Chuck wrote:
> Is it possible to call a third party dll, included in my installer as a 
> binary file only, from a custom action that is in a C++ dll?
>   

No. MSI extracts one file at a time as needed to execute a CA.
> If that isn't possible is that anyway to access a 3rd party dll from my 
> custom action prior to the installation of files?
>   

You can extract it yourself, to a secure location appropriate for the 
user's rights (e.g., on an admin-ACL'd directory when the user is an 
admin; otherwise local temp). It's not recommended, as it's difficult to 
get right.

-- 
sig://boB
http://bobs.org



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