That was the missing key.
Thank you very much! :)

Hello, I am experimenting with NoesisGUI in C# with Unity, just following the first step guide right now and I have hit a snag with trying to show a secondary UserControl as described here: https://www.noesisengine.com/docs/Gui.Core.Unity3DTutorial.html#xaml-assets So I have the auto-generated main ...