:00

Solution 1

Ever heard of Unicode and how it works?
Please see:
http://en.wikipedia.org/wiki/Unicode[^],
http://unicode.org/[^].

Unicode is not encoding. One thing you need to know is that on Windows memory representation of Unicode text is UTF-16LE. Please see:
http://www.unicode.org/faq/utf_bom.html[^].

About Unicode and C++:
http://www.i18nguy.com/unicode/c-unicode.html[^],
http://msdn.microsoft.com/en-us/library/1by39td3%28v=vs.110%29.aspx[^].

Unicode with MFC: http://msdn.microsoft.com/en-us/library/wsdfs47e%28v=vs.110%29.aspx[^].

—SA

Posted 9-Apr-13 11:55am

Sergey Alexandrovich Kryukov

Updated 10-Apr-13 3:46am

v2

Comments

Espen Harlinn 9-Apr-13 20:07pm

5'ed! L"Unicode text using escape codes"

Sergey Alexandrovich Kryukov 9-Apr-13 20:36pm

Thank you, Espen.
Frankly, at this moment of time its hard for me to understand what escape codes did you mean, but I'm very glad to hear from you.
—SA

Espen Harlinn 10-Apr-13 4:14am

OP may have trouble entering the Persian text in his editor and may have to use escape sequences to get the text he wants.

The escape \xhhh consists of the backslash followed by x followed by one or more hexadecimal digits that are taken to specify the value of the desired character. There is no limit to the number of digits in a hexadecimal sequence. A sequence of octal or hexadecimal digits is terminated by the first character that is not an octal digit or a hexadecimal digit, respectively

Sergey Alexandrovich Kryukov 10-Apr-13 9:46am

Oh yes, but it's not advisable to enter hard-coded text in the code, even if this is a part of UI. There are resources for that purpose...
—SA

Espen Harlinn 10-Apr-13 9:48am

Perhaps we should mention that he needs to use a font that supports the required characters too?

Sergey Alexandrovich Kryukov 10-Apr-13 9:59am

Oh yes, this too, thank you for the note.
I would note that nearly all modern platforms support Perso-Arabic script (character repertoire) by default; any with wide font support of Unicode will support it.
—SA

Espen Harlinn 10-Apr-13 10:00am

That's useful, thanks :)

Sergey Alexandrovich Kryukov 10-Apr-13 10:27am

:-)