To update an environment variable within a build, use the
Add to environment variables when calling external programs option of the Set Macro action (see the attached sample).
http://www.kinook.com/VisBuildPro/Ma...acroaction.htm
Or to call a batch file that modified variables and have those changes take effect for a program that is called, use the
Command to run before main command option on the Advanced tab of Run Program and derived actions.
http://www.kinook.com/VisBuildPro/Ma...dvancedtab.htm