How can I convert integer to cstring in visual C++ MFC?

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Hi everybody
It is interesting, I could do any conversion in MFC Ver.6, But I receive compiler error on itoa!
Could you please give me a sample.

What I have tried:

Every time I get POSIX Error and _itoa give me SECURE Error.

Posted 1-Sep-20 0:06am

Member 11490990

Updated 7-Sep-20 8:20am

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3 solutions

Solution 1

Since you have not given us any information about your problem the code you are using, or the actual error message, the best I can do is suggest a reading of _itoa, _itow functions | Microsoft Docs[^].

Posted 1-Sep-20 0:23am

Richard MacCutchan

Solution 2

What about the documentation[^]?

I've underlined it for you:

Because of their potential for security issues, by default, these functions cause deprecation warning C4996: This function or variable may be unsafe. Consider using safe_function instead. To disable deprecation, use _CRT_SECURE_NO_WARNINGS. We recommend you change your source code to use the safe_function suggested by the warning message. The more secure functions do not write more characters than the specified buffer size. For more information, see _itoa_s, _itow_s functions.

Posted 1-Sep-20 0:35am

CPallini

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This content, along with any associated source code and files, is licensed under The Code Project Open License (CPOL)

Michael Haephrati · Accepted Answer · 2020-09-07T08:20:00

To convert an Integer into a CString, the best way would be:

C++

CString MyString;
int MyInt;

MyString.Format(L"%d",MyInt);

Another way is to use the std library's to_wstring[^], and then cast the result to CString.

In that case, your code will be:

C++

MyString = (CString)(std::to_wstring(MyInt).c_str());

How can I convert integer to cstring in visual C++ MFC?

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How can I convert integer to cstring in visual C++ MFC?

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