Hi, 

I am maintaining the installer for our main product. This product is extensible 
and I was wondering how I would go about making installers for our extensions? 

What I would like is for the extension installers to refuse being installed if 
the main application isn't installed. 
Furthermore I would like the extension installers to be removed if the main 
application is removed, but NOT if it is being upgraded. 
Currently I am not using patching or minor upgrades, only major upgrades for 
our main product. 

What we do today is essentially copying the extension assemblies into the 
folder of the main application, and then it automatically detects the new 
extensions and loads them (after a restart). Sometimes we need to tweak or 
change some settings which we then do either by hand, or by a small application 
designed to handle the specific settings. 

I would really like a general scheme for deployment extensions, but my 
knowledge and understanding of WiX and MSI is not so complete that I can think 
my way through the problem on my own. So I turn to you for some tips, 
guidelines and suggestions? 

I am happy to provide more information should it be needed. 

/Thomas Due 





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