ILRepack.IntegrationTests/Scenarios/AnotherClassLibrary/ADummyUserControl.xaml

<UserControl x:Class="AnotherClassLibrary.ADummyUserControl"
             xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
             xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
             Width="150" Height="50" Background="GreenYellow">
    <TextBlock Text="Library User Control" HorizontalAlignment="Center" VerticalAlignment="Center" />
</UserControl>