MainPage.xaml

<?xml version="1.0" encoding="utf-8"?>

<Page
    x:Class="PolicyManager.MainPage"
    xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
    xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
    xmlns:animatedVisuals="using:Microsoft.UI.Xaml.Controls.AnimatedVisuals"
    Background="{ThemeResource ApplicationPageBackgroundThemeBrush}"
    DataContext="{x:Bind _dataContext}">
    <Grid
        HorizontalAlignment="Stretch">
        <Grid.ColumnDefinitions>
            <ColumnDefinition Width="*" />
        </Grid.ColumnDefinitions>
        <Grid.RowDefinitions>
            <RowDefinition Height="Auto" />
            <RowDefinition Height="*" />
        </Grid.RowDefinitions>
        <Grid
            Grid.Row="0"
            VerticalAlignment="Center"
            Margin="5"
            ColumnSpacing="10">
            <Grid.ColumnDefinitions>
                <ColumnDefinition Width="Auto" />
                <ColumnDefinition Width="*" />
            </Grid.ColumnDefinitions>
            <Button
                Click="ButtonBase_OnClick"
                Width="40"
                IsEnabled="{Binding Path=CanGoBack}"
                Style="{StaticResource BackButtonStyle}">
                <AnimatedIcon>
                    <AnimatedIcon.Source>
                        <animatedVisuals:AnimatedBackVisualSource />
                    </AnimatedIcon.Source>
                </AnimatedIcon>
            </Button>
            <TextBlock
                Grid.Column="1"
                Name="Placeholder"
                Text="{Binding Path=ActivePageName}"
                x:FieldModifier="internal"
                VerticalAlignment="Center" />
        </Grid>
        <Frame Grid.Row="1" x:Name="MainFrame" x:FieldModifier="public" />
    </Grid>
</Page>