Avalonia/samples/ControlCatalog/Pages/OpenGlPage.xaml

<UserControl xmlns="https://github.com/avaloniaui"
             xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
             x:Class="ControlCatalog.Pages.OpenGlPage"
             xmlns:pages="clr-namespace:ControlCatalog.Pages">
  <Grid>
    <pages:OpenGlPageControl x:Name="GL"/>
    <Grid ColumnDefinitions="*,Auto" Margin="20">
      <StackPanel Grid.Column="1" MinWidth="300">
        <TextBlock>Yaw</TextBlock>
        <Slider Value="{Binding Yaw, Mode=TwoWay, ElementName=GL}" Maximum="10"/>
        <TextBlock>Pitch</TextBlock>
        <Slider Value="{Binding Pitch, Mode=TwoWay, ElementName=GL}" Maximum="10"/>
        <TextBlock>Roll</TextBlock>
        <Slider Value="{Binding Roll, Mode=TwoWay, ElementName=GL}" Maximum="10"/>
      </StackPanel>
    </Grid>
  </Grid>
</UserControl>