Microsoft KB Archive/102699
PRB: C2188 Error Including AFXWIN.H in an RC File PSS ID Number: Q102699 Article last modified on 03-07-1994
|The information in this article applies to:|
|- Microsoft Foundation Classes for Windows, version 1.0, which is included with Microsoft C/C++ for MS-DOS and Windows, version 7.0|
An attempt to compile resources for an application may fail and the Resource Compiler may generate the following message:
/afx.h(18): error c2188 :#error : Microsoft Foundation Classes require C++ compilation (use a .cpp suffix)
The application’s resource (.RC) file includes the AFXWIN.H file. The error occurs because the AFXWIN.H file for version 1.0 of the Microsoft Foundation Classes does not include appropriate preprocessor directives to prevent it from being processed by the Resource Compiler.
Edit your .RC file to substitute AFXRES.H for AFXWIN.H in the .RC file to avoid this error message. The AFXWIN.H file for version 2.0 of the Microsoft Foundation Classes includes appropriate preprocessor directives to prevent it from being processed by the Resource Compiler; instead, it includes AFXRES.H.
Microsoft has confirmed this to be a problem in Microsoft Foundation Classes version 1.0 for Windows. This problem was corrected in Microsoft Foundation Classes version 2.0 for Windows.
The following code example generates a C2188 error when you use the AFXWIN.H file for version 1.0 of the Microsoft Foundation Classes libraries for Windows:
Sample Code - TEST.RC
/ Command line needed: rc -r test.rc */
- include <afxwin.h>
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Copyright Microsoft Corporation 1994.