If you mean prerequisite, prerequisites should be installed by a
bootstrapper before the MSI part of the setup starts. That's what things
like Burn are for. 

Otherwise, a cancel is a cancel. The entire MSI stops and rolls back. If you
want that Prerequest installed all the time, install it before the MSI.

Phil 

-----Original Message-----
From: Chaitanya Sanapala [PC-BLR-DEV] [mailto:chaita...@pointcross.com] 
Sent: Wednesday, June 19, 2013 12:03 AM
To: WiX-users@lists.sourceforge.net
Subject: [WiX-users] Condition for Installing softwares

Hi,



I installed Prerequest softwares,by using the custom action iam triggering
the softwares.



<Custom Action="RProject" Before="InstallFinalize" >not installed</Custom>

<Custom Action="sasview8" After="RProject">not installed</Custom>



When the user want to cancel the Project Entire MSi is cancelling.



How to set a condition for continuning the Project.



Reagrds,

Chaitanya.


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