IFX_INSTALLED_VERSION

InstallShield 2018 » InstallScript Language Reference

Project • This information applies to InstallScript projects.

This system variable is automatically initialized to the string equivalent of the data in the Version value of the application uninstallation registry key if that data is a packed DWORD; if the key or value does not exist or the data is not a packed DWORD, IFX_INSTALLED_VERSION is initialized to a null string ("").

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