You can't do that with anything built into the Windows Installer.  That pattern 
isn't really great for really robust installation behavior either.  It can be 
very hard to correctly repair, patch and sometimes uninstall the data.

From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On Behalf Of Nitin Chaudhari
Sent: Monday, April 02, 2007 1:42 AM
To: wix-users@lists.sourceforge.net
Subject: [WiX-users] RegistrySearch??

In one of my registry keys the system has following strings

OPEN     REG_SZ    value
OPEN1    REG_SZ    value1
OPEN2    REG_SZ    value 2

now how do i find out that the next name should be OPEN3?
On target machine, there may be OPENn (n could be any number) how can i derive 
OPENn+1

Thanks,
Nitin
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