[wix-users] How to do a conditional FileSearch?

[Fyodor Koryazhkin]

Try to put DirectorySearch element under the RegistrySearch element:
<Property Id="JDK_HOME" Secure="yes">

      <RegistrySearch Id="jdk_home" Root="HKLM"
Key="Software\JavaSoft\Java Development Kit\[JDK_VERSION]"
Name="JavaHome" Type="raw">
         <DirectorySearch Id="jdk_jvm" Path="[JDK_HOME]" Depth="3"
AssignToProperty=JDK_JVM >

            <FileSearch Name="jvm.dll" />

      </DirectorySearch>

     </RegistrySearch>

    </Property>

On Fri, Feb 3, 2017 at 4:15 PM, Lewis Henderson <henderso at opentext.com>
wrote:

> Hi Everyone,
>
> I posted earlier under a different (more obscure) subject and got no
> replies, so here's the crux of the matter.  I have a WiX installer which
> does a FileSearch based on a path from a RegistrySearch.  This is all fine
> and dandy as long as the RegistrySearch succeeds, but things go awry if it
> fails.  Is there any way to conditionally skip  the FileSearch if the
> RegistrySearch comes up empty?  Here's the relevant code:
>
>
>     <Property Id="JDK_VERSION" Secure="yes">
>
>       <RegistrySearch Id="jdk_ver" Root="HKLM"
>
>                       Key="Software\JavaSoft\Java Development Kit"
>
>                       Name="CurrentVersion" Type="raw" />
>
>     </Property>
>
>     <Property Id="JDK_HOME" Secure="yes">
>
>       <RegistrySearch Id="jdk_home" Root="HKLM"
>
>                       Key="Software\JavaSoft\Java Development
> Kit\[JDK_VERSION]"
>
>                       Name="JavaHome" Type="raw" />
>
>     </Property>
>
>     <Property Id="JDK_JVM" Secure="yes">
>
>       <DirectorySearch Id="jdk_jvm" Path="[JDK_HOME]" Depth="3">
>
>         <FileSearch Name="jvm.dll" />
>
>       </DirectorySearch>
>
>     </Property>
>
> Thanks for any help you can provide.
>
>                                                                 Lewis
>
>
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-- 
Regards,
Fyodor Koryazhkin..