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Windows Installer - using it as an Add-in installer

Posted on 2004-10-24
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Last Modified: 2010-04-24
I am trying to install two programs within the same [TargetDir] folder.   The first program is the main app...the second is an "add-in" for the main application.   When I try to build an MSI for the second application, I want to read in the [TargetDir] from the first applicaiton.  The problem is that .NET doesn't seem to have a friendly way reading in a directory from an existing MSI and setting it's own [TargetDir] variable equal to it.

I've tried put a variable into the registry and read it out during the installation of the second program, but .NET doesn't like that either.    Is there a way to do this?

Thank you!

Todd
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Question by:autigent
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    Accepted Solution

    by:
    Check this in MSDN:
    http://msdn.microsoft.com/library/en-us/msi/setup/creating_a_patch_package.asp
    And:
    http://msdn.microsoft.com/library/en-us/msi/setup/changing_the_target_location_for_a_directory.asp
    You can write small setup laucher that reads the value from the registry and passes it to the installer.

    Svetlin
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