microsoft · Zakariathr22 · Sep 15, 2025 · Sep 16, 2025 · Sep 16, 2025 · Sep 18, 2025
diff --git a/WinUIGallery/Samples/ControlPages/Accessibility/AccessibilityKeyboardPage.xaml b/WinUIGallery/Samples/ControlPages/Accessibility/AccessibilityKeyboardPage.xaml
@@ -31,6 +31,10 @@
     </Page.Resources>
 
     <StackPanel Spacing="12">
+        <StackPanel.ChildrenTransitions>
+            <RepositionThemeTransition />
+        </StackPanel.ChildrenTransitions>
+
         <RichTextBlock>
             <Paragraph>
                 Accessibility is about building experiences that make your Windows application usable by people of

diff --git a/WinUIGallery/Samples/ControlPages/Accessibility/AccessibilityScreenReaderPage.xaml b/WinUIGallery/Samples/ControlPages/Accessibility/AccessibilityScreenReaderPage.xaml
@@ -32,6 +32,10 @@
     </Page.Resources>
 
     <StackPanel Spacing="12">
+        <StackPanel.ChildrenTransitions>
+            <RepositionThemeTransition />
+        </StackPanel.ChildrenTransitions>
+
         <RichTextBlock>
             <Paragraph>
                 Accessibility is about building experiences that make your Windows application usable by people of

diff --git a/WinUIGallery/Samples/ControlPages/AcrylicPage.xaml b/WinUIGallery/Samples/ControlPages/AcrylicPage.xaml
@@ -36,6 +36,10 @@
         </ResourceDictionary>
     </Page.Resources>
     <StackPanel>
+        <StackPanel.ChildrenTransitions>
+            <RepositionThemeTransition />
+        </StackPanel.ChildrenTransitions>
+
         <RichTextBlock>
             <Paragraph>
                 Acrylic Brush might fall back to SolidColorbrush in certain scenarios.

diff --git a/WinUIGallery/Samples/ControlPages/AnimatedIconPage.xaml b/WinUIGallery/Samples/ControlPages/AnimatedIconPage.xaml
@@ -9,6 +9,10 @@
     xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
     mc:Ignorable="d">
     <StackPanel>
+        <StackPanel.ChildrenTransitions>
+            <RepositionThemeTransition />
+        </StackPanel.ChildrenTransitions>
+
         <controls:ControlExample
             x:Name="AnimatedIconExample1"
             CSharpSource="Icons/AnimatedIconSample1_cs.txt"

diff --git a/WinUIGallery/Samples/ControlPages/AppBarButtonPage.xaml b/WinUIGallery/Samples/ControlPages/AppBarButtonPage.xaml
@@ -18,6 +18,10 @@
     xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
     mc:Ignorable="d">
     <StackPanel>
+        <StackPanel.ChildrenTransitions>
+            <RepositionThemeTransition />
+        </StackPanel.ChildrenTransitions>
+
         <controls:ControlExample x:Name="Example1" HeaderText="An AppBarButton with a symbol icon.">
             <StackPanel Orientation="Horizontal">
                 <!--  App bar button with symbol icon.  -->

diff --git a/WinUIGallery/Samples/ControlPages/AppBarToggleButtonPage.xaml b/WinUIGallery/Samples/ControlPages/AppBarToggleButtonPage.xaml
@@ -18,6 +18,10 @@
     xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
     mc:Ignorable="d">
     <StackPanel>
+        <StackPanel.ChildrenTransitions>
+            <RepositionThemeTransition />
+        </StackPanel.ChildrenTransitions>
+
         <controls:ControlExample x:Name="Example1" HeaderText="An AppBarToggleButton with a symbol icon.">
             <controls:ControlExample.Example>
                 <StackPanel Orientation="Horizontal">

diff --git a/WinUIGallery/Samples/ControlPages/AppNotificationPage.xaml b/WinUIGallery/Samples/ControlPages/AppNotificationPage.xaml
@@ -9,6 +9,10 @@
       mc:Ignorable="d">
 
     <StackPanel>
+        <StackPanel.ChildrenTransitions>
+            <RepositionThemeTransition />
+        </StackPanel.ChildrenTransitions>
+
         <StackPanel Spacing="8"
                     Margin="0,16,0,0">
             <InfoBar IsOpen="True"

diff --git a/WinUIGallery/Samples/ControlPages/AppWindowPage.xaml b/WinUIGallery/Samples/ControlPages/AppWindowPage.xaml
@@ -9,6 +9,10 @@
     mc:Ignorable="d">
 
     <StackPanel>
+        <StackPanel.ChildrenTransitions>
+            <RepositionThemeTransition />
+        </StackPanel.ChildrenTransitions>
+
         <TextBlock
             Margin="0,16,0,-16"
             Style="{ThemeResource SubtitleTextBlockStyle}"

diff --git a/WinUIGallery/Samples/ControlPages/AutoSuggestBoxPage.xaml b/WinUIGallery/Samples/ControlPages/AutoSuggestBoxPage.xaml
@@ -8,6 +8,10 @@
     x:Name="pageRoot"
     mc:Ignorable="d">
     <StackPanel>
+        <StackPanel.ChildrenTransitions>
+            <RepositionThemeTransition />
+        </StackPanel.ChildrenTransitions>
+
         <controls:ControlExample x:Name="Example1" HeaderText="A basic autosuggest box.">
             <StackPanel Orientation="Horizontal">
                 <AutoSuggestBox

diff --git a/WinUIGallery/Samples/ControlPages/BadgeNotificationManagerPage.xaml b/WinUIGallery/Samples/ControlPages/BadgeNotificationManagerPage.xaml
@@ -10,6 +10,10 @@
     mc:Ignorable="d">
 
     <StackPanel>
+        <StackPanel.ChildrenTransitions>
+            <RepositionThemeTransition />
+        </StackPanel.ChildrenTransitions>
+
         <InfoBar Margin="0,10,0,0" IsOpen="True" IsClosable="False" Severity="Warning" Title="BadgeNotificationManager is not available in unpackaged mode." Message="This API requires the app to be running in packaged mode (MSIX)."/>
         <controls:ControlExample HeaderText="Setting badge notifications with count">
             <StackPanel Spacing="8">

diff --git a/WinUIGallery/Samples/ControlPages/BreadcrumbBarPage.xaml b/WinUIGallery/Samples/ControlPages/BreadcrumbBarPage.xaml
@@ -19,6 +19,10 @@
     xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
     mc:Ignorable="d">
     <StackPanel>
+        <StackPanel.ChildrenTransitions>
+            <RepositionThemeTransition />
+        </StackPanel.ChildrenTransitions>
+
         <controls:ControlExample x:Name="Example1" HeaderText="A BreadcrumbBar control">
             <controls:ControlExample.Example>
                 <BreadcrumbBar x:Name="BreadcrumbBar1" ItemsSource="{x:Bind FoldersString}"/>

diff --git a/WinUIGallery/Samples/ControlPages/ButtonPage.xaml b/WinUIGallery/Samples/ControlPages/ButtonPage.xaml
@@ -18,6 +18,10 @@
     xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
     mc:Ignorable="d">
     <StackPanel>
+        <StackPanel.ChildrenTransitions>
+            <RepositionThemeTransition />
+        </StackPanel.ChildrenTransitions>
+
         <controls:ControlExample x:Name="Example1" HeaderText="A simple Button with text content.">
             <controls:ControlExample.Example>
                 <Button

diff --git a/WinUIGallery/Samples/ControlPages/CheckBoxPage.xaml b/WinUIGallery/Samples/ControlPages/CheckBoxPage.xaml
@@ -18,6 +18,10 @@
     xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
     mc:Ignorable="d">
     <StackPanel>
+        <StackPanel.ChildrenTransitions>
+            <RepositionThemeTransition />
+        </StackPanel.ChildrenTransitions>
+
         <controls:ControlExample x:Name="Example1" HeaderText="A 2-state CheckBox.">
             <controls:ControlExample.Example>
                 <StackPanel Orientation="Horizontal">

diff --git a/WinUIGallery/Samples/ControlPages/ClipboardPage.xaml b/WinUIGallery/Samples/ControlPages/ClipboardPage.xaml
@@ -19,6 +19,10 @@
     xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
     mc:Ignorable="d">
     <StackPanel>
+        <StackPanel.ChildrenTransitions>
+            <RepositionThemeTransition />
+        </StackPanel.ChildrenTransitions>
+
         <!--  COPY TO CLIPBOARD  -->
         <controls:ControlExample x:Name="Example1" HeaderText="Copy text to the Clipboard">
 

diff --git a/WinUIGallery/Samples/ControlPages/ComboBoxPage.xaml b/WinUIGallery/Samples/ControlPages/ComboBoxPage.xaml
@@ -19,6 +19,10 @@
     xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
     mc:Ignorable="d">
     <StackPanel>
+        <StackPanel.ChildrenTransitions>
+            <RepositionThemeTransition />
+        </StackPanel.ChildrenTransitions>
+
         <controls:ControlExample HeaderText="A ComboBox with items defined inline and its width set.">
             <controls:ControlExample.Example>
                 <StackPanel>

diff --git a/WinUIGallery/Samples/ControlPages/ConnectedAnimationPage.xaml b/WinUIGallery/Samples/ControlPages/ConnectedAnimationPage.xaml
@@ -8,7 +8,10 @@
     x:Name="pageRoot"
     mc:Ignorable="d">
     <StackPanel>
-
+        <StackPanel.ChildrenTransitions>
+            <RepositionThemeTransition />
+        </StackPanel.ChildrenTransitions>
+
         <controls:ControlExample
             CSharpSource="Motion/ConnectedAnimation/ConnectedAnimationSample1_cs.txt"
             HeaderText="A connected animation between a list page and a detail page"

diff --git a/WinUIGallery/Samples/ControlPages/ContentDialogPage.xaml b/WinUIGallery/Samples/ControlPages/ContentDialogPage.xaml
@@ -7,6 +7,10 @@
     xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
     mc:Ignorable="d">
     <StackPanel>
+        <StackPanel.ChildrenTransitions>
+            <RepositionThemeTransition />
+        </StackPanel.ChildrenTransitions>
+
         <controls:ControlExample
             x:Name="Example1"
             CSharpSource="ContentDialog/ContentDialogSample1_cs.txt"

diff --git a/WinUIGallery/Samples/ControlPages/DatePickerPage.xaml b/WinUIGallery/Samples/ControlPages/DatePickerPage.xaml
@@ -18,6 +18,10 @@
     xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
     mc:Ignorable="d">
     <StackPanel>
+        <StackPanel.ChildrenTransitions>
+            <RepositionThemeTransition />
+        </StackPanel.ChildrenTransitions>
+
         <controls:ControlExample x:Name="Example1" HeaderText="A simple DatePicker with a header.">
             <controls:ControlExample.Example>
                 <DatePicker Header="Pick a date" />

diff --git a/WinUIGallery/Samples/ControlPages/DropDownButtonPage.xaml b/WinUIGallery/Samples/ControlPages/DropDownButtonPage.xaml
@@ -8,6 +8,10 @@
     mc:Ignorable="d">
 
     <StackPanel>
+        <StackPanel.ChildrenTransitions>
+            <RepositionThemeTransition />
+        </StackPanel.ChildrenTransitions>
+
         <controls:ControlExample HeaderText="Simple DropDownButton" XamlSource="Buttons/DropDown/DropDownButton_Simple.txt">
             <StackPanel x:Name="Control1" Orientation="Horizontal">
                 <DropDownButton Content="Email">

diff --git a/WinUIGallery/Samples/ControlPages/EasingFunctionPage.xaml b/WinUIGallery/Samples/ControlPages/EasingFunctionPage.xaml
@@ -10,6 +10,10 @@
     mc:Ignorable="d">
 
     <StackPanel>
+        <StackPanel.ChildrenTransitions>
+            <RepositionThemeTransition />
+        </StackPanel.ChildrenTransitions>
+
         <RichTextBlock Style="{ThemeResource BodyRichTextBlockStyle}">
             <Paragraph>- Use the Standard easing function for animating general property changes.</Paragraph>
             <Paragraph>- Use the Accelerate easing function to animate objects that are exiting the scene.</Paragraph>

diff --git a/WinUIGallery/Samples/ControlPages/ExpanderPage.xaml b/WinUIGallery/Samples/ControlPages/ExpanderPage.xaml
@@ -19,6 +19,10 @@
     mc:Ignorable="d">
 
     <StackPanel>
+        <StackPanel.ChildrenTransitions>
+            <RepositionThemeTransition />
+        </StackPanel.ChildrenTransitions>
+
         <controls:ControlExample x:Name="Example1" HeaderText="An Expander with text in the header and content areas">
             <controls:ControlExample.Example>
                 <Expander

diff --git a/WinUIGallery/Samples/ControlPages/FlipViewPage.xaml b/WinUIGallery/Samples/ControlPages/FlipViewPage.xaml
@@ -17,6 +17,10 @@
     xmlns:models="using:WinUIGallery.Models"
     xmlns:pages="using:WinUIGallery.Pages">
     <StackPanel>
+        <StackPanel.ChildrenTransitions>
+            <RepositionThemeTransition />
+        </StackPanel.ChildrenTransitions>
+
         <controls:ControlExample
             x:Name="Example1"
             ExampleHeight="Auto"

diff --git a/WinUIGallery/Samples/ControlPages/FlyoutPage.xaml b/WinUIGallery/Samples/ControlPages/FlyoutPage.xaml
@@ -25,6 +25,10 @@
         </Flyout>
     </Page.Resources>
     <StackPanel>
+        <StackPanel.ChildrenTransitions>
+            <RepositionThemeTransition />
+        </StackPanel.ChildrenTransitions>
+
         <controls:ControlExample HeaderText="A button with a flyout">
             <controls:ControlExample.Example>
                 <Button x:Name="Control1" Content="Empty cart">

diff --git a/WinUIGallery/Samples/ControlPages/Fundamentals/BindingPage.xaml b/WinUIGallery/Samples/ControlPages/Fundamentals/BindingPage.xaml
@@ -9,6 +9,10 @@
     mc:Ignorable="d">
 
     <StackPanel>
+        <StackPanel.ChildrenTransitions>
+            <RepositionThemeTransition />
+        </StackPanel.ChildrenTransitions>
+
         <StackPanel Margin="0,12,0,0" Spacing="12">
             <RichTextBlock>
                 <Paragraph FontWeight="SemiBold">Key concepts</Paragraph>

diff --git a/WinUIGallery/Samples/ControlPages/Fundamentals/CustomUserControlsPage.xaml b/WinUIGallery/Samples/ControlPages/Fundamentals/CustomUserControlsPage.xaml
@@ -10,6 +10,10 @@
     mc:Ignorable="d">
 
     <StackPanel>
+        <StackPanel.ChildrenTransitions>
+            <RepositionThemeTransition />
+        </StackPanel.ChildrenTransitions>
+
         <TextBlock Text="Custom (templated) control" Style="{ThemeResource SubtitleTextBlockStyle}" Margin="0,8" />
         <StackPanel Spacing="8">
             <RichTextBlock>

diff --git a/WinUIGallery/Samples/ControlPages/Fundamentals/TemplatesPage.xaml b/WinUIGallery/Samples/ControlPages/Fundamentals/TemplatesPage.xaml
@@ -19,6 +19,10 @@
     </Page.Resources>
 
     <StackPanel>
+        <StackPanel.ChildrenTransitions>
+            <RepositionThemeTransition />
+        </StackPanel.ChildrenTransitions>
+
         <StackPanel Margin="0,12,0,0" Spacing="12">
             <RichTextBlock>
                 <Paragraph FontWeight="SemiBold">Placement of Templates</Paragraph>

diff --git a/WinUIGallery/Samples/ControlPages/Fundamentals/XamlResourcesPage.xaml b/WinUIGallery/Samples/ControlPages/Fundamentals/XamlResourcesPage.xaml
@@ -15,6 +15,10 @@
     </Page.Resources>
 
     <StackPanel>
+        <StackPanel.ChildrenTransitions>
+            <RepositionThemeTransition />
+        </StackPanel.ChildrenTransitions>
+
         <TextBlock
             Margin="0,12,0,4"
             Style="{ThemeResource SubtitleTextBlockStyle}"

diff --git a/WinUIGallery/Samples/ControlPages/Fundamentals/XamlStylesPage.xaml b/WinUIGallery/Samples/ControlPages/Fundamentals/XamlStylesPage.xaml
@@ -9,6 +9,10 @@
     mc:Ignorable="d">
 
     <StackPanel>
+        <StackPanel.ChildrenTransitions>
+            <RepositionThemeTransition />
+        </StackPanel.ChildrenTransitions>
+
         <StackPanel Margin="0,12,0,0" Spacing="12">
             <RichTextBlock>
                 <Paragraph>The definition of styles is similiar to other resources: app-level, page-level, control-level.</Paragraph>

diff --git a/WinUIGallery/Samples/ControlPages/GridViewPage.xaml b/WinUIGallery/Samples/ControlPages/GridViewPage.xaml
@@ -122,6 +122,10 @@
     </Page.Resources>
 
     <StackPanel>
+        <StackPanel.ChildrenTransitions>
+            <RepositionThemeTransition />
+        </StackPanel.ChildrenTransitions>
+
         <controls:ControlExample
             CSharpSource="GridView/GridViewSample1_cs.txt"
             HeaderText="Basic GridView with Simple DataTemplate"

diff --git a/WinUIGallery/Samples/ControlPages/HyperlinkButtonPage.xaml b/WinUIGallery/Samples/ControlPages/HyperlinkButtonPage.xaml
@@ -19,6 +19,10 @@
     mc:Ignorable="d">
 
     <StackPanel>
+        <StackPanel.ChildrenTransitions>
+            <RepositionThemeTransition />
+        </StackPanel.ChildrenTransitions>
+
         <controls:ControlExample x:Name="Example1" HeaderText="A hyperlink button that navigates to a URI.">
             <controls:ControlExample.Example>
                 <HyperlinkButton

diff --git a/WinUIGallery/Samples/ControlPages/IconElementPage.xaml b/WinUIGallery/Samples/ControlPages/IconElementPage.xaml
@@ -8,6 +8,10 @@
     xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
     mc:Ignorable="d">
     <StackPanel>
+        <StackPanel.ChildrenTransitions>
+            <RepositionThemeTransition />
+        </StackPanel.ChildrenTransitions>
+
         <controls:ControlExample x:Name="Example1" HeaderText="A BitmapIcon with a multicolor bitmap image">
             <controls:ControlExample.Example>
                 <StackPanel>

diff --git a/WinUIGallery/Samples/ControlPages/ImagePage.xaml b/WinUIGallery/Samples/ControlPages/ImagePage.xaml
@@ -7,6 +7,10 @@
     xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
     mc:Ignorable="d">
     <StackPanel>
+        <StackPanel.ChildrenTransitions>
+            <RepositionThemeTransition />
+        </StackPanel.ChildrenTransitions>
+
         <controls:ControlExample x:Name="Example1" HeaderText="A basic image from a local file.">
 
             <Image Height="100" Source="/Assets/SampleMedia/treetops.jpg" />

diff --git a/WinUIGallery/Samples/ControlPages/ImplicitTransitionPage.xaml b/WinUIGallery/Samples/ControlPages/ImplicitTransitionPage.xaml
@@ -13,6 +13,10 @@
         </Style>
     </Page.Resources>
     <StackPanel>
+        <StackPanel.ChildrenTransitions>
+            <RepositionThemeTransition />
+        </StackPanel.ChildrenTransitions>
+
         <controls:ControlExample HeaderText="Automatically animate changes to Opacity">
             <Rectangle
                 x:Name="OpacityRectangle"

diff --git a/WinUIGallery/Samples/ControlPages/InfoBadgePage.xaml b/WinUIGallery/Samples/ControlPages/InfoBadgePage.xaml
@@ -19,6 +19,10 @@
     mc:Ignorable="d">
 
     <StackPanel>
+        <StackPanel.ChildrenTransitions>
+            <RepositionThemeTransition />
+        </StackPanel.ChildrenTransitions>
+
         <controls:ControlExample
             x:Name="Example1"
             HorizontalContentAlignment="Stretch"

diff --git a/WinUIGallery/Samples/ControlPages/InfoBarPage.xaml b/WinUIGallery/Samples/ControlPages/InfoBarPage.xaml
@@ -18,6 +18,10 @@
     xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
     mc:Ignorable="d">
     <StackPanel>
+        <StackPanel.ChildrenTransitions>
+            <RepositionThemeTransition />
+        </StackPanel.ChildrenTransitions>
+
         <controls:ControlExample x:Name="Example1" HeaderText="A closable InfoBar with options to change its Severity.">
             <controls:ControlExample.Example>
                 <InfoBar

diff --git a/WinUIGallery/Samples/ControlPages/ItemsRepeaterPage.xaml b/WinUIGallery/Samples/ControlPages/ItemsRepeaterPage.xaml
@@ -174,6 +174,10 @@
     </Page.Resources>
 
     <StackPanel>
+        <StackPanel.ChildrenTransitions>
+            <RepositionThemeTransition />
+        </StackPanel.ChildrenTransitions>
+
         <controls:ControlExample HeaderText="Basic, non-interactive items laid out by ItemsRepeater">
             <ScrollViewer
                 MaxHeight="500"