Yes.  I generally follow the pattern of:

<CustomAction Id="SomeCustomAction" . . . . />

<UI>
  <ProgressText Action="SomeCustomAction">
    <![CDATA[SomeCustomAction is doing something]]>
  </ProgressText>
</UI>

<InstallExecuteSequence>
  <Custom Action="SomeCustomAction" Before="some_point">
    <![CDATA[your conditions]]>
  </Custom>


--
John Merryweather Cooper
Senior Software Engineer | Enterprise Service Applications | Continuing 
Development
Jack Henry & Associates, Inc.® | Lenexa, KS  66214 | Ext:  431050 
|jocoo...@jackhenry.com


-----Original Message-----
From: Brian Enderle [mailto:bria...@gmail.com] 
Sent: Friday, October 24, 2014 1:38 PM
To: WiX Users
Subject: [WiX-users] Display messages from Custom Action in ProgressDlg?

Is it possible to display messages from a custom action in the ProgressDlg (the 
screen with the progress bar)?

I would like to display the names of SQL scripts as they are running.  I have 
to do this in a Custom Action as there are other things to do as the scripts 
are executed.


Brian

If you can't explain it simply, you don't understand it well enough.  - Albert 
Einstein
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