Adrian,
I haven't tried this but what I would do is when you declare your Property -
omit the Value attribute.
This way the property will be undefined.
Then when you are checking use something like:
<Feature Id="ProductFeature" Title="MainFeature" Level="1">
<Feature Id="FeatureToInstallWhenOCXMissing" Display="hidden"
Level="1">
<Condition Level="0"><[FOUNDTABCTL32]></Condition>
<ComponentRef Id="ProductComponent"/>
</Feature>
</Feature>
This way when the FileSearch finds something then [FOUNDTABCTL32] will be
defined and the condition will hold, thereby setting the
FeatureToInstallWhenOCXMissing Level="0"
Tell me if this helps at all,
Alexei
Adrian Gantoi wrote:
>
> Hi all,
>
> I'm having a problem with correctly specifying the Feature's Condition.
> My goal - make a search of an ocx file, and if the ocx file does not exist
> on the target computer,
> keep a feature selected for installation.
> If the ocx exists, the feature should be automatically deselected.
> I'm currently having doubts if this is possible, since FileSearch should
> return a string...
> My code below:
>
> <Property Id="FOUNDTABCTL32" Value="o" Secure="yes">
> <FileSearch Id="FOUNDTABCTL32" Name="tabctl32.ocx"/>
> </Property>
>
> <Feature Id="ProductFeature" Title="MainFeature" Level="1">
> <Feature Id="FeatureToInstallWhenOCXMissing" Display="hidden"
> Level="1">
> <Condition Level="0"><![CDATA[FOUNDTABCTL32]]></Condition>
> <ComponentRef Id="ProductComponent"/>
> </Feature>
> </Feature>
>
> Am I doing something wrong or this is not possible ?
>
> Thanks for any help,
> Adrian
>
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