"%WIX%\bin\heat.exe" should work.  The quotes are important as there maybe 
spaces in the path.  The WIX environment variable should be defined as pointing 
to the WIX install location.
--
John Merryweather Cooper
Jack Henry & Associates, Inc. (Premier Tech, Inc.)
Build & Install Engineer - jXchange
Office:  913-341-3434 x791011
jocoo...@jackhenry.com



-----Original Message-----
From: Dirk Räder [mailto:d...@raeder.cc] 
Sent: Friday, September 16, 2011 6:04 AM
To: wix-users@lists.sourceforge.net
Subject: [WiX-users] Calling heat from within a preprocessor extension

Hi,

I'm currently tayloring a preprocessor extension that generates the entire 
directory structure, components and so on during the preprocessor run. It is 
quite similar to heat, but can be used within the WiXproj build.

I also have to generate class and registry values for several files.
Here, I'm would like to call "heat file $inputFile -out $outputFile -sfrag". 
The next step would be to extract the resulting Class and RegistryValue element 
from $outputFile.

How can I determine where to find heat.exe? Simply start a process it and hope 
Windows will find the executable? Or is there a more robust way?

Regards, Dirk

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