WiX - Undefined preprocessor variable '$(var.SetupProject1.TargetDir)'

Question

I\'m following this tutorial to create a WiX installer for a VS2017 Winform app. It\'s just a default Winform app (nothing fancy). But when I build the WiX proj

Answer 1

Just remove your second file ProductComponent.wxs should be OK.

The external tool mentioned on that blog is a good idea, but that should only be run by activating your winform project not your current project (the wix project).