diff --git a/demo/Semi.Avalonia.Demo/Pages/SplitViewDemo.axaml b/demo/Semi.Avalonia.Demo/Pages/SplitViewDemo.axaml
index 7de95ef..1b0be42 100644
--- a/demo/Semi.Avalonia.Demo/Pages/SplitViewDemo.axaml
+++ b/demo/Semi.Avalonia.Demo/Pages/SplitViewDemo.axaml
@@ -112,23 +112,12 @@
                             <ListBox
                                 Grid.Row="1"
                                 ItemsSource="{Binding Songs}" />
-                            <ToggleSwitch
+                            <ToggleButton
                                 Grid.Row="2"
-                                Theme="{DynamicResource ButtonToggleSwitch}"
+                                Theme="{DynamicResource SplitViewToggleButton}"
+                                HorizontalAlignment="Left"
                                 IsChecked="{Binding #SplitView.IsPaneOpen}">
-                                <ToggleSwitch.OnContent>
-                                    <PathIcon
-                                        Width="16"
-                                        Height="16"
-                                        Data="{StaticResource NavigationMenuExpandIconGlyph}" />
-                                </ToggleSwitch.OnContent>
-                                <ToggleSwitch.OffContent>
-                                    <PathIcon
-                                        Width="16"
-                                        Height="16"
-                                        Data="{StaticResource NavigationMenuExpandIconGlyph}" />
-                                </ToggleSwitch.OffContent>
-                            </ToggleSwitch>
+                            </ToggleButton>
                         </Grid>
                     </SplitView.Pane>
 
diff --git a/demo/Semi.Avalonia.Demo/Themes/TabMenu.axaml b/demo/Semi.Avalonia.Demo/Themes/TabMenu.axaml
index 12fc2df..43e3b8e 100644
--- a/demo/Semi.Avalonia.Demo/Themes/TabMenu.axaml
+++ b/demo/Semi.Avalonia.Demo/Themes/TabMenu.axaml
@@ -1,6 +1,6 @@
 <ResourceDictionary xmlns="https://github.com/avaloniaui" xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml">
     <ControlTheme x:Key="NavigationTab" TargetType="TabControl">
-        <Setter Property="TabControl.Template">
+        <Setter Property="Template">
             <ControlTemplate TargetType="TabControl">
                 <Border
                     HorizontalAlignment="{TemplateBinding HorizontalAlignment}"
@@ -10,7 +10,10 @@
                     BorderThickness="{TemplateBinding BorderThickness}"
                     CornerRadius="{TemplateBinding CornerRadius}">
                     <DockPanel>
-                        <ScrollViewer DockPanel.Dock="Left" VerticalScrollBarVisibility="Auto">
+                        <ScrollViewer
+                            DockPanel.Dock="Left"
+                            Name="PART_ScrollViewer"
+                            VerticalScrollBarVisibility="Auto">
                             <Panel DockPanel.Dock="{TemplateBinding TabStripPlacement}">
                                 <ItemsPresenter Name="PART_ItemsPresenter">
                                     <ItemsPresenter.ItemsPanel>
@@ -19,7 +22,8 @@
                                         </ItemsPanelTemplate>
                                     </ItemsPresenter.ItemsPanel>
                                 </ItemsPresenter>
-                                <Border Name="PART_BorderSeparator" Background="{DynamicResource TabItemLinePipePressedBorderBrush}" />
+                                <Border Name="PART_BorderSeparator"
+                                        Background="{DynamicResource TabItemLinePipePressedBorderBrush}" />
                             </Panel>
                         </ScrollViewer>
                         <ContentPresenter
@@ -38,5 +42,8 @@
             <Setter Property="VerticalAlignment" Value="Stretch" />
             <Setter Property="HorizontalAlignment" Value="Left" />
         </Style>
+        <Style Selector="^.Dismiss /template/ ScrollViewer#PART_ScrollViewer">
+            <Setter Property="IsVisible" Value="False" />
+        </Style>
     </ControlTheme>
-</ResourceDictionary>
+</ResourceDictionary>
\ No newline at end of file
diff --git a/demo/Semi.Avalonia.Demo/Themes/ToggleButton.axaml b/demo/Semi.Avalonia.Demo/Themes/ToggleButton.axaml
index da8124c..c9b1a0f 100644
--- a/demo/Semi.Avalonia.Demo/Themes/ToggleButton.axaml
+++ b/demo/Semi.Avalonia.Demo/Themes/ToggleButton.axaml
@@ -1,18 +1,26 @@
 <ResourceDictionary xmlns="https://github.com/avaloniaui" xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml">
     <ControlTheme x:Key="SplitViewToggleButton" TargetType="ToggleButton">
-        <Setter Property="ToggleButton.Template">
+        <Setter Property="Width" Value="32" />
+        <Setter Property="Height" Value="32" />
+        <Setter Property="Padding" Value="8" />
+        <Setter Property="Foreground" Value="{DynamicResource ButtonDefaultTertiaryForeground}" />
+        <Setter Property="Background" Value="Transparent" />
+        <Setter Property="Cursor" Value="Hand" />
+        <Setter Property="CornerRadius" Value="3" />
+        <Setter Property="Content"
+                Value="M5 2H19C20.6569 2 22 3.34315 22 5V19C22 20.6569 20.6569 22 19 22H5C3.34315 22 2 20.6569 2 19V5C2 3.34315 3.34315 2 5 2ZM6 4C5.44772 4 5 4.44772 5 5V19C5 19.5523 5.44772 20 6 20H9C9.55229 20 10 19.5523 10 19V5C10 4.44772 9.55229 4 9 4H6Z" />
+        <Setter Property="Template">
             <ControlTemplate TargetType="ToggleButton">
                 <Border
                     Name="Background"
-                    Padding="8"
+                    Padding="{TemplateBinding Padding}"
                     Background="{TemplateBinding Background}"
-                    CornerRadius="3">
+                    CornerRadius="{TemplateBinding CornerRadius}">
                     <PathIcon
                         Name="Icon"
-                        Width="16"
-                        Height="16"
-                        Data="M5 2H19C20.6569 2 22 3.34315 22 5V19C22 20.6569 20.6569 22 19 22H5C3.34315 22 2 20.6569 2 19V5C2 3.34315 3.34315 2 5 2ZM6 4C5.44772 4 5 4.44772 5 5V19C5 19.5523 5.44772 20 6 20H9C9.55229 20 10 19.5523 10 19V5C10 4.44772 9.55229 4 9 4H6Z"
-                        Foreground="{DynamicResource ButtonDefaultTertiaryForeground}" />
+                        Theme="{DynamicResource InnerPathIcon}"
+                        Data="{TemplateBinding Content}"
+                        Foreground="{TemplateBinding Foreground}" />
                 </Border>
             </ControlTemplate>
         </Setter>
@@ -23,4 +31,4 @@
             <Setter Property="Background" Value="{DynamicResource ButtonDefaultPressedBackground}" />
         </Style>
     </ControlTheme>
-</ResourceDictionary>
+</ResourceDictionary>
\ No newline at end of file
diff --git a/demo/Semi.Avalonia.Demo/Views/MainView.axaml b/demo/Semi.Avalonia.Demo/Views/MainView.axaml
index 28ff0a8..b249ff0 100644
--- a/demo/Semi.Avalonia.Demo/Views/MainView.axaml
+++ b/demo/Semi.Avalonia.Demo/Views/MainView.axaml
@@ -21,27 +21,29 @@
     </UserControl.Resources>
     <Grid RowDefinitions="Auto, *">
         <Border
+            Grid.Row="0"
             Margin="8"
             Padding="12,4"
             Theme="{DynamicResource CardBorder}">
-            <Grid VerticalAlignment="Center" ColumnDefinitions="*, Auto">
-                <StackPanel Grid.Column="0" Orientation="Horizontal">
-                    <TextBlock
+            <Panel>
+                <StackPanel Orientation="Horizontal" Spacing="8">
+                    <ToggleButton
+                        Name="ExpandButton"
+                        Theme="{DynamicResource SplitViewToggleButton}" />
+                    <SelectableTextBlock
                         VerticalAlignment="Center"
                         Classes="H6"
                         Text="Semi Avalonia"
-                        Theme="{DynamicResource TitleTextBlock}" />
-                    <TextBlock
-                        Margin="8,0"
+                        Theme="{DynamicResource TitleSelectableTextBlock}" />
+                    <SelectableTextBlock
                         VerticalAlignment="Center"
                         Text="/" />
-                    <TextBlock
-                        Margin="8,0"
+                    <SelectableTextBlock
                         VerticalAlignment="Center"
                         Classes="Secondary"
                         Text="{ReflectionBinding #tab.SelectedItem.Header}" />
                 </StackPanel>
-                <StackPanel Grid.Column="1" Orientation="Horizontal">
+                <StackPanel Orientation="Horizontal" HorizontalAlignment="Right">
                     <Button
                         Click="OpenDocumentation"
                         Theme="{DynamicResource BorderlessButton}"
@@ -102,7 +104,7 @@
                         </Button.Styles>
                     </Button>
                 </StackPanel>
-            </Grid>
+            </Panel>
         </Border>
         <TabControl
             Name="tab"
@@ -111,6 +113,7 @@
             Padding="20,0,0,0"
             HorizontalAlignment="Stretch"
             TabStripPlacement="Left"
+            Classes.Dismiss="{Binding #ExpandButton.IsChecked}"
             Theme="{DynamicResource NavigationTab}">
             <TabItem Header="Overview">
                 <pages:Overview />