This seems to me to be more of a wix-users question than a wix-devs question
(and you will probably get more responses there than here), but to give you an
answer:
As I understand it, within a transaction you can only manipulate database
columns and rows that are marked "temporary" (because they don't exist in the
MSI itself) [see http://msdn.microsoft.com/library/aa367457.aspx]. So, instead
of removing rows, you will need to add them in the cases where you don't want
to leave them behind. The easiest way to do that from my perspective is to
create a table of your own with the same schema as the RemoveFile table, maybe
adding a condition column, and then use a custom action to "copy" rows from
your table to the RemoveFile table (based on the condition?) in the manner
described in the dynamic combo box idea.
Alternately, you can assign the files you may not want to remove to one or more
components that you force to an action state of "unknown" (thereby preventing
their "removal") when you uninstall via your custom action when you wish to
suppress their removal (which will allow you to avoid parallel tables).
Blair
Date: Thu, 3 Nov 2011 21:15:46 +0100
From: [email protected]
To: [email protected]
Subject: [WiX-devs] Best strategy for optional file removal on uninstall
During my products lifetime there are a lot of files that will have been
created in my applications bin folder, for example .config files. I currently
just remove them at uninstall by having entries in the RemoveFile table.
I would on occasion like to be able to leave the files behind on uninstall and
I first thought I'd stop using the RemoveFile table and instead delete the
files from a Custom Action (which I could have a condition on).
After Googeling for a while, I found this thread about dynamically populating
a ComboBox. Can I use a similar trick on uninstall (i.e. deleting one or more
entries in the RemoveFile table).
Not 100% sure how the syntax would be, so though I'd ask first in case this
isn't possible. RegardsTrent
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