Working with software packaging, just soon or late, you will ask the question how to show/hide or select/deselect a feature during setup. The larger your packaging projects are, the sooner the question comes. Sometimes, it becomes very tricky to control the features during setup and one little bug may cost you a couple of good days to trace to the root. It will be more complicated if you're working on projects created and designed by many other people before you. This post will show you a small tip to deal with custom setup in two scenarios: fresh installation and major upgrade.
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