Just found it - it's MsiQueryFeatureState. The good thing is that it
accepts a product code which
I can retrieve with MsiGetProperty(.., "EXISTINGPRODUCTS" ...
Next, I should construct an ADDLOCAL string which concatenates the features.
Best regards,
Calin
PS.
it still feels like a workaround. For instance, I don't see any
changes on the FEATURESTOREMOVE
property.
<UpgradeVersion Maximum="$(var.PRODUCTVER).0" IncludeMaximum="yes"
Minimum="3.1.3.0" IncludeMinimum="yes"
Property="EXISTINGPRODUCTS" MigrateFeatures="yes"
RemoveFeatures="[FEATURESTOREMOVE]" />
Calin Iaru wrote:
> Hi List,
>
>
> I am running an upgrade dialog and from the log I see that
> MigrateFeatureStates correctly detects the feature which was previosly
> installed. However, an upgrade will install not only that feature, but
> also the rest of the features. The tutorial from tramontana.hu upgrades
> based on user input, and what I want is to upgrade automatically only
> the components installed.
> I could create a custom action which logs if the feature is to be
> installed or not when upgrading; to my surprise - MsiGetFeatureState
> reports that all features are absent which means that it scans the
> feature table. What is the API that tells me what feature is installed,
> just like MigrateFeatureStates is reporting?
>
> Best regards,
> Calin
>
>
>
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