From c48d96e40f1b98479eb08913274a13c604a70c23 Mon Sep 17 00:00:00 2001
From: Zhang Dian <54255897+zdpcdt@users.noreply.github.com>
Date: Wed, 1 Apr 2026 23:01:45 +0800
Subject: [PATCH] Sync Avalonia 12.0.0-rc2 changes (#786)

* chore: AppBar -> CommanrBar.

* feat: Add keyboard navigation for overflow CommandBar popup.

* chore: Style -> Theme in PipsPager.

* chore: add Header/Footer templates to DrawerPage.

* feaa: hide caption buttons when the platform does not support the action.

* feat: Touch Improvements to TextBox.

* chore: remove Opacity from PART_Placeholder.

* feat: enable access key recognition for GroupBox.

* feat: limit label text to a single line in CommandBar.
---
 .../Pages/CommandBarDemo.axaml                |  34 ++---
 src/Semi.Avalonia/Controls/CommandBar.axaml   | 120 +++++++++---------
 src/Semi.Avalonia/Controls/DrawerPage.axaml   |   6 +-
 .../Controls/HeaderedContentControl.axaml     |   8 ++
 .../Controls/MenuFlyoutPresenter.axaml        |  13 ++
 src/Semi.Avalonia/Controls/PipsPager.axaml    |   8 +-
 src/Semi.Avalonia/Controls/TextBox.axaml      |  35 ++++-
 .../Controls/WindowDrawnDecorations.axaml     |  14 ++
 .../Themes/Dark/CommandBar.axaml              |  28 ++--
 .../Themes/HighContrast/CommandBar.axaml      |  28 ++--
 .../Themes/Light/CommandBar.axaml             |  28 ++--
 .../Themes/Shared/CommandBar.axaml            |  32 ++---
 src/Semi.Avalonia/Themes/Shared/Flyout.axaml  |   1 +
 13 files changed, 213 insertions(+), 142 deletions(-)

diff --git a/demo/Semi.Avalonia.Demo/Pages/CommandBarDemo.axaml b/demo/Semi.Avalonia.Demo/Pages/CommandBarDemo.axaml
index 831543a..bf9359e 100644
--- a/demo/Semi.Avalonia.Demo/Pages/CommandBarDemo.axaml
+++ b/demo/Semi.Avalonia.Demo/Pages/CommandBarDemo.axaml
@@ -58,18 +58,18 @@
                     IsOpen="{Binding #isop.IsChecked}"
                     IsSticky="{Binding #isst.IsChecked}"
                     Width="{Binding #ws.Value}">
-                    <AppBarButton Label="New" Icon="{DynamicResource SemiIconPlus}" />
-                    <AppBarButton Label="Save" Icon="{DynamicResource SemiIconSave}" />
-                    <AppBarSeparator />
-                    <AppBarToggleButton Label="Bold" Icon="{DynamicResource SemiIconBold}" />
-                    <AppBarToggleButton Label="Italic" Icon="{DynamicResource SemiIconItalic}" />
-                    <AppBarToggleButton IsChecked="True" IsEnabled="False" Label="Underline" Icon="{DynamicResource SemiIconUnderline}" />
-                    <AppBarSeparator />
-                    <AppBarButton Label="Share" Icon="{DynamicResource SemiIconShare}" />
-                    <AppBarButton Label="Export" Icon="{DynamicResource SemiIconExport}" />
-                    <AppBarButton Label="Print" Icon="{DynamicResource SemiIconPrint}" />
-                    <AppBarSeparator />
-                    <AppBarButton Label="Delete" Icon="{DynamicResource SemiIconDelete}" />
+                    <CommandBarButton Label="New" Icon="{DynamicResource SemiIconPlus}" />
+                    <CommandBarButton Label="Save" Icon="{DynamicResource SemiIconSave}" />
+                    <CommandBarSeparator />
+                    <CommandBarToggleButton Label="Bold" Icon="{DynamicResource SemiIconBold}" />
+                    <CommandBarToggleButton Label="Italic" Icon="{DynamicResource SemiIconItalic}" />
+                    <CommandBarToggleButton IsChecked="True" IsEnabled="False" Label="Underline" Icon="{DynamicResource SemiIconUnderline}" />
+                    <CommandBarSeparator />
+                    <CommandBarButton Label="Share" Icon="{DynamicResource SemiIconShare}" />
+                    <CommandBarButton Label="Export" Icon="{DynamicResource SemiIconExport}" />
+                    <CommandBarButton Label="Print" Icon="{DynamicResource SemiIconPrint}" />
+                    <CommandBarSeparator />
+                    <CommandBarButton Label="Delete" Icon="{DynamicResource SemiIconDelete}" />
                 </CommandBar>
             </GroupBox>
 
@@ -79,12 +79,12 @@
                     <TextBlock Text="CommandBar — With Secondary Commands (overflow)" />
                 </GroupBox.Header>
                 <CommandBar>
-                    <AppBarButton Label="New" Icon="{DynamicResource SemiIconPlus}" />
-                    <AppBarButton Label="Save" Icon="{DynamicResource SemiIconSave}" />
-                    <AppBarButton Label="Share" Icon="{DynamicResource SemiIconShare}" />
+                    <CommandBarButton Label="New" Icon="{DynamicResource SemiIconPlus}" />
+                    <CommandBarButton Label="Save" Icon="{DynamicResource SemiIconSave}" />
+                    <CommandBarButton Label="Share" Icon="{DynamicResource SemiIconShare}" />
                     <CommandBar.SecondaryCommands>
-                        <AppBarButton Label="Export" Icon="{DynamicResource SemiIconExport}" />
-                        <AppBarButton Label="Delete" Icon="{DynamicResource SemiIconDelete}" />
+                        <CommandBarButton Label="Export" Icon="{DynamicResource SemiIconExport}" />
+                        <CommandBarButton Label="Delete" Icon="{DynamicResource SemiIconDelete}" />
                     </CommandBar.SecondaryCommands>
                 </CommandBar>
             </GroupBox>
diff --git a/src/Semi.Avalonia/Controls/CommandBar.axaml b/src/Semi.Avalonia/Controls/CommandBar.axaml
index e4c6950..47649c5 100644
--- a/src/Semi.Avalonia/Controls/CommandBar.axaml
+++ b/src/Semi.Avalonia/Controls/CommandBar.axaml
@@ -28,24 +28,24 @@
                     DefaultLabelPosition="{Binding #lc.SelectedValue}"
                     IsDynamicOverflowEnabled="{Binding #idfe.IsChecked}"
                     Width="{Binding #ws.Value}">
-                    <AppBarButton Label="New" Icon="{DynamicResource SemiIconPlus}" />
-                    <AppBarButton Label="Save" Icon="{DynamicResource SemiIconSave}" />
-                    <AppBarSeparator />
-                    <AppBarToggleButton Label="Bold" Icon="{DynamicResource SemiIconBold}" />
-                    <AppBarToggleButton Label="Italic" Icon="{DynamicResource SemiIconItalic}" />
-                    <AppBarToggleButton IsEnabled="False" IsChecked="True" Label="Underline" Icon="{DynamicResource SemiIconUnderline}" />
-                    <AppBarSeparator />
-                    <AppBarButton Label="Share" Icon="{DynamicResource SemiIconShare}" />
-                    <AppBarButton Label="Export" Icon="{DynamicResource SemiIconExport}" />
-                    <AppBarButton Label="Print" Icon="{DynamicResource SemiIconPrint}" />
-                    <AppBarSeparator />
-                    <AppBarButton Label="Delete" Icon="{DynamicResource SemiIconDelete}" />
+                    <CommandBarButton Label="New" Icon="{DynamicResource SemiIconPlus}" />
+                    <CommandBarButton Label="Save" Icon="{DynamicResource SemiIconSave}" />
+                    <CommandBarSeparator />
+                    <CommandBarToggleButton Label="Bold" Icon="{DynamicResource SemiIconBold}" />
+                    <CommandBarToggleButton Label="Italic" Icon="{DynamicResource SemiIconItalic}" />
+                    <CommandBarToggleButton IsEnabled="False" IsChecked="True" Label="Underline" Icon="{DynamicResource SemiIconUnderline}" />
+                    <CommandBarSeparator />
+                    <CommandBarButton Label="Share" Icon="{DynamicResource SemiIconShare}" />
+                    <CommandBarButton Label="Export" Icon="{DynamicResource SemiIconExport}" />
+                    <CommandBarButton Label="Print" Icon="{DynamicResource SemiIconPrint}" />
+                    <CommandBarSeparator />
+                    <CommandBarButton Label="Delete" Icon="{DynamicResource SemiIconDelete}" />
                 </CommandBar>
             </StackPanel>
         </GroupBox>
     </Design.PreviewWith>
 
-    <ControlTheme x:Key="AppBarButtonBaseTheme" TargetType="Button">
+    <ControlTheme x:Key="CommandBarButtonBaseTheme" TargetType="Button">
         <Setter Property="Template">
             <ControlTemplate TargetType="Button">
                 <Border
@@ -57,7 +57,7 @@
                     Padding="{TemplateBinding Padding}">
                     <StackPanel
                         Name="PART_LayoutRoot"
-                        Spacing="{DynamicResource AppBarButtonPanelSpacing}"
+                        Spacing="{DynamicResource CommandBarButtonPanelSpacing}"
                         HorizontalAlignment="{TemplateBinding HorizontalContentAlignment}"
                         VerticalAlignment="{TemplateBinding VerticalContentAlignment}">
                         <ContentPresenter
@@ -73,50 +73,51 @@
                         </ContentPresenter>
                         <TextBlock
                             Name="PART_Label"
+                            MaxLines="1"
                             Foreground="{TemplateBinding Foreground}"
-                            FontSize="{DynamicResource AppBarButtonLabelFontSize}"
+                            FontSize="{DynamicResource CommandBarButtonLabelFontSize}"
                             TextTrimming="CharacterEllipsis" />
                     </StackPanel>
                 </Border>
             </ControlTemplate>
         </Setter>
 
-        <Setter Property="Background" Value="{DynamicResource AppBarButtonBackground}" />
-        <Setter Property="Foreground" Value="{DynamicResource AppBarButtonForeground}" />
+        <Setter Property="Background" Value="{DynamicResource CommandBarButtonBackground}" />
+        <Setter Property="Foreground" Value="{DynamicResource CommandBarButtonForeground}" />
         <Setter Property="BorderBrush" Value="Transparent" />
         <Setter Property="BorderThickness" Value="0" />
-        <Setter Property="Padding" Value="{DynamicResource AppBarButtonPadding}" />
-        <Setter Property="Width" Value="{DynamicResource AppBarButtonWidth}" />
-        <Setter Property="MinHeight" Value="{DynamicResource AppBarButtonMinHeight}" />
+        <Setter Property="Padding" Value="{DynamicResource CommandBarButtonPadding}" />
+        <Setter Property="Width" Value="{DynamicResource CommandBarButtonWidth}" />
+        <Setter Property="MinHeight" Value="{DynamicResource CommandBarButtonMinHeight}" />
 
-        <Setter Property="CornerRadius" Value="{DynamicResource AppBarButtonCornerRadius}" />
+        <Setter Property="CornerRadius" Value="{DynamicResource CommandBarButtonCornerRadius}" />
         <Setter Property="HorizontalContentAlignment" Value="Center" />
         <Setter Property="VerticalContentAlignment" Value="Center" />
         <Setter Property="Cursor" Value="Hand" />
 
         <Style Selector="^:pointerover /template/ Border#PART_Border">
-            <Setter Property="Background" Value="{DynamicResource AppBarButtonPointeroverBackground}" />
+            <Setter Property="Background" Value="{DynamicResource CommandBarButtonPointeroverBackground}" />
         </Style>
 
         <Style Selector="^:pressed /template/ Border#PART_Border">
-            <Setter Property="Background" Value="{DynamicResource AppBarButtonPressedBackground}" />
+            <Setter Property="Background" Value="{DynamicResource CommandBarButtonPressedBackground}" />
         </Style>
 
         <Style Selector="^:disabled">
             <Style Selector="^ /template/ ContentPresenter#PART_IconPresenter">
-                <Setter Property="Foreground" Value="{DynamicResource AppBarButtonDisabledForeground}" />
+                <Setter Property="Foreground" Value="{DynamicResource CommandBarButtonDisabledForeground}" />
             </Style>
             <Style Selector="^ /template/ TextBlock#PART_Label">
-                <Setter Property="Foreground" Value="{DynamicResource AppBarButtonDisabledForeground}" />
+                <Setter Property="Foreground" Value="{DynamicResource CommandBarButtonDisabledForeground}" />
             </Style>
         </Style>
     </ControlTheme>
 
-    <!--  AppBarButton  -->
+    <!--  CommandBarButton  -->
     <ControlTheme
-        x:Key="{x:Type AppBarButton}"
-        BasedOn="{StaticResource AppBarButtonBaseTheme}"
-        TargetType="AppBarButton">
+        x:Key="{x:Type CommandBarButton}"
+        BasedOn="{StaticResource CommandBarButtonBaseTheme}"
+        TargetType="CommandBarButton">
 
         <Style Selector="^ /template/ TextBlock#PART_Label">
             <Setter Property="Text" Value="{TemplateBinding Label}" />
@@ -127,7 +128,7 @@
 
         <!--  IsCompact: hide label, use compact width  -->
         <Style Selector="^[IsCompact=True]">
-            <Setter Property="Width" Value="{DynamicResource AppBarButtonCompactWidth}" />
+            <Setter Property="Width" Value="{DynamicResource CommandBarButtonCompactWidth}" />
             <Style Selector="^ /template/ TextBlock#PART_Label">
                 <Setter Property="IsVisible" Value="False" />
             </Style>
@@ -135,7 +136,7 @@
 
         <!--  LabelPosition=Collapsed: hide label, use compact width  -->
         <Style Selector="^[LabelPosition=Collapsed]">
-            <Setter Property="Width" Value="{DynamicResource AppBarButtonCompactWidth}" />
+            <Setter Property="Width" Value="{DynamicResource CommandBarButtonCompactWidth}" />
             <Style Selector="^ /template/ TextBlock#PART_Label">
                 <Setter Property="IsVisible" Value="False" />
             </Style>
@@ -144,7 +145,7 @@
         <!--  LabelPosition=Right: horizontal layout, auto-width  -->
         <Style Selector="^[LabelPosition=Right]">
             <Setter Property="Width" Value="{x:Static x:Double.NaN}" />
-            <Setter Property="MinWidth" Value="{DynamicResource AppBarButtonCompactWidth}" />
+            <Setter Property="MinWidth" Value="{DynamicResource CommandBarButtonCompactWidth}" />
             <Style Selector="^ /template/ StackPanel#PART_LayoutRoot">
                 <Setter Property="Orientation" Value="Horizontal" />
             </Style>
@@ -160,8 +161,8 @@
         <Style Selector="^[IsInOverflow=True]">
             <Setter Property="HorizontalContentAlignment" Value="Left" />
             <Setter Property="Width" Value="{x:Static x:Double.NaN}" />
-            <Setter Property="MinHeight" Value="{DynamicResource AppBarButtonOverflowMinHeight}" />
-            <Setter Property="Padding" Value="{DynamicResource AppBarButtonOverflowPadding}" />
+            <Setter Property="MinHeight" Value="{DynamicResource CommandBarButtonOverflowMinHeight}" />
+            <Setter Property="Padding" Value="{DynamicResource CommandBarButtonOverflowPadding}" />
             <Style Selector="^ /template/ StackPanel#PART_LayoutRoot">
                 <Setter Property="Orientation" Value="Horizontal" />
             </Style>
@@ -174,11 +175,11 @@
         </Style>
     </ControlTheme>
 
-    <!--  AppBarToggleButton  -->
+    <!--  CommandBarToggleButton  -->
     <ControlTheme
-        x:Key="{x:Type AppBarToggleButton}"
-        BasedOn="{StaticResource AppBarButtonBaseTheme}"
-        TargetType="AppBarToggleButton">
+        x:Key="{x:Type CommandBarToggleButton}"
+        BasedOn="{StaticResource CommandBarButtonBaseTheme}"
+        TargetType="CommandBarToggleButton">
 
         <Style Selector="^ /template/ TextBlock#PART_Label">
             <Setter Property="Text" Value="{TemplateBinding Label}" />
@@ -189,25 +190,25 @@
 
         <Style Selector="^:checked">
             <Style Selector="^ /template/ Border#PART_Border">
-                <Setter Property="Background" Value="{DynamicResource AppBarToggleButtonCheckedBackground}" />
+                <Setter Property="Background" Value="{DynamicResource CommandBarToggleButtonCheckedBackground}" />
             </Style>
             <Style Selector="^ /template/ ContentPresenter#PART_IconPresenter">
-                <Setter Property="Foreground" Value="{DynamicResource AppBarToggleButtonCheckedForeground}" />
+                <Setter Property="Foreground" Value="{DynamicResource CommandBarToggleButtonCheckedForeground}" />
             </Style>
             <Style Selector="^:pointerover /template/ Border#PART_Border">
-                <Setter Property="Background" Value="{DynamicResource AppBarToggleButtonCheckedPointeroverBackground}" />
+                <Setter Property="Background" Value="{DynamicResource CommandBarToggleButtonCheckedPointeroverBackground}" />
             </Style>
             <Style Selector="^:pressed /template/ Border#PART_Border">
-                <Setter Property="Background" Value="{DynamicResource AppBarToggleButtonCheckedPressedBackground}" />
+                <Setter Property="Background" Value="{DynamicResource CommandBarToggleButtonCheckedPressedBackground}" />
             </Style>
             <Style Selector="^:disabled /template/ ContentPresenter#PART_IconPresenter">
-                <Setter Property="Foreground" Value="{DynamicResource AppBarToggleButtonCheckedDisabledForeground}" />
+                <Setter Property="Foreground" Value="{DynamicResource CommandBarToggleButtonCheckedDisabledForeground}" />
             </Style>
         </Style>
 
         <!--  IsCompact: hide label, use compact width  -->
         <Style Selector="^[IsCompact=True]">
-            <Setter Property="Width" Value="{DynamicResource AppBarButtonCompactWidth}" />
+            <Setter Property="Width" Value="{DynamicResource CommandBarButtonCompactWidth}" />
             <Style Selector="^ /template/ TextBlock#PART_Label">
                 <Setter Property="IsVisible" Value="False" />
             </Style>
@@ -215,7 +216,7 @@
 
         <!--  LabelPosition=Collapsed: hide label, use compact width  -->
         <Style Selector="^[LabelPosition=Collapsed]">
-            <Setter Property="Width" Value="{DynamicResource AppBarButtonCompactWidth}" />
+            <Setter Property="Width" Value="{DynamicResource CommandBarButtonCompactWidth}" />
             <Style Selector="^ /template/ TextBlock#PART_Label">
                 <Setter Property="IsVisible" Value="False" />
             </Style>
@@ -224,7 +225,7 @@
         <!--  LabelPosition=Right: horizontal layout, auto-width  -->
         <Style Selector="^[LabelPosition=Right]">
             <Setter Property="Width" Value="{x:Static x:Double.NaN}" />
-            <Setter Property="MinWidth" Value="{DynamicResource AppBarButtonCompactWidth}" />
+            <Setter Property="MinWidth" Value="{DynamicResource CommandBarButtonCompactWidth}" />
             <Style Selector="^ /template/ StackPanel#PART_LayoutRoot">
                 <Setter Property="Orientation" Value="Horizontal" />
             </Style>
@@ -240,8 +241,8 @@
         <Style Selector="^[IsInOverflow=True]">
             <Setter Property="HorizontalContentAlignment" Value="Left" />
             <Setter Property="Width" Value="{x:Static x:Double.NaN}" />
-            <Setter Property="MinHeight" Value="{DynamicResource AppBarButtonOverflowMinHeight}" />
-            <Setter Property="Padding" Value="{DynamicResource AppBarButtonOverflowPadding}" />
+            <Setter Property="MinHeight" Value="{DynamicResource CommandBarButtonOverflowMinHeight}" />
+            <Setter Property="Padding" Value="{DynamicResource CommandBarButtonOverflowPadding}" />
             <Style Selector="^ /template/ StackPanel#PART_LayoutRoot">
                 <Setter Property="Orientation" Value="Horizontal" />
             </Style>
@@ -254,14 +255,14 @@
         </Style>
     </ControlTheme>
 
-    <!--  AppBarSeparator  -->
-    <ControlTheme x:Key="{x:Type AppBarSeparator}" TargetType="AppBarSeparator">
-        <Setter Property="Background" Value="{DynamicResource AppBarSeparatorBackground}" />
-        <Setter Property="Width" Value="{DynamicResource AppBarSeparatorWidth}" />
-        <Setter Property="MinHeight" Value="{DynamicResource AppBarSeparatorMinHeight}" />
-        <Setter Property="Margin" Value="{DynamicResource AppBarSeparatorMargin}" />
+    <!--  CommandBarSeparator  -->
+    <ControlTheme x:Key="{x:Type CommandBarSeparator}" TargetType="CommandBarSeparator">
+        <Setter Property="Background" Value="{DynamicResource CommandBarSeparatorBackground}" />
+        <Setter Property="Width" Value="{DynamicResource CommandBarSeparatorWidth}" />
+        <Setter Property="MinHeight" Value="{DynamicResource CommandBarSeparatorMinHeight}" />
+        <Setter Property="Margin" Value="{DynamicResource CommandBarSeparatorMargin}" />
         <Setter Property="Template">
-            <ControlTemplate TargetType="AppBarSeparator">
+            <ControlTemplate TargetType="CommandBarSeparator">
                 <Border
                     Background="{TemplateBinding Background}"
                     Width="{TemplateBinding Width}"
@@ -273,9 +274,9 @@
         <Style Selector="^[IsInOverflow=True]">
             <Setter Property="HorizontalAlignment" Value="Stretch" />
             <Setter Property="Width" Value="{x:Static x:Double.NaN}" />
-            <Setter Property="Height" Value="{DynamicResource AppBarSeparatorOverflowHeight}" />
+            <Setter Property="Height" Value="{DynamicResource CommandBarSeparatorOverflowHeight}" />
             <Setter Property="MinHeight" Value="0" />
-            <Setter Property="Margin" Value="{DynamicResource AppBarSeparatorOverflowMargin}" />
+            <Setter Property="Margin" Value="{DynamicResource CommandBarSeparatorOverflowMargin}" />
         </Style>
     </ControlTheme>
 
@@ -299,9 +300,9 @@
                     MinHeight="{TemplateBinding MinHeight}"
                     Padding="{TemplateBinding Padding}">
                     <Panel>
-                        <DockPanel>
+                        <DockPanel KeyboardNavigation.TabNavigation="Cycle">
                             <!--  Overflow button (docked right)  -->
-                            <AppBarButton
+                            <CommandBarButton
                                 Name="PART_OverflowButton"
                                 DockPanel.Dock="Right"
                                 Icon="{DynamicResource CommandBarOverflowButtonGlyph}"
@@ -351,6 +352,7 @@
                                 CornerRadius="{DynamicResource CommandBarOverflowCornerRadius}">
 
                                 <ItemsControl
+                                    Name="PART_OverflowPresenter"
                                     ItemsSource="{Binding OverflowItems, RelativeSource={RelativeSource TemplatedParent}}">
                                     <ItemsControl.ItemsPanel>
                                         <ItemsPanelTemplate>
diff --git a/src/Semi.Avalonia/Controls/DrawerPage.axaml b/src/Semi.Avalonia/Controls/DrawerPage.axaml
index 83ab402..e56179b 100644
--- a/src/Semi.Avalonia/Controls/DrawerPage.axaml
+++ b/src/Semi.Avalonia/Controls/DrawerPage.axaml
@@ -71,14 +71,16 @@
                                         Name="PART_DrawerHeader"
                                         DockPanel.Dock="Top"
                                         Background="{TemplateBinding DrawerHeaderBackground}"
-                                        Content="{TemplateBinding DrawerHeader}" />
+                                        Content="{TemplateBinding DrawerHeader}"
+                                        ContentTemplate="{TemplateBinding DrawerHeaderTemplate}" />
 
                                     <!--  Drawer footer  -->
                                     <ContentPresenter
                                         Name="PART_DrawerFooter"
                                         DockPanel.Dock="Bottom"
                                         Background="{TemplateBinding DrawerFooterBackground}"
-                                        Content="{TemplateBinding DrawerFooter}" />
+                                        Content="{TemplateBinding DrawerFooter}"
+                                        ContentTemplate="{TemplateBinding DrawerFooterTemplate}" />
 
                                     <!--  Compact pane icon (compact mode)  -->
                                     <ContentPresenter
diff --git a/src/Semi.Avalonia/Controls/HeaderedContentControl.axaml b/src/Semi.Avalonia/Controls/HeaderedContentControl.axaml
index a401127..c793701 100644
--- a/src/Semi.Avalonia/Controls/HeaderedContentControl.axaml
+++ b/src/Semi.Avalonia/Controls/HeaderedContentControl.axaml
@@ -116,5 +116,13 @@
                 </Border>
             </ControlTemplate>
         </Setter>
+
+        <Style Selector="^ /template/ ContentPresenter#PART_HeaderPresenter">
+            <Setter Property="RecognizesAccessKey" Value="True" />
+        </Style>
+
+        <Style Selector="^ /template/ ContentPresenter#PART_ContentPresenter">
+            <Setter Property="RecognizesAccessKey" Value="True" />
+        </Style>
     </ControlTheme>
 </ResourceDictionary>
\ No newline at end of file
diff --git a/src/Semi.Avalonia/Controls/MenuFlyoutPresenter.axaml b/src/Semi.Avalonia/Controls/MenuFlyoutPresenter.axaml
index b5f8dfd..7dd0d42 100644
--- a/src/Semi.Avalonia/Controls/MenuFlyoutPresenter.axaml
+++ b/src/Semi.Avalonia/Controls/MenuFlyoutPresenter.axaml
@@ -54,4 +54,17 @@
             </ControlTemplate>
         </Setter>
     </ControlTheme>
+
+    <ControlTheme
+        x:Key="HorizontalMenuFlyoutPresenter"
+        TargetType="MenuFlyoutPresenter"
+        BasedOn="{StaticResource {x:Type MenuFlyoutPresenter}}">
+        <Setter Property="Padding" Value="0" />
+        <Setter Property="MinWidth" Value="{DynamicResource HorizontalMenuFlyoutThemeMinWidth}" />
+        <Setter Property="ItemsPanel">
+            <ItemsPanelTemplate>
+                <StackPanel Orientation="Horizontal" />
+            </ItemsPanelTemplate>
+        </Setter>
+    </ControlTheme>
 </ResourceDictionary>
\ No newline at end of file
diff --git a/src/Semi.Avalonia/Controls/PipsPager.axaml b/src/Semi.Avalonia/Controls/PipsPager.axaml
index 54d0d38..ab69767 100644
--- a/src/Semi.Avalonia/Controls/PipsPager.axaml
+++ b/src/Semi.Avalonia/Controls/PipsPager.axaml
@@ -54,8 +54,8 @@
 
     <ControlTheme x:Key="{x:Type PipsPager}" TargetType="PipsPager">
         <Setter Property="IsTabStop" Value="False" />
-        <Setter Property="PreviousButtonStyle" Value="{StaticResource PipsPagerButton}" />
-        <Setter Property="NextButtonStyle" Value="{StaticResource PipsPagerButton}" />
+        <Setter Property="PreviousButtonTheme" Value="{StaticResource PipsPagerButton}" />
+        <Setter Property="NextButtonTheme" Value="{StaticResource PipsPagerButton}" />
         <Setter Property="Template">
             <ControlTemplate>
                 <StackPanel
@@ -65,7 +65,7 @@
                     ClipToBounds="False">
                     <Button
                         Name="PART_PreviousButton"
-                        Theme="{TemplateBinding PreviousButtonStyle}"
+                        Theme="{TemplateBinding PreviousButtonTheme}"
                         IsVisible="{TemplateBinding IsPreviousButtonVisible}"
                         Foreground="{DynamicResource PipsPagerButtonForeground}"
                         Content="{StaticResource SemiIconSmallTriangleLeft}" />
@@ -89,7 +89,7 @@
 
                     <Button
                         Name="PART_NextButton"
-                        Theme="{TemplateBinding NextButtonStyle}"
+                        Theme="{TemplateBinding NextButtonTheme}"
                         Foreground="{DynamicResource PipsPagerButtonForeground}"
                         Content="{StaticResource SemiIconSmallTriangleRight}"
                         IsVisible="{TemplateBinding IsNextButtonVisible}" />
diff --git a/src/Semi.Avalonia/Controls/TextBox.axaml b/src/Semi.Avalonia/Controls/TextBox.axaml
index 8c12086..8999bac 100644
--- a/src/Semi.Avalonia/Controls/TextBox.axaml
+++ b/src/Semi.Avalonia/Controls/TextBox.axaml
@@ -22,6 +22,27 @@
             IsEnabled="{Binding $parent[TextBox].CanPaste}" />
     </MenuFlyout>
 
+    <MenuFlyout
+        x:Key="HorizontalTextBoxContextFlyout"
+        ShowMode="{OnFormFactor Desktop=Standard, Mobile=Transient}"
+        FlyoutPresenterTheme="{StaticResource HorizontalMenuFlyoutPresenter}"
+        ItemContainerTheme="{StaticResource TopLevelMenuItem}">
+        <MenuItem
+            Command="{Binding $parent[TextBox].Cut}"
+            Header="{DynamicResource STRING_MENU_CUT}"
+            IsEnabled="{Binding $parent[TextBox].CanCut}"
+            IsVisible="{Binding $parent[TextBox].CanCut}" />
+        <MenuItem
+            Command="{Binding $parent[TextBox].Copy}"
+            Header="{DynamicResource STRING_MENU_COPY}"
+            IsEnabled="{Binding $parent[TextBox].CanCopy}"
+            IsVisible="{Binding $parent[TextBox].CanCopy}" />
+        <MenuItem
+            Command="{Binding $parent[TextBox].Paste}"
+            Header="{DynamicResource STRING_MENU_PASTE}"
+            IsEnabled="{Binding $parent[TextBox].CanPaste}" />
+    </MenuFlyout>
+
     <ControlTheme x:Key="{x:Type TextBox}" TargetType="TextBox">
         <Setter Property="Foreground" Value="{DynamicResource TextBoxForeground}" />
         <Setter Property="PlaceholderForeground" Value="{DynamicResource TextBoxPlaceholderForeground}" />
@@ -133,6 +154,10 @@
             </ControlTemplate>
         </Setter>
 
+        <Style Selector="^:touch-mode">
+            <Setter Property="ContextFlyout" Value="{StaticResource HorizontalTextBoxContextFlyout}" />
+        </Style>
+
         <Style Selector="^:pointerover /template/ Border#PART_ContentPresenterBorder">
             <Setter Property="Background" Value="{DynamicResource TextBoxPointeroverBackground}" />
             <Setter Property="BorderBrush" Value="{DynamicResource TextBoxPointeroverBorderBrush}" />
@@ -304,7 +329,6 @@
                                         Name="PART_Placeholder"
                                         HorizontalAlignment="{TemplateBinding HorizontalContentAlignment}"
                                         VerticalAlignment="{TemplateBinding VerticalContentAlignment}"
-                                        Opacity="0.5"
                                         Foreground="{TemplateBinding PlaceholderForeground}"
                                         Text="{TemplateBinding PlaceholderText}"
                                         TextAlignment="{TemplateBinding TextAlignment}"
@@ -368,6 +392,10 @@
             </ControlTemplate>
         </Setter>
 
+        <Style Selector="^:touch-mode">
+            <Setter Property="ContextFlyout" Value="{StaticResource HorizontalTextBoxContextFlyout}" />
+        </Style>
+
         <Style Selector="^:pointerover /template/ Border#PART_ContentPresenterBorder">
             <Setter Property="Background" Value="{DynamicResource TextBoxPointeroverBackground}" />
             <Setter Property="BorderBrush" Value="{DynamicResource TextBoxPointeroverBorderBrush}" />
@@ -526,7 +554,6 @@
                                     Name="PART_Placeholder"
                                     HorizontalAlignment="{TemplateBinding HorizontalContentAlignment}"
                                     VerticalAlignment="{TemplateBinding VerticalContentAlignment}"
-                                    Opacity="0.5"
                                     Foreground="{TemplateBinding PlaceholderForeground}"
                                     Text="{TemplateBinding PlaceholderText}"
                                     TextAlignment="{TemplateBinding TextAlignment}"
@@ -573,6 +600,10 @@
             </ControlTemplate>
         </Setter>
 
+        <Style Selector="^:touch-mode">
+            <Setter Property="ContextFlyout" Value="{StaticResource HorizontalTextBoxContextFlyout}" />
+        </Style>
+
         <Style Selector="^:disabled">
             <Setter Property="Foreground" Value="{DynamicResource TextBoxDisabledForeground}" />
         </Style>
diff --git a/src/Semi.Avalonia/Controls/WindowDrawnDecorations.axaml b/src/Semi.Avalonia/Controls/WindowDrawnDecorations.axaml
index 637794f..b3d090f 100644
--- a/src/Semi.Avalonia/Controls/WindowDrawnDecorations.axaml
+++ b/src/Semi.Avalonia/Controls/WindowDrawnDecorations.axaml
@@ -187,6 +187,20 @@
             </Style>
         </Style>
 
+        <!-- Hide caption buttons when the platform does not support the action -->
+        <Style Selector="^:not(:has-minimize) /template/ Button#PART_MinimizeButton">
+            <Setter Property="IsVisible" Value="False"/>
+        </Style>
+        <Style Selector="^:not(:has-maximize) /template/ Button#PART_MaximizeButton">
+            <Setter Property="IsVisible" Value="False"/>
+        </Style>
+        <Style Selector="^:not(:has-fullscreen) /template/ Button#PART_FullScreenButton">
+            <Setter Property="IsVisible" Value="False"/>
+        </Style>
+        <Style Selector="^:not(:has-fullscreen) /template/ Button#PART_PopoverFullScreenButton">
+            <Setter Property="IsVisible" Value="False"/>
+        </Style>
+
         <!--  Fullscreen: hide overlay and titlebar (popover takes over)  -->
         <Style Selector="^:fullscreen">
             <Style Selector="^ /template/ Panel#PART_TitleTextPanel">
diff --git a/src/Semi.Avalonia/Themes/Dark/CommandBar.axaml b/src/Semi.Avalonia/Themes/Dark/CommandBar.axaml
index 240174c..3bff0eb 100644
--- a/src/Semi.Avalonia/Themes/Dark/CommandBar.axaml
+++ b/src/Semi.Avalonia/Themes/Dark/CommandBar.axaml
@@ -1,18 +1,18 @@
 <ResourceDictionary xmlns="https://github.com/avaloniaui" xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml">
-    <!--  AppBarButton / AppBarToggleButton  -->
-    <SolidColorBrush x:Key="AppBarButtonBackground" Color="Transparent" />
-    <StaticResource x:Key="AppBarButtonForeground" ResourceKey="SemiColorText0" />
-    <StaticResource x:Key="AppBarButtonPointeroverBackground" ResourceKey="SemiColorFill0" />
-    <StaticResource x:Key="AppBarButtonPressedBackground" ResourceKey="SemiColorFill1" />
-    <StaticResource x:Key="AppBarButtonDisabledForeground" ResourceKey="SemiColorDisabledText" />
-    <!--  AppBarToggleButton checked state  -->
-    <StaticResource x:Key="AppBarToggleButtonCheckedForeground" ResourceKey="SemiColorPrimary" />
-    <StaticResource x:Key="AppBarToggleButtonCheckedBackground" ResourceKey="SemiColorPrimaryLight" />
-    <StaticResource x:Key="AppBarToggleButtonCheckedPointeroverBackground" ResourceKey="SemiColorPrimaryLightPointerover" />
-    <StaticResource x:Key="AppBarToggleButtonCheckedPressedBackground" ResourceKey="SemiColorPrimaryLightActive" />
-    <StaticResource x:Key="AppBarToggleButtonCheckedDisabledForeground" ResourceKey="SemiColorPrimaryDisabled" />
-    <!--  AppBarSeparator  -->
-    <StaticResource x:Key="AppBarSeparatorBackground" ResourceKey="SemiColorBorder" />
+    <!--  CommandBarButton / CommandBarToggleButton  -->
+    <SolidColorBrush x:Key="CommandBarButtonBackground" Color="Transparent" />
+    <StaticResource x:Key="CommandBarButtonForeground" ResourceKey="SemiColorText0" />
+    <StaticResource x:Key="CommandBarButtonPointeroverBackground" ResourceKey="SemiColorFill0" />
+    <StaticResource x:Key="CommandBarButtonPressedBackground" ResourceKey="SemiColorFill1" />
+    <StaticResource x:Key="CommandBarButtonDisabledForeground" ResourceKey="SemiColorDisabledText" />
+    <!--  CommandBarToggleButton checked state  -->
+    <StaticResource x:Key="CommandBarToggleButtonCheckedForeground" ResourceKey="SemiColorPrimary" />
+    <StaticResource x:Key="CommandBarToggleButtonCheckedBackground" ResourceKey="SemiColorPrimaryLight" />
+    <StaticResource x:Key="CommandBarToggleButtonCheckedPointeroverBackground" ResourceKey="SemiColorPrimaryLightPointerover" />
+    <StaticResource x:Key="CommandBarToggleButtonCheckedPressedBackground" ResourceKey="SemiColorPrimaryLightActive" />
+    <StaticResource x:Key="CommandBarToggleButtonCheckedDisabledForeground" ResourceKey="SemiColorPrimaryDisabled" />
+    <!--  CommandBarSeparator  -->
+    <StaticResource x:Key="CommandBarSeparatorBackground" ResourceKey="SemiColorBorder" />
     <!--  CommandBar  -->
     <StaticResource x:Key="CommandBarBackground" ResourceKey="SemiColorBackground1" />
     <StaticResource x:Key="CommandBarForeground" ResourceKey="SemiColorText0" />
diff --git a/src/Semi.Avalonia/Themes/HighContrast/CommandBar.axaml b/src/Semi.Avalonia/Themes/HighContrast/CommandBar.axaml
index 5bf5d3b..0a5071f 100644
--- a/src/Semi.Avalonia/Themes/HighContrast/CommandBar.axaml
+++ b/src/Semi.Avalonia/Themes/HighContrast/CommandBar.axaml
@@ -1,18 +1,18 @@
 <ResourceDictionary xmlns="https://github.com/avaloniaui" xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml">
-    <!--  AppBarButton / AppBarToggleButton  -->
-    <SolidColorBrush x:Key="AppBarButtonBackground" Color="Transparent" />
-    <StaticResource x:Key="AppBarButtonForeground" ResourceKey="SemiColorWindowText" />
-    <StaticResource x:Key="AppBarButtonPointeroverBackground" ResourceKey="SemiColorHighlight" />
-    <StaticResource x:Key="AppBarButtonPressedBackground" ResourceKey="SemiColorHighlight" />
-    <StaticResource x:Key="AppBarButtonDisabledForeground" ResourceKey="SemiColorGrayText" />
-    <!--  AppBarToggleButton checked state  -->
-    <StaticResource x:Key="AppBarToggleButtonCheckedForeground" ResourceKey="SemiColorHighlightText" />
-    <StaticResource x:Key="AppBarToggleButtonCheckedBackground" ResourceKey="SemiColorHighlight" />
-    <StaticResource x:Key="AppBarToggleButtonCheckedPointeroverBackground" ResourceKey="SemiColorButtonText" />
-    <StaticResource x:Key="AppBarToggleButtonCheckedPressedBackground" ResourceKey="SemiColorButtonFace" />
-    <StaticResource x:Key="AppBarToggleButtonCheckedDisabledForeground" ResourceKey="SemiColorGrayText" />
-    <!--  AppBarSeparator  -->
-    <StaticResource x:Key="AppBarSeparatorBackground" ResourceKey="SemiColorWindowText" />
+    <!--  CommandBarButton / CommandBarToggleButton  -->
+    <SolidColorBrush x:Key="CommandBarButtonBackground" Color="Transparent" />
+    <StaticResource x:Key="CommandBarButtonForeground" ResourceKey="SemiColorWindowText" />
+    <StaticResource x:Key="CommandBarButtonPointeroverBackground" ResourceKey="SemiColorHighlight" />
+    <StaticResource x:Key="CommandBarButtonPressedBackground" ResourceKey="SemiColorHighlight" />
+    <StaticResource x:Key="CommandBarButtonDisabledForeground" ResourceKey="SemiColorGrayText" />
+    <!--  CommandBarToggleButton checked state  -->
+    <StaticResource x:Key="CommandBarToggleButtonCheckedForeground" ResourceKey="SemiColorHighlightText" />
+    <StaticResource x:Key="CommandBarToggleButtonCheckedBackground" ResourceKey="SemiColorHighlight" />
+    <StaticResource x:Key="CommandBarToggleButtonCheckedPointeroverBackground" ResourceKey="SemiColorButtonText" />
+    <StaticResource x:Key="CommandBarToggleButtonCheckedPressedBackground" ResourceKey="SemiColorButtonFace" />
+    <StaticResource x:Key="CommandBarToggleButtonCheckedDisabledForeground" ResourceKey="SemiColorGrayText" />
+    <!--  CommandBarSeparator  -->
+    <StaticResource x:Key="CommandBarSeparatorBackground" ResourceKey="SemiColorWindowText" />
     <!--  CommandBar  -->
     <StaticResource x:Key="CommandBarBackground" ResourceKey="SemiColorWindow" />
     <StaticResource x:Key="CommandBarForeground" ResourceKey="SemiColorWindowText" />
diff --git a/src/Semi.Avalonia/Themes/Light/CommandBar.axaml b/src/Semi.Avalonia/Themes/Light/CommandBar.axaml
index 240174c..3bff0eb 100644
--- a/src/Semi.Avalonia/Themes/Light/CommandBar.axaml
+++ b/src/Semi.Avalonia/Themes/Light/CommandBar.axaml
@@ -1,18 +1,18 @@
 <ResourceDictionary xmlns="https://github.com/avaloniaui" xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml">
-    <!--  AppBarButton / AppBarToggleButton  -->
-    <SolidColorBrush x:Key="AppBarButtonBackground" Color="Transparent" />
-    <StaticResource x:Key="AppBarButtonForeground" ResourceKey="SemiColorText0" />
-    <StaticResource x:Key="AppBarButtonPointeroverBackground" ResourceKey="SemiColorFill0" />
-    <StaticResource x:Key="AppBarButtonPressedBackground" ResourceKey="SemiColorFill1" />
-    <StaticResource x:Key="AppBarButtonDisabledForeground" ResourceKey="SemiColorDisabledText" />
-    <!--  AppBarToggleButton checked state  -->
-    <StaticResource x:Key="AppBarToggleButtonCheckedForeground" ResourceKey="SemiColorPrimary" />
-    <StaticResource x:Key="AppBarToggleButtonCheckedBackground" ResourceKey="SemiColorPrimaryLight" />
-    <StaticResource x:Key="AppBarToggleButtonCheckedPointeroverBackground" ResourceKey="SemiColorPrimaryLightPointerover" />
-    <StaticResource x:Key="AppBarToggleButtonCheckedPressedBackground" ResourceKey="SemiColorPrimaryLightActive" />
-    <StaticResource x:Key="AppBarToggleButtonCheckedDisabledForeground" ResourceKey="SemiColorPrimaryDisabled" />
-    <!--  AppBarSeparator  -->
-    <StaticResource x:Key="AppBarSeparatorBackground" ResourceKey="SemiColorBorder" />
+    <!--  CommandBarButton / CommandBarToggleButton  -->
+    <SolidColorBrush x:Key="CommandBarButtonBackground" Color="Transparent" />
+    <StaticResource x:Key="CommandBarButtonForeground" ResourceKey="SemiColorText0" />
+    <StaticResource x:Key="CommandBarButtonPointeroverBackground" ResourceKey="SemiColorFill0" />
+    <StaticResource x:Key="CommandBarButtonPressedBackground" ResourceKey="SemiColorFill1" />
+    <StaticResource x:Key="CommandBarButtonDisabledForeground" ResourceKey="SemiColorDisabledText" />
+    <!--  CommandBarToggleButton checked state  -->
+    <StaticResource x:Key="CommandBarToggleButtonCheckedForeground" ResourceKey="SemiColorPrimary" />
+    <StaticResource x:Key="CommandBarToggleButtonCheckedBackground" ResourceKey="SemiColorPrimaryLight" />
+    <StaticResource x:Key="CommandBarToggleButtonCheckedPointeroverBackground" ResourceKey="SemiColorPrimaryLightPointerover" />
+    <StaticResource x:Key="CommandBarToggleButtonCheckedPressedBackground" ResourceKey="SemiColorPrimaryLightActive" />
+    <StaticResource x:Key="CommandBarToggleButtonCheckedDisabledForeground" ResourceKey="SemiColorPrimaryDisabled" />
+    <!--  CommandBarSeparator  -->
+    <StaticResource x:Key="CommandBarSeparatorBackground" ResourceKey="SemiColorBorder" />
     <!--  CommandBar  -->
     <StaticResource x:Key="CommandBarBackground" ResourceKey="SemiColorBackground1" />
     <StaticResource x:Key="CommandBarForeground" ResourceKey="SemiColorText0" />
diff --git a/src/Semi.Avalonia/Themes/Shared/CommandBar.axaml b/src/Semi.Avalonia/Themes/Shared/CommandBar.axaml
index 81ef40d..292528c 100644
--- a/src/Semi.Avalonia/Themes/Shared/CommandBar.axaml
+++ b/src/Semi.Avalonia/Themes/Shared/CommandBar.axaml
@@ -1,20 +1,20 @@
 <ResourceDictionary xmlns="https://github.com/avaloniaui" xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml">
-    <!--  AppBarButton / AppBarToggleButton  -->
-    <x:Double x:Key="AppBarButtonWidth">64</x:Double>
-    <x:Double x:Key="AppBarButtonCompactWidth">40</x:Double>
-    <x:Double x:Key="AppBarButtonMinHeight">40</x:Double>
-    <Thickness x:Key="AppBarButtonPadding">8 4</Thickness>
-    <x:Double x:Key="AppBarButtonPanelSpacing">4</x:Double>
-    <StaticResource x:Key="AppBarButtonCornerRadius" ResourceKey="SemiBorderRadiusSmall" />
-    <StaticResource x:Key="AppBarButtonLabelFontSize" ResourceKey="SemiFontSizeSmall" />
-    <x:Double x:Key="AppBarButtonOverflowMinHeight">36</x:Double>
-    <Thickness x:Key="AppBarButtonOverflowPadding">12 6</Thickness>
-    <!--  AppBarSeparator  -->
-    <x:Double x:Key="AppBarSeparatorWidth">1</x:Double>
-    <x:Double x:Key="AppBarSeparatorMinHeight">24</x:Double>
-    <Thickness x:Key="AppBarSeparatorMargin">8 4</Thickness>
-    <x:Double x:Key="AppBarSeparatorOverflowHeight">1</x:Double>
-    <Thickness x:Key="AppBarSeparatorOverflowMargin">4 4</Thickness>
+    <!--  CommandBarButton / CommandBarToggleButton  -->
+    <x:Double x:Key="CommandBarButtonWidth">64</x:Double>
+    <x:Double x:Key="CommandBarButtonCompactWidth">40</x:Double>
+    <x:Double x:Key="CommandBarButtonMinHeight">40</x:Double>
+    <Thickness x:Key="CommandBarButtonPadding">8 4</Thickness>
+    <x:Double x:Key="CommandBarButtonPanelSpacing">4</x:Double>
+    <StaticResource x:Key="CommandBarButtonCornerRadius" ResourceKey="SemiBorderRadiusSmall" />
+    <StaticResource x:Key="CommandBarButtonLabelFontSize" ResourceKey="SemiFontSizeSmall" />
+    <x:Double x:Key="CommandBarButtonOverflowMinHeight">36</x:Double>
+    <Thickness x:Key="CommandBarButtonOverflowPadding">12 6</Thickness>
+    <!--  CommandBarSeparator  -->
+    <x:Double x:Key="CommandBarSeparatorWidth">1</x:Double>
+    <x:Double x:Key="CommandBarSeparatorMinHeight">24</x:Double>
+    <Thickness x:Key="CommandBarSeparatorMargin">8 4</Thickness>
+    <x:Double x:Key="CommandBarSeparatorOverflowHeight">1</x:Double>
+    <Thickness x:Key="CommandBarSeparatorOverflowMargin">4 4</Thickness>
     <!--  CommandBar  -->
     <x:Double x:Key="CommandBarMinHeight">48</x:Double>
     <Thickness x:Key="CommandBarPadding">4 0</Thickness>
diff --git a/src/Semi.Avalonia/Themes/Shared/Flyout.axaml b/src/Semi.Avalonia/Themes/Shared/Flyout.axaml
index dc0345a..808ebd7 100644
--- a/src/Semi.Avalonia/Themes/Shared/Flyout.axaml
+++ b/src/Semi.Avalonia/Themes/Shared/Flyout.axaml
@@ -7,4 +7,5 @@
     <x:Double x:Key="FlyoutMaxWidth">600</x:Double>
     <StaticResource x:Key="FlyoutCornerRadius" ResourceKey="SemiBorderRadiusMedium" />
     <StaticResource x:Key="FlyoutPadding" ResourceKey="SemiThicknessTight" />
+    <StaticResource x:Key="HorizontalMenuFlyoutThemeMinWidth" ResourceKey="SemiSpacingExtraLoose" />
 </ResourceDictionary>
\ No newline at end of file