When doing a major product upgrade I want to pass a certain value from 
the new installer to the existing install.  The idea is that the new 
install will pass this value to the old install and the old install will 
use this value to run a process before it removes its old files. I want 
that the old install will run a certain custom action before it removes 
all its files and it will also use the value that it got from the new 
installer.

-- 
Joe Osman
Design Engineer
Tait Radio Communications
175 Roydvale Avenue Christchurch
New Zealand
DDI: 64 3 3571584
www.taitradio.com
joe.os...@taitradio.com
TAIT: THE RIGHT FIT

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