Hi Bob,

thanks for reply.

What I discovered seems to meet, what you are writing. I can't interrupt 
AppSearch with a custom action.

Thats the point where I started thinking about a WixExtension.

What I like to do is some kind of (imagine all xx are valid values):
<Property Id='REGISTRY_SEARCH_RESULT'>
     <RegistrySearch Id='xx' Root='xx' Key='xx' Type'raw'/>
</Property>

<Property Id='DIRECTORY_SEARCH_RESULT'>
     <DirectorySearch Id='xx' AssingToProperty='yes' 
Path='$(manipulate([REGISTRY_SEARCH_RESULT])'/>
</Property>

So that the path provided for the directory search is adjusted in the 
maipulate function of an extension. I have to do this, because I'll get 
'Some/Path/To/Executable.exe -param' from the registry search but I only 
need the part 'Some/Path/To' in the directory search.

Is there a way to do this at all?

Regards, Michel

Am 03.06.2012 19:13, schrieb Bob Arnson:
> On 01-Jun-12 10:09, Michael Scheepers wrote:
>> Now I think a small extension is what I need, but I am not sure if the
>> extension is packaged to the msi or is only used at compile time (when
>> calling candle / light) or also at runtime when it is required.
> It can be both but nothing will allow you to add behavior to built-in
> MSI functionality. You can't interrupt AppSearch with a custom action.
>

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