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Edited text of question<br />

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Thanks for letting us know.<br />

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I generated both an Application and Console workspace before and after I inserted the .cpp. &nbsp;Also if I include stdafx.h as well as afx.h I get into errors. &nbsp;I read the stdafx.h and it does contain afx.h in the core headers. &nbsp;Something really odd to me is that stdafx.h is located in mfcdevstd\mfc\src instead of mfcdevstd\mfc\include and the applications cannnot find it until I put the src into the include paths under options..directory. <br />

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I generated both an Application and Console workspace before and after I inserted the .cpp.  Also if I include stdafx.h as well as afx.h I get into errors.  I read the stdafx.h and it does contain afx.h in the core headers.  Something really odd to me is that stdafx.h is located in mfcdevstd\mfc\src instead of mfcdevstd\mfc\include and the applications cannnot find it until I put the src into the include paths under options..directory.


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you should have your own stdafx.h (make a copy of the one in MFC source or use the one AppWizard writes for you). &nbsp;Don't directly refer to the one in MFC source area.<br />
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do NOT put any code or preprocessor statments before #include &quot;stdafx.h&quot; as any lines there are ignored when precompiled headers are used.<br />
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you should have your own stdafx.h (make a copy of the one in MFC source or use the one AppWizard writes for you).  Don't directly refer to the one in MFC source area.

do NOT put any code or preprocessor statments before #include "stdafx.h" as any lines there are ignored when precompiled headers are used.



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I asked why I got all those error. This is not a question but the answer for the experts who tried to help. &nbsp;I appreciate that.The real problem was that the code was sent to me by someone using an newer compiler and he used the header stdafx.h. That is not where CString is defined in VC 4.0. It is in afx.h..... I got a compile and run after that simple change.... 
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I asked why I got all those error. This is not a question but the answer for the experts who tried to help.  I appreciate that.The real problem was that the code was sent to me by someone using an newer compiler and he used the header stdafx.h. That is not where CString is defined in VC 4.0. It is in afx.h..... I got a compile and run after that simple change.... 

CString and Link Errors

C++ is an intermediate-level general-purpose programming language, not to be confused with C or C#. It was developed as a set of extensions to the C programming language to improve type-safety and add support for automatic resource management, object-orientation, generic programming, and exception handling, among other features.