Re: Preprocessor symbols ignored in .RC file

From:
David Wilkinson <no-reply@effisols.com>
Newsgroups:
microsoft.public.vc.mfc
Date:
Sat, 31 May 2008 17:12:01 -0400
Message-ID:
<eeDM5L2wIHA.5124@TK2MSFTNGP04.phx.gbl>
Don wrote:

(I posted this question in another group that is related to resource
talk, but there's SO little activity I had to post it here too. Sorry
to those who might be annoyed by that.)

Hi,

I am trying to set up the version info so that the exe file has
different info in the version fields, depending on one of my
preprocessor values.

I created a configuration that has the string _W98 in the
Configuration Properties C/C++ Preprocessor tab. Then I tried using
the following inside the .rc file

--------------------------
#ifdef _W98
            VALUE "FileVersion", "0.74 W98"
#else
            VALUE "FileVersion", "0.74"
#endif
---------------------------

But when I view the .exe file's version info using explorer, there is
no W98 in the File Version field.

I also tried using a duplicate VS_VERSION_INFO resource in the .rc
file with a condition of _W98, the same as the preprocessor symbol and
the file version field in the .exe doesn't change to the proper value
I want it to have.

This is the first time I've tried using a conditional build to change
version info. Is there something I'm doing wrong?

I'm using Visual Studio .Net 2003 with an MFC project.


Don:

For some reason I have never quite understood, the resources have separate
preprocessor definitions. Look in the Resources section of the project properties.

Also, if you hand edit the .rc file in an MFC project, your changes may get
overwritten. I always do this kind of thing in the .rc2 file.

--
David Wilkinson
Visual C++ MVP

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