If this file needs to exist before the installation is ran, you could have
something like:

<Property Id="FILEEXISTS">
 <FileSearch/>
</Property>

And if the FileSearch succeeds, FILEEXISTS would be set to true.  Then you
could have a <Condition/> that won't let the install proceed if it isn't
set?  I've done this with a <RegistrySearch/> before.

On 1/29/07, Ian Couper <[EMAIL PROTECTED]> wrote:

 I would like to use the FileSearch property to trigger a rollback if a
particular file is not located. I know how to use the FileSearch property,
but not hot to force a rollback based on its outcome. Can anyone help me
with this one, or point me in the right direction?



Thanks

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