diff --git a/Elwig/Windows/TestWindow.xaml b/Elwig/Windows/TestWindow.xaml
index f233770..e7f7a8a 100644
--- a/Elwig/Windows/TestWindow.xaml
+++ b/Elwig/Windows/TestWindow.xaml
@@ -7,10 +7,10 @@
         xmlns:xctk="http://schemas.xceed.com/wpf/xaml/toolkit"
         Title="Test Fenster - Elwig" MinHeight="400" MinWidth="325" Height="450" Width="800" ResizeMode="CanResize">
     <Grid>
-        <xctk:CheckComboBox x:Name="_combo" Width="200"
-                            HorizontalAlignment="Center"
-                            VerticalAlignment="Center"
+        <xctk:CheckComboBox x:Name="MyComboBox" HorizontalAlignment="Left" Margin="216,186,0,0" VerticalAlignment="Top" Delimiter=", "
                             SelectedValue="{Binding SelectedValue}"
-                            SelectedItemsOverride="{Binding SelectedItems}"/>
+                            SelectedItemsOverride="{Binding SelectedItems}"
+                            ItemSelectionChanged="OnItemSelectionChanged"/>
+        <TextBlock x:Name="MyText"  HorizontalAlignment="Left" Margin="318,246,0,0" TextWrapping="Wrap" Text="TextBlock" VerticalAlignment="Top"/>
     </Grid>
 </Window>
diff --git a/Elwig/Windows/TestWindow.xaml.cs b/Elwig/Windows/TestWindow.xaml.cs
index 4925815..4d75cf9 100644
--- a/Elwig/Windows/TestWindow.xaml.cs
+++ b/Elwig/Windows/TestWindow.xaml.cs
@@ -1,10 +1,18 @@
+using System.Collections.Generic;
 using System.Windows;
+using Xceed.Wpf.Toolkit.Primitives;
 
 namespace Elwig.Windows {
     public partial class TestWindow : Window {
         public TestWindow() {
             InitializeComponent();
-            _combo.ItemsSource = new string[] { "Klasse A", "Klasse B", "Klasse C", "Klasse D", "Klasse E", "Klasse F" };
+            MyComboBox.ItemsSource = new string[] { "Klasse A" , "Klasse B", "Klasse C", "Klasse D", "Klasse E", "Klasse F" };
+        }
+
+        private void OnItemSelectionChanged(object sender, ItemSelectionChangedEventArgs e) {
+            var selected = new List<string>();
+            foreach (var item in MyComboBox.SelectedItems) selected.Add((string)item);
+            MyText.Text = string.Join(", ", selected);
         }
     }
 }