Items Repeater Sample using UniformGridLayout is incomplete

[rafaels-dev]

Which version of the app?

WinUI 3 Gallery

Description

I'm following the tutorial "Create a simple Windows App with WinUI | CLL04" and when I open the ItemsRepeater selecting the UniformGridLayout option, I can't see the C# code of the BarItems class.

Screenshots

Windows version

Windows 11 21H2 (22000)

Additional context

WinUI Gallery version number: 1.3.15.0 Theme: Dark (using System Setting)