ENGINEDIR
InstallShield 2022 ยป InstallScript Language Reference
Project:This information applies to InstallScript projects.
The ENGINEDIR system variable stores the fully qualified path to the folder that contains the run-time files specific to the version of the engine being used by the setup, i.e., 7.00, 7.01, or 9.00, but not by InstallShield Professional 6.x setups.
The value of this system variable is shared among object scripts and between object scripts and the main setup script. This system variable is read-only; if you attempt to assign a value to it, a compiler error results.