setupfactory is provide this function.
but i cant fing this function at installShield.
how can i use this function?
i was tryed script but it does abnormal.
function OnShowUI()
......
if (bMaintenanceMode) then
OnFirstUIBefor();
FeatureReinstall...
i am using installscript project. package name is setup.exe
first time i am excute setup.exe and install sucess.
next time i was make new version setup.exe.
when i excute setup.exe it's running uninstall automatically, and termination setup.exe progr...
