sourcegit/src/Views/FilterModeSwitchButton.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"
             mc:Ignorable="d" d:DesignWidth="800" d:DesignHeight="450"
             x:Class="SourceGit.Views.FilterModeSwitchButton"
             x:Name="ThisControl">
  <Button Classes="icon_button"
          Width="12" Height="12"
          Padding="0"
          Background="Transparent"
          VerticalContentAlignment="Center"
          Click="OnChangeFilterModeButtonClicked">
    <Grid>
      <Path Width="12" Height="12"
            Data="{StaticResource Icons.Eye}"
            Fill="{DynamicResource Brush.FG2}"
            IsVisible="{Binding #ThisControl.Mode, Converter={x:Static ObjectConverters.Equal}, ConverterParameter={x:Static m:FilterMode.None}}"/>

      <Path Width="12" Height="12"
            Data="{StaticResource Icons.Filter}"
            Fill="{DynamicResource Brush.Accent}"
            IsVisible="{Binding #ThisControl.Mode, Converter={x:Static ObjectConverters.Equal}, ConverterParameter={x:Static m:FilterMode.Included}}"/>

      <Path Width="12" Height="12"
            Data="{StaticResource Icons.EyeClose}"
            Fill="{DynamicResource Brush.Accent}"
            IsVisible="{Binding #ThisControl.Mode, Converter={x:Static ObjectConverters.Equal}, ConverterParameter={x:Static m:FilterMode.Excluded}}"/>
    </Grid>
  </Button>
</UserControl>