Dumb question, are the < signs causing you trouble? I use:
<Condition Message='Install aborted.'><![CDATA[NOT (DA_VER << "#")
]]></Condition>
On 8/9/07, Rob Hamflett <[EMAIL PROTECTED]> wrote:
>
> Give your property an explicit starting value with [EMAIL PROTECTED], which
> gets overridden by the
> RegistrySearch. Then you can base your condition against this value.
>
> Rob
>
> Schuett, Michael (VMC) wrote:
> > 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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