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

<Window x:Class="Wox.Plugin.SystemPlugins.Program.ProgramSuffixes"
             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" 
             mc:Ignorable="d" 
                Width="400"
                Height="170"
        WindowStartupLocation="CenterScreen"
             d:DesignHeight="400" d:DesignWidth="300">
    <StackPanel>
        <TextBlock Margin="10 10 0 0" Foreground="Gray">Wox will only index files that end with following suffixes.</TextBlock>
        <TextBlock Margin="10 0 0 0" Foreground="Gray">Each suffix should split by ;</TextBlock>
        <TextBox x:Name="tbSuffixes" Margin="10"/>
        <Button HorizontalAlignment="Right" Height="30" Width="80" Click="ButtonBase_OnClick" Margin="10">Update</Button>
    </StackPanel>
</Window>