wixtoolset/wix3 — pull request #164 by jakejustus (2014-11-04 21:00:26+00:00)
Title: issue4568 - Evaluate Checkboxes on Modify-Page prior to repair

Issue 4568 is about evaluating checkboxes prior to uninstall ; this pull request is about having the same behavior when in repair mode.
I've used exactly the same solution as Mr Erichsen.