Yes, except that "Condition" ‎cannot use "Message" when placed inside Feature. 
‎I already said that I tried it before even sending question to the group.


  Original Message
From: Pavan Konduru
Sent: Friday, December 5, 2014 12:18
To: General discussion about the WiX toolset.
Reply To: General discussion about the WiX toolset.
Subject: Re: [WiX-users] "Condition" problem


This is a good solution from Nick!

-----Original Message-----
From: Nick Ramirez [mailto:nickra...@hotmail.com]
Sent: Friday, December 05, 2014 7:36 AM
To: wix-users@lists.sourceforge.net
Subject: Re: [WiX-users] "Condition" problem

Use a feature condition. A feature condition is where a Condition element is 
placed inside a Feature element. There, it can change whether or not that 
feature gets installed depending on if the statements evaluates to true.

It does this by changing the Level of the Feature:

<Feature Id="FeatureThatNeedsSQL" Title="My SQL Feature" Level="1">
  <ComponentGroupRef Id="SQLComponents" />
  <Condition Level="0">

  </Condition>
</Feature>

If SQL_INSTALLED is false, the feature's Level will be changed to 0, which 
means it will be disabled and removed from the feature tree. This works for the 
UI, because it removes the feature from the feature tree. It also works for the 
command-line because it disables the feature.



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