There is an article describing MSI Automation (InstallShield Developer 7 project), and modifying the ISPathVariable table, but this require SQL knowledge.
http://www.installshield.com/news/ne...les/DEVtip.pdf
Path Variables are helpful when changing build environment, and are located in the direct editor tables. The InstallShield article describes a method to change these variables using MSI Automation and SQL queries. I don't have any SQL skills and need help to how I can accomplish this.