WiX: how to access / change installation directory in managed bootstrapper?

Question

I am creating a WPF setup application with a custom user interface. I started with the tutorial of Bryan P. Johnston: http://bryanpjohnston.com/2012/09/28/custom-wix-managed

Answer 1

Yes just create a variable in your burn bootstrapper:

you can then pass this as a parameter to your boot-strapped msi package: