XAML-Map-Control/MapUiTools/Avalonia/MapLayerInfo.xaml

<UserControl
    xmlns="https://github.com/avaloniaui"
    xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
    xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
    xmlns:md="clr-namespace:Markdown.Avalonia;assembly=Markdown.Avalonia"
    xmlns:ctxt="clr-namespace:ColorTextBlock.Avalonia;assembly=ColorTextBlock.Avalonia"
    xmlns:local="clr-namespace:MapControl.UiTools"
    x:Class="MapControl.UiTools.MapLayerInfo"
    x:Name="mapLayerInfo">

    <UserControl.Styles>
        <Style Selector="local|MapLayerInfo">
            <Setter Property="Padding" Value="4,0"/>
            <Setter Property="HorizontalAlignment" Value="Right"/>
            <Setter Property="VerticalAlignment" Value="Bottom"/>
        </Style>
        <Style Selector="ctxt|CRun">
            <Setter Property="FontSize" Value="10"/>
        </Style>
    </UserControl.Styles>

    <StackPanel
        Orientation="Horizontal"
        Background="{Binding Background, ElementName=mapLayerInfo}"
        DataContext="{Binding ElementName=mapLayerInfo}">

        <ProgressBar
            VerticalAlignment="Center" Margin="{Binding Padding}"
            Maximum="1" Value="{Binding MapLayer.LoadingProgress}">

            <ProgressBar.IsVisible>
                <Binding Path="Value" RelativeSource="{RelativeSource Self}">
                    <Binding.Converter>
                        <local:ProgressVisibilityConverter/>
                    </Binding.Converter>
                </Binding>
            </ProgressBar.IsVisible>
        </ProgressBar>

        <md:MarkdownScrollViewer Markdown="{Binding MapLayer.Description}"/>
    </StackPanel>
</UserControl>