.NET Shell Extensions - Shell Preview Handlers

<UserControl x:Class="ServerInspector.Servers.ServersView"
             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:local="clr-namespace:ServerInspector.Servers"
             xmlns:apexMVVM="clr-namespace:Apex.MVVM;assembly=Apex"
             xmlns:apexCommands="clr-namespace:Apex.Commands;assembly=Apex"
             xmlns:apexControls="clr-namespace:Apex.Controls;assembly=Apex"
             xmlns:apexConverters="clr-namespace:Apex.Converters;assembly=Apex"
             mc:Ignorable="d" 
             d:DesignHeight="300" d:DesignWidth="300">
    
    <UserControl.DataContext>
        <local:ServersViewModel x:Name="viewModel" />
    </UserControl.DataContext>
            
    <Grid>
        <DockPanel>
            
            <ToolBarPanel DockPanel.Dock="Top">
                <ToolBar>
                    <Label Content="Search" />
                    <TextBox Text="{Binding SearchText, UpdateSourceTrigger=PropertyChanged}" Width="200" />
                    <Label Content="Show:" />
                    <CheckBox Content="Native" IsChecked="{Binding ShowNativeInProc32, Mode=TwoWay}" />
                    <CheckBox Content="Managed" IsChecked="{Binding ShowManagedInProc32, Mode=TwoWay}" />
                    <CheckBox Content="Partially Registered" IsChecked="{Binding ShowPartiallyRegistered, Mode=TwoWay}" />
                </ToolBar> 
            </ToolBarPanel>
            
        <ListView ItemsSource="{Binding Servers}">
            <ListView.View>
                <GridView>
                    <GridViewColumn Header="Type" DisplayMemberBinding="{Binding Model.ServerRegistationType}" />
                    <GridViewColumn Header="CLSID" DisplayMemberBinding="{Binding Model.ServerCLSID}" />
                    <GridViewColumn Header="Path" DisplayMemberBinding="{Binding Model.ServerPath}" />
                    <GridViewColumn Header="Threading Model" DisplayMemberBinding="{Binding Model.ThreadingModel}" />
                    <GridViewColumn Header="AssemblyVersion" DisplayMemberBinding="{Binding Model.AssemblyVersion}" />
                    <GridViewColumn Header="Assembly" DisplayMemberBinding="{Binding Model.Assembly}" />
                    <GridViewColumn Header="Class" DisplayMemberBinding="{Binding Model.Class}" />
                    <GridViewColumn Header="RuntimeVersion" DisplayMemberBinding="{Binding Model.RuntimeVersion}" />
                </GridView>
            </ListView.View>
            </ListView>

        </DockPanel>
    </Grid>
</UserControl>