Installshield 2014 - show form optional by errorcode of batch script -

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how can display form in installshield sequence optional evaluating error code of batchscript?

windows installer offers no direct way this. have create msi .dll custom action runs batch file, captures error code, , stores windows installer property (e.g. using msisetproperty). can edit events on relevant next button conditionally go selected optional panel. (don't forget edit button events accordingly wizard remains consistent.)


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