Avalonia/samples/ControlCatalog/Pages/WindowCustomizationsPage.xaml

<ContentPage Theme="{StaticResource ScrollPage}" 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="using:ControlCatalog.ViewModels"
             mc:Ignorable="d" d:DesignWidth="800" d:DesignHeight="450"
             Header="Window Customizations"
             x:Class="ControlCatalog.Pages.WindowCustomizationsPage"
             x:DataType="viewModels:MainWindowViewModel"
             x:CompileBindings="True"
             DataContext="{Binding $parent[Window].DataContext}">
  <StackPanel Spacing="20">

    <StackPanel
      IsEnabled="{OnFormFactor false, Desktop=true}">

      <TextBlock Classes="h1"
                 Text="Desktop properties"
                 Margin="4" />

      <CheckBox Content="Extend Client Area to Decorations"
                IsChecked="{Binding ExtendClientAreaEnabled}" />

      <StackPanel IsVisible="{Binding ExtendClientAreaEnabled}"
                  Margin="28,0,0,0">

        <Grid ColumnDefinitions="Auto,*,Auto">

          <TextBlock Text="Height:"
                     VerticalAlignment="Center"
                     Grid.Column="0" />

          <Slider Minimum="-1"
                  Maximum="200"
                  Value="{Binding TitleBarHeight}"
                  TickFrequency="1"
                  IsSnapToTickEnabled="True"
                  Margin="8,-10"
                  Grid.Column="1" />

          <TextBlock Text="{Binding TitleBarHeight, StringFormat=F0}"
                     MinWidth="50"
                     VerticalAlignment="Center"
                     Grid.Column="2" />

        </Grid>

        <CheckBox Content="Title"
                  IsChecked="{Binding ShowTitle}" />

        <CheckBox Content="Full Screen Button"
                  IsChecked="{Binding ShowFullScreenButton}" />

        <CheckBox Content="Minimize Button"
                  IsChecked="{Binding ShowMinimizeButton}" />

        <CheckBox Content="Maximize Button"
                  IsChecked="{Binding ShowMaximizeButton}" />

        <CheckBox Content="Close Button"
                  IsChecked="{Binding ShowCloseButton}" />

      </StackPanel>

      <CheckBox Content="Can Resize"
                IsChecked="{Binding CanResize}" />

      <CheckBox Content="Can Minimize"
                IsChecked="{Binding CanMinimize}" />

      <CheckBox Content="Can Maximize"
                IsChecked="{Binding CanMaximize}"
                IsEnabled="{Binding CanResize}" />

      <DockPanel>

        <Label Content="Corner Preference (Windows 11+): "
               Margin="0,4"
               DockPanel.Dock="Left" />

        <ComboBox ItemsSource="{Binding Win32WindowCornerPreferences}"
                  SelectedItem="{Binding Win32WindowCornerPreference, Mode=TwoWay}"
                  HorizontalAlignment="Left"
                  MinWidth="220" />

      </DockPanel>

    </StackPanel>

    <StackPanel IsEnabled="{OnFormFactor false, Mobile=true}">
      <TextBlock Classes="h1" Text="Mobile properties" Margin="4" />
      <CheckBox Content="Is System Bar Visible" IsChecked="{Binding IsSystemBarVisible}" />
      <CheckBox Content="Display Edge To Edge" IsChecked="{Binding DisplayEdgeToEdge}" />
      <TextBlock Text="{Binding SafeAreaPadding, StringFormat='Safe Area Padding: {0}'}"
                 Margin="0,4" />
    </StackPanel>

  </StackPanel>
</ContentPage>