PowerToys/Wox.Plugin.SystemPlugins/Program/ProgramSetting.xaml

<UserControl x:Class="Wox.Plugin.SystemPlugins.Program.ProgramSetting"
             xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
             xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
             xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006" 
             xmlns:d="http://schemas.microsoft.com/expression/blend/2008" 
             xmlns:infrastructure="clr-namespace:Wox.Infrastructure;assembly=Wox.Infrastructure"
             mc:Ignorable="d" 
             d:DesignHeight="300" d:DesignWidth="600">

    <UserControl.Resources>
        <BooleanToVisibilityConverter x:Key="BoolToVis" />
    </UserControl.Resources>
    <Grid Margin="10">
        <Grid.RowDefinitions>
            <RowDefinition Height="50"/>
            <RowDefinition Height="*"/>
            <RowDefinition Height="50"/>
        </Grid.RowDefinitions>
        <StackPanel Grid.Row="0" Orientation="Horizontal" HorizontalAlignment="Right">
            <Button Height="30" HorizontalAlignment="Right" x:Name="btnProgramSuffixes" Width="130" Click="BtnProgramSuffixes_OnClick">Index file suffixes</Button>
            <Button Height="30" HorizontalAlignment="Right" Margin="10 0 0 0" x:Name="btnReindex" Width="100" Click="btnReindex_Click">Re-Index</Button>
        </StackPanel>
        <ListView x:Name="programSourceView" Grid.Row="1">
            <ListView.View>
                <GridView>
                    <GridViewColumn Header="Location"  Width="400">
                        <GridViewColumn.CellTemplate>
                            <DataTemplate>
                                <TextBlock Text="{Binding Location, ConverterParameter=(null), Converter={infrastructure:StringEmptyConverter}}"/>
                            </DataTemplate>
                        </GridViewColumn.CellTemplate>
                    </GridViewColumn>
                </GridView>
            </ListView.View>
        </ListView>
        <DockPanel  Grid.Row="2">
            <StackPanel x:Name="indexingPanel" Visibility="Hidden" HorizontalAlignment="Left" Orientation="Horizontal">
                <ProgressBar x:Name="progressBarIndexing" Height="20" Width="80" Minimum="0" Maximum="100" IsIndeterminate="True"></ProgressBar>
                <TextBlock Margin="10 0 0 0" Height="20" HorizontalAlignment="Center">Indexing</TextBlock>
            </StackPanel>
            <StackPanel HorizontalAlignment="Right" Orientation="Horizontal">
                <Button x:Name="btnDeleteProgramSource" Click="btnDeleteProgramSource_OnClick" Width="100" Margin="10" Content="Delete"/>
                <Button x:Name="btnEditProgramSource" Click="btnEditProgramSource_OnClick" Width="100" Margin="10" Content="Edit"/>
                <Button x:Name="btnAddProgramSource" Click="btnAddProgramSource_OnClick" Width="100" Margin="10" Content="Add"/>
            </StackPanel>
        </DockPanel>
    </Grid>
</UserControl>