Merge Modules

I've used them in most places i've worked, but what are the advantages so that i can try and get the company i work with presently to use them.

From what i understand they standardise shared components and reduce the risk of conflicts between apps.

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Answers (2)

Posted by: fetgor 16 years ago
Senior Purple Belt
Correct, I guess you can find pros and cons on the Wise web site?
Posted by: kkaminsk 16 years ago
9th Degree Black Belt
Merge modules do a few things but the important parts are...

1) Shared DLLs: When using merge modules for common DLLs it prevents you from uninstalling a common DLL that another application might need. The other application needs to have the DLL count registered for the DLL as well otherwise the DLL will be installed regardless. Now this should not be a big deal if the advertising info exists in the other application's MSI as it should detect and self heal the MSI when a call is made for the DLL.

2) Simplifies nasty installs: I guess the big one is BDE as you don't want to setup capture different BDE configurations then install them on the same machine. By using a merge module it ensures that the BDE engine is installed correctly and configured correctly effectively eliminating conflicts.
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