Hi,

to make the uninstall as perfect as possible I would like to save some 
information for the uninstaller custom action.

Say if my installer custom action changes a setting then I would like the 
uninstaller to undo that. The problem I face at the moment is that I can 
only revert the setting to its default. If some user already set the setting 
to a different value I cannot revert to that value.

I know that it can be done: The SQL extension for example can drop the table 
on uninstall, so it must remember the sql connection parameters. But how is 
that done?

Thanks,
Thorsten



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