Kinnara

<Style x:Key="FullScreenContentDialogStyle" TargetType="ContentDialog">
    <Setter Property="Template">
        <Setter.Value>
            <ControlTemplate TargetType="ContentDialog">
                <Border x:Name="Container">
                    <VisualStateManager.VisualStateGroups>
                        <VisualStateGroup x:Name="Orientation">
                            <VisualState x:Name="Portrait" />
                            <VisualState x:Name="Landscape">
                                <Storyboard>