1 Error C2065 Cstring
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Version Email this Page… Subscribe to this Thread… Display Linear Mode Switch to Hybrid Mode Switch to Threaded Mode October 10th, 2006,10:50 AM #1 nithithika View Profile View Forum Posts Member Join Date Apr 2005 Posts 78 error C2065: 'CString' : undeclared identifier I have created com Service. In that i tried using CString to declare variable. But i got the error error error c2065 '__func__' undeclared identifier C2065: 'CString' : undeclared identifier so i include the header file "afxwin.h" but after including i got another error fatal error C1189: #error : WINDOWS.H already included. MFC apps must not #include so i tried changing the source file category in the Project->Settings->C/c++ tab to not using precompiled header files But eventhough i got the same error So i commented the but after that i got th error fatal error C1189: #error : initguid: must include objbase.h first. Can anybody help me is it possible to declare CString variable in Com Services. IF so how to declare it . Reply With Quote October 10th, 2006,11:47 AM #2 Maximus_X View Profile View Forum Posts Visit Homepage Member Join Date Jan 2003 Location Timisoara, Romania Posts 306 Re: error C2065: 'CString' : undeclared identifier BSTR it's a solution of replacing CString variables in COM modules. BSTR it's already wide string. Some usedfull link are: http://www.codeguru.com/forum/showthread.php?t=231164 http://www.codeguru.com/forum/showthread.php?t=231165 http://www.codeguru.com/forum/showthread.php?t=337247 If you need to send by using COM's interface, a using of CString from a COM client it's: Code: CString cs("Hello"); BSTR bstr = cs.AllocSysString(); Last edited by Maximus_
Help Receive Real-Time Help Create a Freelance Project Hire for a Full Time Job Ways to Get Help Ask a Question Ask for Help Receive Real-Time Help error c2065 'ifstream' undeclared identifier Create a Freelance Project Hire for a Full Time Job Ways error c2065 undeclared identifier c++ to Get Help Expand Search Submit Close Search Login Join Today Products BackProducts Gigs Live Careers Vendor Services error c2065 'vector' undeclared identifier Groups Website Testing Store Headlines Experts Exchange > Questions > error C2065: 'CString' : undeclared identifier Want to Advertise Here? Solved error C2065: 'CString' : undeclared identifier Posted http://forums.codeguru.com/showthread.php?402543-error-C2065-CString-undeclared-identifier on 2008-07-16 Editors IDEs C++ 4 Verified Solutions 8 Comments 3,626 Views Last Modified: 2013-12-14 I am using visual C++ 2005(native C++) I got the error error C2065: 'CString' : undeclared identifier for the following code, what is the problem? #include using namespace std; int main(){ CString ab; https://www.experts-exchange.com/questions/23571821/error-C2065-'CString'-undeclared-identifier.html ab="a"; } Select all Open in new window 0 Question by:william007 Facebook Twitter LinkedIn Google LVL 55 Best Solution byJaime Olivares if you are talking about MFC's CString class, then cstring.h is not the answer. You need afx.h Go to Solution 8 Comments LVL 55 Overall: Level 55 C++ 19 Editors IDEs 13 Message Accepted Solution by:Jaime Olivares2008-07-16 if you are talking about MFC's CString class, then cstring.h is not the answer. You need afx.h 0 LVL 55 Overall: Level 55 C++ 19 Editors IDEs 13 Message Expert Comment by:Jaime Olivares2008-07-16 also, that will work only if you have declared your project as MFC application. 0 LVL 86 Overall: Level 86 C++ 72 Editors IDEs 22 Message Expert Comment by:jkr2008-07-16 Did you mean the following? #include using namespace std; int main(){ string ab; ab="a"; } Select all Open in new window 0 LVL 86 Overall: Level 86 C++ 72 Editors IDEs 22 Message Assisted So
here for a quick overview of the site Help Center Detailed answers to any questions you might have Meta Discuss the workings and policies of this site http://stackoverflow.com/questions/18268352/error-c2065-errno-undeclared-identifier-in-string-in-visual-studio-2012 About Us Learn more about Stack Overflow the company Business Learn more about hiring developers or posting ads with us Stack Overflow Questions Jobs Documentation Tags Users Badges Ask Question x Dismiss Join the Stack Overflow Community Stack Overflow is a community of 4.7 million programmers, just like you, helping each other. Join them; it only takes a minute: Sign up error C2065: 'errno' : error c2065 undeclared identifier in in Visual Studio 2012 up vote 1 down vote favorite 1 I had a project running in Visual Studio 2010. Now I am using Visual Studio 2012. Now I am getting below error while building the project. I have looked into Google and SO as well. But no where I got any solution. c:\program files\microsoft visual studio 11.0\vc\include\string(557): error C2065: 'errno' 1 error c2065 : undeclared identifier 2>c:\program files\microsoft visual studio 11.0\vc\include\string(557): error C2065: 'errno' : undeclared identifier 2>c:\program files\microsoft visual studio 11.0\vc\include\string(562): error C2065: 'errno' : undeclared identifier 2>c:\program files\microsoft visual studio 11.0\vc\include\string(574): error C2065: 'errno' : undeclared identifier 2>c:\program files\microsoft visual studio 11.0\vc\include\string(579): error C2065: 'errno' : undeclared identifier I have tried with including stdlib.h into the sting header file but still I am getting this same error. Any help appreciated. c++ c string visual-studio-2010 visual-studio-2012 share|improve this question edited Aug 16 '13 at 7:53 asked Aug 16 '13 at 7:46 Rasmi Ranjan Nayak 2,832124686 3 Did you include errno.h in your code? –verbose Aug 16 '13 at 7:48 looks like you are missing #include, still a bit weird since I would assume std::string would include everything it needs itself. –hetepeperfan Aug 16 '13 at 7:50 How did you switch to VS2012, did you convert the solution and projects oder did you create a new project with the wizard and include the existing source? Did you completely rebuild after going to VS2012, or is it possible that there still is intermediate output lying around that was built with VS2010? &nda