Wino-Mail/Wino.Mail/Controls/WinoPivotControl.xaml

<UserControl
    x:Class="Wino.Controls.WinoPivotControl"
    xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
    xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
    xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
    xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
    d:DesignHeight="300"
    d:DesignWidth="400"
    Loaded="ControlLoaded"
    Unloaded="ControlUnloaded"
    mc:Ignorable="d">

    <UserControl.Resources>
        <Style x:Key="WinoPivotControlListViewItemStyle" TargetType="ListViewItem">
            <Setter Property="FontFamily" Value="{ThemeResource ContentControlThemeFontFamily}" />
            <Setter Property="FontSize" Value="{ThemeResource ControlContentThemeFontSize}" />
            <Setter Property="Background" Value="{ThemeResource ListViewItemBackground}" />
            <Setter Property="Foreground" Value="{ThemeResource ListViewItemForeground}" />
            <Setter Property="TabNavigation" Value="Local" />
            <Setter Property="IsHoldingEnabled" Value="True" />
            <Setter Property="Padding" Value="12,4" />
            <Setter Property="HorizontalContentAlignment" Value="Center" />
            <Setter Property="VerticalContentAlignment" Value="Center" />
            <Setter Property="MinWidth" Value="{ThemeResource ListViewItemMinWidth}" />
            <Setter Property="MinHeight" Value="{ThemeResource ListViewItemMinHeight}" />
            <Setter Property="AllowDrop" Value="False" />
            <Setter Property="UseSystemFocusVisuals" Value="{StaticResource UseSystemFocusVisuals}" />
            <Setter Property="FocusVisualMargin" Value="0" />
            <Setter Property="Template">
                <Setter.Value>
                    <ControlTemplate TargetType="ListViewItem">
                        <ListViewItemPresenter
                            x:Name="Root"
                            Margin="0,0,6,0"
                            HorizontalContentAlignment="{TemplateBinding HorizontalContentAlignment}"
                            VerticalContentAlignment="{TemplateBinding VerticalContentAlignment}"
                            CheckBoxBrush="{ThemeResource ListViewItemCheckBoxBrush}"
                            CheckBrush="{ThemeResource ListViewItemCheckBrush}"
                            CheckMode="{ThemeResource ListViewItemCheckMode}"
                            ContentMargin="{TemplateBinding Padding}"
                            ContentTransitions="{TemplateBinding ContentTransitions}"
                            Control.IsTemplateFocusTarget="True"
                            CornerRadius="6"
                            DisabledOpacity="{ThemeResource ListViewItemDisabledThemeOpacity}"
                            DragBackground="{ThemeResource ListViewItemDragBackground}"
                            DragForeground="{ThemeResource ListViewItemDragForeground}"
                            DragOpacity="{ThemeResource ListViewItemDragThemeOpacity}"
                            FocusBorderBrush="{ThemeResource ListViewItemFocusBorderBrush}"
                            FocusSecondaryBorderBrush="{ThemeResource ListViewItemFocusSecondaryBorderBrush}"
                            FocusVisualMargin="{TemplateBinding FocusVisualMargin}"
                            PlaceholderBackground="{ThemeResource ListViewItemPlaceholderBackground}"
                            PointerOverBackground="{ThemeResource ListViewItemBackgroundPointerOver}"
                            PointerOverForeground="{ThemeResource ListViewItemForegroundPointerOver}"
                            PressedBackground="Transparent"
                            ReorderHintOffset="{ThemeResource ListViewItemReorderHintThemeOffset}"
                            RevealBackground="Transparent"
                            RevealBorderBrush="Transparent"
                            RevealBorderThickness="{ThemeResource ListViewItemRevealBorderThemeThickness}"
                            SelectedBackground="Transparent"
                            SelectedForeground="{ThemeResource ApplicationForegroundThemeBrush}"
                            SelectedPointerOverBackground="{ThemeResource ListViewItemBackgroundPointerOver}"
                            SelectedPressedBackground="{ThemeResource ListViewItemBackgroundPointerOver}"
                            SelectionCheckMarkVisualEnabled="{ThemeResource ListViewItemSelectionCheckMarkVisualEnabled}">
                            <VisualStateManager.VisualStateGroups>
                                <VisualStateGroup x:Name="CommonStates">
                                    <VisualState x:Name="Normal" />
                                    <VisualState x:Name="Selected" />
                                    <VisualState x:Name="PointerOver" />
                                    <VisualState x:Name="PointerOverSelected" />
                                    <VisualState x:Name="PointerOverPressed" />
                                    <VisualState x:Name="Pressed" />
                                    <VisualState x:Name="PressedSelected" />
                                </VisualStateGroup>

                                <VisualStateGroup x:Name="DisabledStates">
                                    <VisualState x:Name="Enabled" />
                                    <VisualState x:Name="Disabled" />
                                </VisualStateGroup>

                            </VisualStateManager.VisualStateGroups>
                        </ListViewItemPresenter>

                    </ControlTemplate>
                </Setter.Value>
            </Setter>
        </Style>
    </UserControl.Resources>

    <Grid>
        <Grid.RowDefinitions>
            <RowDefinition Height="Auto" />
            <RowDefinition Height="Auto" />
        </Grid.RowDefinitions>
        <ListView
            x:Name="PivotHeaders"
            ItemContainerStyle="{StaticResource WinoPivotControlListViewItemStyle}"
            ItemTemplate="{x:Bind DataTemplate, Mode=OneWay}"
            ItemsSource="{x:Bind ItemsSource, Mode=OneWay}"
            Transitions="{x:Null}"
            ItemContainerTransitions="{x:Null}"
            SelectedItem="{x:Bind SelectedItem, Mode=TwoWay}"
            SelectionChanged="PivotHeaders_SelectionChanged">
            <ListView.ItemsPanel>
                <ItemsPanelTemplate>
                    <ItemsStackPanel Orientation="Horizontal" />
                </ItemsPanelTemplate>
            </ListView.ItemsPanel>
        </ListView>

        <Grid
            x:Name="SelectorPipe"
            Grid.Row="1"
            Width="1"
            Height="3"
            Margin="0,6,0,0"
            HorizontalAlignment="Left"
            SizeChanged="SelectorPipeSizeChanged">
            <Grid.TranslationTransition>
                <Vector3Transition Duration="0:0:0.5" />
            </Grid.TranslationTransition>
        </Grid>
    </Grid>
</UserControl>