*Background:*
I have been tasked with creating a Windows Installer using WiX that can
either install only a single version of the product or multiple copies of a
product. This is determined by a property that can be set either on the
command line or using a radio switch in the UI. This changes the Upgrade
code and find previous version behavior for the installer. This all works
as desired with the exception of uninstall clean up.
*Issue:*
When I install only one version of product in ether single installation mode
or multiple installation mode and then uninstall the product, I get desired
registry clean up behavior. But when I install multiple versions of the
product and uninstall the product I leave behind a version unique registry
key (all values but the default are removed) and a version unique
environment variable. The environment variable is written using the WiX
environment tag and I am writing the registry key and its default variable
as a stand alone component and that value is the key to the component, with
the component GUID being auto generated by WIX.
I have tried RemoveRegistryKey in an attempt to force the removal value it
is still not removing it. I will be the first to admit that I may be
working in an area of undefined behavior with MSI and WiX.
*Code:*
<Component Id="MultiRegA" Guid="*">
<Condition></Condition>
<RegistryValue Root="HKLM"
Key="Software\<company>\<systemsuite>\Packages\$(var.ProductName)\$(var.ProductVersion)"
Type="string" Value="MULTI" KeyPath="yes" />
<RemoveRegistryKey Id="rmvvarcomp"
Action="removeOnUninstall" Root="HKLM"
Key="Software\<company>\<systemsuite>\Packages\$(var.ProductName)\$(var.ProductVersion)"/>
</Component>
My Question: Is there any way to do clean up with out writing a binary
custom action?
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