Executing Custom Actions immediately in WIX

Posted by jbloomer on Stack Overflow See other posts from Stack Overflow or by jbloomer
Published on 2010-04-14T16:29:15Z Indexed on 2010/04/14 16:33 UTC
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Is there any way to execute a custom action in WIX as soon as the first dialog (welcome) appears?

The requirement is to check prerequisites, and some of those require a custom action.

The custom action could be executed as we click to the next dialog, but then the standard WIX prereqs are determined apart from our custom prereq.

(The custom action we need is to check that IIS 6 Metabase Compatibility is turned on and a registry search does not work on x64 machines with a 32-bit installer)

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