Hello,
I'm reading a DWORD value from the registry using RegistrySearch. (WiX
3.0.2925.0)
<Property Id="DA_VER">
<RegistrySearch Id='DaVer' Type='raw' Root='HKLM' Name='Version'
Key='SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\FooSoft 1.0' />
</Property>
I understand DA_VER is an empty string if "Version" isn't found. If it is
found, DA_VER will start with '#' followed by the value of Version.
I want to bail out of the install if the DWORD value doesn't exist. I've tried
the following and none of them work.
<Condition Message='Install aborted.'> NOT DA_VER </Condition>
<Condition Message='Install aborted.'> DA_VER = "" </Condition>
<Condition Message='Install aborted.'> NOT (DA_VER << "#") </Condition> (This
doesn't even compile)
Any ideas/suggestions?
I'm assuming all the Windows Install Conditional Statement Syntax (see:
http://msdn2.microsoft.com/en-us/library/aa368012.aspx) is valid in WiX.
Thanks,
Mike
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