Hi,
I'm trying to turn on and off a feature based on whether a file already
exists in the installation directory.
To do this, I'm setting a property based on a FileSearch:
<Property Id="XMLFILEEXISTS">
<DirectorySearch Id="CheckXMLFileDir" Path="[INSTALLLOCATION]"
Depth="0">
<FileSearch Id="My.XML" Name=" My.XML" />
</DirectorySearch>
</Property>
Then, in the feature I have a level condition on it:
<Feature Id="MyXML" Level="1" Title="My XML" Description="Select to
permit installer to backup and replace your XML with a clean version.">
<ComponentRef Id="MyXMLFiles" />
<Condition Level='1000'>
XMLFILEEXISTS
</Condition>
</Feature>
However, this doesn't appear to work. Looking in the log files, it appears
that XMLFILEEXISTS is evaluated as part of the AppSearch, which happens
before the INSTALLLOCATION property is even set, therefore I'm not sure
where it's looking!
I could be totally wrong of course... but in the log file, the
INSTALLLOCATION is set much later than any reference to My.XML.
Any ideas on what the right way to do this is?
Many thanks
RW.
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