Why would you want to write a CustomAction if the Windows Installer provides 
fully tested functionality?  CustomActions are statistically the most fragile 
part of an install.

-----Original Message-----
From: Sean Farrow [mailto:[EMAIL PROTECTED]
Sent: Saturday, November 29, 2008 08:20
To: wix-users@lists.sourceforge.net
Subject: [WiX-users] App~Search query

Hi:
I am in the process of coding a msi. I need to search for multiple
applications and only display a message and about the installation if
none of the applications are found. Am I better off using an AppSearch
element or using a custom action and settings properties?
Any help apreciated.
SEan.
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