MainWindow.xaml

<Controls:MetroWindow x:Class="SnippetManager.MainWindow"
    xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
    xmlns:Controls="clr-namespace:MahApps.Metro.Controls;assembly=MahApps.Metro"
    xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
    Title="BrainDump" Height="472.6" MinWidth="13" MaxWidth="177" Width="177" TextOptions.TextFormattingMode="Display"
    Icon="Mattahan-Buuf-Clipboard-Manager.ico" ShowIconOnTitleBar="False" ShowCloseButton="False" ShowMinButton="true" ShowMaxRestoreButton="false"
    xmlns:local="using:SnippetManager"
    DataContext="{Binding Source={StaticResource Locator}, Path=MainViewModel}"
    Name="WindowMainWindow" Topmost="{Binding IsTopmost, Mode=TwoWay}">

    <Grid>
        <Grid.RowDefinitions>
            <RowDefinition Height="293*"/>
            <RowDefinition Height="33"/>
        </Grid.RowDefinitions>
        <Grid Grid.Row="0">
            <ListBox x:Name="LstSnippets" HorizontalContentAlignment="Stretch" SelectionMode="Single"
                  FontSize="12" ItemsSource="{Binding SnippetList, Mode=OneWay}" 
                     MouseDoubleClick="lstSnippets_MouseDoubleClick" PreviewKeyDown="LstSnippets_PreviewKeyDown"
                     SelectedItem="{Binding SelectedSnippet, Mode=TwoWay}"
                     ContextMenu="{StaticResource ContextMenuSnippetsList}">

                <ListBox.ItemTemplate>
                    <DataTemplate>
                        <Grid HorizontalAlignment="Stretch">
                            <Grid.ColumnDefinitions>
                                <ColumnDefinition Width="15" />
                                <ColumnDefinition Width="*" />
                            </Grid.ColumnDefinitions>

                            <Grid.ToolTip>
                                <avalonEdit:TextEditor xmlns:avalonEdit="http://icsharpcode.net/sharpdevelop/avalonedit" Name="FctbPreviewEditor" FontFamily="Consolas" SyntaxHighlighting="C#" FontSize="10pt" Document="{Binding Document}" />
                            </Grid.ToolTip>

                            <TextBlock Text="{Binding Id}" Grid.Column="0" />
                            <TextBlock Text="{Binding Label}" Grid.Column="1" />
                        </Grid>
                    </DataTemplate>
                </ListBox.ItemTemplate>
            </ListBox>
        </Grid>
        <Grid Grid.Row="1" Name="ButtonBar">
            <Grid.ColumnDefinitions>
                <ColumnDefinition/>
                <ColumnDefinition/>
            </Grid.ColumnDefinitions>
            <Button x:Name="Menu" Content="Menu" Command="{Binding OpenMenu}" Grid.Column="0"/>
            <Button Content="Present" Click="PresentButton_Click" Grid.Column="1" />
        </Grid>
    </Grid>
</Controls:MetroWindow>