Avalonia/samples/ControlCatalog/Pages/TableViewPage.axaml

<ContentPage xmlns="https://github.com/avaloniaui"
             xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
             xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
             xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
             xmlns:viewModels="clr-namespace:ControlCatalog.ViewModels"
             xmlns:converter="clr-namespace:ControlCatalog.Converter"
             mc:Ignorable="d" d:DesignWidth="800" d:DesignHeight="450"
             x:Class="ControlCatalog.Pages.TableViewPage"
             x:DataType="viewModels:TableViewPageViewModel"
             Header="TableView">

  <ContentPage.Resources>

    <converter:GdpToBrushConverter x:Key="GdpToBrushConverter" />
    <converter:TableViewColumnWidthConverter x:Key="TableViewColumnWidthConverter" />

    <ControlTheme x:Key="GdpCellTheme"
                  TargetType="TableViewCell"
                  BasedOn="{StaticResource {x:Type TableViewCell}}"
                  x:DataType="viewModels:TableViewPageViewModel+Country">
      <Setter Property="Background" Value="{Binding GDP, Converter={StaticResource GdpToBrushConverter}}" />
    </ControlTheme>

  </ContentPage.Resources>

  <DockPanel>

    <StackPanel Orientation="Horizontal"
                DockPanel.Dock="Top">

      <CheckBox Name="UseStarSizes"
                Content="Use star-sized columns"
                IsChecked="True"
                Margin="8" />

      <CheckBox Name="CanUserResizeColumns"
                Content="Allow column resizing"
                IsChecked="True"
                Margin="8" />

      <CheckBox Name="ShowRegionColumn"
                Content="Show region column"
                IsChecked="True"
                Margin="8" />

    </StackPanel>

    <TableView ItemsSource="{Binding Countries}"
               CanUserResizeColumns="{Binding #CanUserResizeColumns.IsChecked}">
      <TableView.Columns>
        <TableViewColumn Header="Name"
                         Binding="{Binding Name}"
                         Width="{Binding #UseStarSizes.IsChecked, Converter={StaticResource TableViewColumnWidthConverter}, ConverterParameter=3}" />
        <TableViewColumn Header="Region"
                         Binding="{Binding Region}"
                         IsVisible="{Binding #ShowRegionColumn.IsChecked}"
                         Width="{Binding #UseStarSizes.IsChecked, Converter={StaticResource TableViewColumnWidthConverter}, ConverterParameter=2}" />
        <TableViewColumn Header="Population"
                         Binding="{Binding Population, StringFormat=N0}"
                         Width="{Binding #UseStarSizes.IsChecked, Converter={StaticResource TableViewColumnWidthConverter}, ConverterParameter=1.5}"
                         HorizontalContentAlignment="Right" />
        <TableViewColumn Header="Area"
                         Binding="{Binding Area, StringFormat=N0}"
                         Width="{Binding #UseStarSizes.IsChecked, Converter={StaticResource TableViewColumnWidthConverter}, ConverterParameter=1}"
                         HorizontalContentAlignment="Right" />
        <TableViewColumn Header="GDP"
                         Binding="{Binding GDP, StringFormat=N0}"
                         Width="{Binding #UseStarSizes.IsChecked, Converter={StaticResource TableViewColumnWidthConverter}, ConverterParameter=1}"
                         CellTheme="{StaticResource GdpCellTheme}"
                         HorizontalContentAlignment="Right">
        </TableViewColumn>
      </TableView.Columns>
    </TableView>

  </DockPanel>

</ContentPage>