Avalonia/samples/ControlCatalog/Pages/ProgressBarPage.xaml

<UserControl xmlns="https://github.com/avaloniaui" xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml" x:Class="ControlCatalog.Pages.ProgressBarPage">
  <StackPanel Orientation="Vertical" Spacing="4">
    <TextBlock Classes="h1">ProgressBar</TextBlock>
    <TextBlock Classes="h2">A progress bar control</TextBlock>
    <StackPanel>
      <CheckBox x:Name="showProgress" Margin="10,16,0,0" Content="Show Progress Text" />
      <CheckBox x:Name="isIndeterminate" Margin="10,16,0,0" Content="Toggle Indeterminate" />
      <StackPanel Orientation="Horizontal" Margin="0,16,0,0" HorizontalAlignment="Center" Spacing="16">
        <StackPanel Spacing="16">
          <ProgressBar IsIndeterminate="{Binding #isIndeterminate.IsChecked}" ShowProgressText="{Binding #showProgress.IsChecked}" Value="{Binding #hprogress.Value}" />
        </StackPanel>
        <ProgressBar IsIndeterminate="{Binding #isIndeterminate.IsChecked}" ShowProgressText="{Binding #showProgress.IsChecked}" Value="{Binding #vprogress.Value}" Orientation="Vertical" />
      </StackPanel>
      <StackPanel Margin="16">
        <Slider Name="hprogress" Maximum="100" Value="40" />
        <Slider Name="vprogress" Maximum="100" Value="60" />
      </StackPanel>

      <StackPanel Spacing="10">
        <ProgressBar VerticalAlignment="Center" IsIndeterminate="True" />
        <ProgressBar VerticalAlignment="Center" Value="5" Maximum="10" />
        <ProgressBar VerticalAlignment="Center" Value="50" />
        <ProgressBar VerticalAlignment="Center" Value="50" Minimum="25" Maximum="75" />
      </StackPanel>
    </StackPanel>
  </StackPanel>
</UserControl>