diff --git a/HandyControlDemo/UserControl/Main/LeftMainContent.xaml b/HandyControlDemo/UserControl/Main/LeftMainContent.xaml
index c7abc8a1..6c6d7552 100644
--- a/HandyControlDemo/UserControl/Main/LeftMainContent.xaml
+++ b/HandyControlDemo/UserControl/Main/LeftMainContent.xaml
@@ -15,7 +15,7 @@
             </i:EventTrigger>
         </i:Interaction.Triggers>
         <TabItem Background="Transparent" Header="{x:Static langs:Lang.Styles}">
-            <ListBox BorderThickness="0" SelectionMode="Single" Style="{StaticResource ListBoxTransparent}">
+            <ListBox Name="listStyle" BorderThickness="0" SelectionMode="Single" Style="{StaticResource ListBoxTransparent}">
                 <ListBoxItem Tag="{x:Static data:MessageToken.BrushDemoCtl}" Content="{x:Static langs:Lang.Brush}">
                     <controls:EdgeElement.LeftContent>
                         <Image Source="../../Resources/Img/LeftMainContent/Brush_16x.png"/>
@@ -144,7 +144,7 @@
             </ListBox>
         </TabItem>
         <TabItem Background="Transparent" Header="{x:Static langs:Lang.Controls}">
-            <ListBox BorderThickness="0" SelectionMode="Single"  Style="{StaticResource ListBoxTransparent}">
+            <ListBox Name="listControl" BorderThickness="0" SelectionMode="Single"  Style="{StaticResource ListBoxTransparent}">
                 <ListBoxItem Tag="{x:Static data:MessageToken.NumericUpDownDemoCtl}" Content="{x:Static langs:Lang.NumericUpDown}">
                     <controls:EdgeElement.LeftContent>
                         <Image Source="../../Resources/Img/LeftMainContent/NumericListBox_16x.png"/>
diff --git a/HandyControlDemo/UserControl/Main/LeftMainContent.xaml.cs b/HandyControlDemo/UserControl/Main/LeftMainContent.xaml.cs
index e7073b17..2268f3d9 100644
--- a/HandyControlDemo/UserControl/Main/LeftMainContent.xaml.cs
+++ b/HandyControlDemo/UserControl/Main/LeftMainContent.xaml.cs
@@ -1,4 +1,5 @@
-using System.Windows.Controls;
+using System.ComponentModel;
+using System.Windows.Controls;
 
 // ReSharper disable once CheckNamespace
 namespace HandyControlDemo.UserControl
@@ -11,6 +12,8 @@ namespace HandyControlDemo.UserControl
         public LeftMainContent()
         {
             InitializeComponent();
+            listStyle.Items.SortDescriptions.Add(new SortDescription("Content", ListSortDirection.Ascending));
+            listControl.Items.SortDescriptions.Add(new SortDescription("Content", ListSortDirection.Ascending));
         }
 
         private void TabControl_OnSelectionChanged(object sender, SelectionChangedEventArgs e)