<Style TargetType="controls:ListPickerFlyoutPresenter">
    <Setter Property="Background" Value="{ThemeResource FlyoutBackgroundThemeBrush}" />
    <Setter Property="AutomationProperties.AutomationId" Value="ListPickerFlyoutPresenter" />
    <Setter Property="Template">
      <Setter.Value>
        <ControlTemplate TargetType="controls:ListPickerFlyoutPresenter">
          <Border x:Name="Background"
                  Background="{TemplateBinding Background}"
                  BorderBrush="{TemplateBinding BorderBrush}"
                  BorderThickness="{TemplateBinding BorderThickness}"
                  FlowDirection="LeftToRight">
            <VisualStateManager.VisualStateGroups>
              <VisualStateGroup x:Name="OrientationStates">
                <VisualState x:Name="Portrait"/>
                <VisualState x:Name="Landscape">
                  <Storyboard>
                    <ObjectAnimationUsingKeyFrames Storyboard.TargetName="ContentPanel" Storyboard.TargetProperty="Margin">
                      <DiscreteObjectKeyFrame KeyTime="0" Value="{ThemeResource PickerFlyoutContentPanelLandscapeThemeMargin}"/>
                    </ObjectAnimationUsingKeyFrames>
                  </Storyboard>
                </VisualState>
              </VisualStateGroup>
            </VisualStateManager.VisualStateGroups>
            <Grid x:Name="ContentPanel"
                  Margin="{ThemeResource PickerFlyoutContentPanelPortraitThemeMargin}"
                  FlowDirection="{TemplateBinding FlowDirection}">
              <Grid.RenderTransform>
                <TranslateTransform x:Name="ContentPanelTransform"/>
              </Grid.RenderTransform>
              <Grid.RowDefinitions>
                <RowDefinition Height="Auto" />
                <RowDefinition Height="*" />
              </Grid.RowDefinitions>
              <TextBlock x:Name="TitlePresenter"
                         Grid.Row="0" Margin="{ThemeResource PickerFlyoutTitleThemeMargin}"
                         Style="{StaticResource FlyoutPickerTitleTextBlockStyle}"
                         AutomationProperties.AccessibilityView="Raw"/>
              <Grid x:Name="ItemsHostPanel"
                    Grid.Row="1"
                    Margin="{ThemeResource FlyoutContentThemeMargin}"
                    HorizontalAlignment="Stretch"
                    VerticalAlignment="Top">
              </Grid>
            </Grid>
          </Border>
        </ControlTemplate>
      </Setter.Value>
    </Setter>
  </Style>