[wix-users] UILevel and LaunchConditions

[Rob Mensching]

::MsiProcessMessage() will do the right thing.

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-----Original Message-----
From: wix-users <wix-users-bounces at lists.wixtoolset.org> On Behalf Of Alan Sinclair via wix-users
Sent: Thursday, April 19, 2018 2:06 PM
To: WiX Toolset Users Mailing List <wix-users at lists.wixtoolset.org>
Cc: Alan Sinclair <anadem at gmail.com>
Subject: [wix-users] UILevel and LaunchConditions

Is UILevel available to custom actions before LaunchConditions?
Or is there another way to determine whether an install is running without UI?

Alternatively, can I use a custom action to terminate an install cleanly after UILevel is available?

My scenario is that our installer is dual-scope, using the WiX UI for the user to choose between per-user and per-machine. It's working well except for the case where a silent upgrade (or semi-silent, /qb or /qr) tries to change the scope. (For an install with full UI we force the upgrade to be the same scope as the previous install.)

thanks
Alan

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