sourcegit/src/Views/ChangeViewModeSwitcher.axaml

<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:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
             xmlns:m="using:SourceGit.Models"
             xmlns:v="using:SourceGit.Views"
             xmlns:vm="using:SourceGit.ViewModels"
             xmlns:c="using:SourceGit.Converters"
             mc:Ignorable="d" d:DesignWidth="800" d:DesignHeight="450"
             x:Class="SourceGit.Views.ChangeViewModeSwitcher"
             x:DataType="v:ChangeViewModeSwitcher">
  <Button Classes="icon_button" Padding="0" Margin="0" HorizontalAlignment="Center" VerticalAlignment="Center" ToolTip.Tip="{DynamicResource Text.ChangeDisplayMode}">
    <Button.Flyout>
      <MenuFlyout Placement="BottomEdgeAlignedLeft">
        <MenuItem Header="{DynamicResource Text.ChangeDisplayMode.List}" Command="{Binding SwitchMode}" CommandParameter="{x:Static m:ChangeViewMode.List}">
          <MenuItem.Icon>
            <Path Width="12" Height="12" Fill="{DynamicResource Brush.FG2}" Data="{StaticResource Icons.List}"/>
          </MenuItem.Icon>
        </MenuItem>
        <MenuItem Header="{DynamicResource Text.ChangeDisplayMode.Grid}" Command="{Binding SwitchMode}" CommandParameter="{x:Static m:ChangeViewMode.Grid}">
          <MenuItem.Icon>
            <Path Width="12" Height="12" Fill="{DynamicResource Brush.FG2}" Data="{StaticResource Icons.Grid}"/>
          </MenuItem.Icon>
        </MenuItem>
        <MenuItem Header="{DynamicResource Text.ChangeDisplayMode.Tree}" Command="{Binding SwitchMode}" CommandParameter="{x:Static m:ChangeViewMode.Tree}">
          <MenuItem.Icon>
            <Path Width="12" Height="12" Fill="{DynamicResource Brush.FG2}" Data="{StaticResource Icons.Tree}"/>
          </MenuItem.Icon>
        </MenuItem>
      </MenuFlyout>
    </Button.Flyout>

    <Path Stretch="Uniform" Fill="{DynamicResource Brush.FG2}" Data="{Binding ViewMode, Converter={x:Static c:ChangeViewModeConverters.ToIcon}}"/>
  </Button>
</UserControl>