PowerToys/Wox/ResultPanel.xaml

<UserControl x:Class="Wox.ResultPanel"
             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:converters="clr-namespace:Wox.Converters"
             mc:Ignorable="d" d:DesignWidth="100" d:DesignHeight="100">

    <!-- set max height of listbox to allow 6 results showed at once -->
    <ListBox x:Name="lbResults" MaxHeight="300" HorizontalContentAlignment="Stretch" PreviewMouseDown="LbResults_OnPreviewMouseDown" Style="{DynamicResource BaseListboxStyle}" SelectionChanged ="lbResults_SelectionChanged"  Focusable="False"  KeyboardNavigation.DirectionalNavigation="Cycle" SelectionMode="Single" VirtualizingStackPanel.IsVirtualizing="True" VirtualizingStackPanel.VirtualizationMode="Standard">
        <ListBox.Resources>
            <!--SelectedItem with focus-->
            <SolidColorBrush x:Key="{x:Static SystemColors.HighlightBrushKey}" Color="{DynamicResource ItemSelectedBackgroundColor}"/>
            <!--SelectedItem without focus-->
            <SolidColorBrush x:Key="{x:Static SystemColors.ControlBrushKey}" Color="{DynamicResource ItemSelectedBackgroundColor}"/>
        </ListBox.Resources>
        <ListBox.ItemTemplate>
            <DataTemplate>
                <!-- a result item height is 50 including margin -->
                <Grid HorizontalAlignment="Stretch" Height="40" VerticalAlignment="Stretch" Margin="5" Cursor="Hand">
                    <Grid.Resources>
                        <converters:ImagePathConverter x:Key="ImageConverter" />
                    </Grid.Resources>
                    <Grid.ColumnDefinitions>
                        <ColumnDefinition Width="32"></ColumnDefinition>
                        <ColumnDefinition/>
                        <ColumnDefinition x:Name="contextMenuDefinition" Width="0"/>
                    </Grid.ColumnDefinitions>
                    <Image x:Name="imgIco" Width="32" Height="32" HorizontalAlignment="Left" Source="{Binding FullIcoPath,Converter={StaticResource ImageConverter},IsAsync=True}" >
                    </Image>
                    <Grid Margin="5 0 5 0" Grid.Column="1" HorizontalAlignment="Stretch">
                        <Grid.RowDefinitions>
                            <RowDefinition></RowDefinition>
                            <RowDefinition Height="Auto" x:Name="SubTitleRowDefinition"></RowDefinition>
                        </Grid.RowDefinitions>
                        <TextBlock Style="{DynamicResource ItemTitleStyle}" DockPanel.Dock="Left" VerticalAlignment="Center" ToolTip="{Binding Title}" x:Name="tbTitle" Text="{Binding Title}"></TextBlock>
                        <TextBlock Style="{DynamicResource ItemSubTitleStyle}" ToolTip="{Binding SubTitle}" Visibility="{Binding SubTitle, Converter={converters:StringNullOrEmptyToVisibilityConverter}}" Grid.Row="1" x:Name="tbSubTitle" Text="{Binding SubTitle}"></TextBlock>
                    </Grid>
                    <Image Grid.Column="2" VerticalAlignment="Center" Margin="5 0 0 0" Width="12" x:Name="contextMenu" Source="Images/menu.png" ToolTip="Shift + Enter to open context menu"></Image>
                </Grid>
                <DataTemplate.Triggers>
                    <DataTrigger Binding="{Binding RelativeSource={RelativeSource Mode=FindAncestor, AncestorType={x:Type ListBoxItem}}, Path=IsSelected}" Value="True">
                        <Setter TargetName="tbTitle" Property="Style" Value="{DynamicResource ItemTitleSelectedStyle}"/>
                        <Setter TargetName="tbSubTitle" Property="Style" Value="{DynamicResource ItemSubTitleSelectedStyle}"/>
                        <Setter TargetName="contextMenuDefinition" Property="Width" Value="{Binding ContextMenu, Converter={converters:ContextMenuEmptyToWidthConverter}}"/>
                    </DataTrigger>
                </DataTemplate.Triggers>
            </DataTemplate>
        </ListBox.ItemTemplate>
    </ListBox>
</UserControl>