Roy Riegel wrote:

When Application B's installer is loading MyRuntime.dll, it increments a ref. or "shared file" count for the dll; when Application A (or B) are uninstalled, the ref. count is decremented by 1, and MyRuntime.dll still persists in the eg: ..\System\Bin dir.

When the OTHER app. is uninstalled the ref. count gets decremented (to zero), file gets removed, system is completely "cleaned up" etc......

My questions:

   1. Is there an identical mechanism in WIX?


The Windows Installer model uses components to handle sharing. The MSI SDK talks a lot about it and, of course, Rob's blog entry is useful: http://blogs.msdn.com/robmen/archive/2003/10/18/56497.aspx.

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http://joyofsetup.com/

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