WPF nested layout case

  Practical template , Case study

<Window x:Class="WpfAppDL.WindowNest"
        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"
        xmlns:local="clr-namespace:WpfAppDL"
        mc:Ignorable="d"
        Title="WindowNest" Height="450" Width="800">
    <Grid>
        <DockPanel>
            <StackPanel  DockPanel.Dock="Bottom" HorizontalAlignment="Center" Orientation="Horizontal">
                <Button Margin="10,10,2,10" Padding="3" Height="25"> Sign in </Button>
                <Button Margin="10,10,2,10" Padding="3" Height="25"> register </Button>
            </StackPanel>

            <TextBox DockPanel.Dock="Top" Margin="10"> Nested layout practice cases </TextBox>
        </DockPanel>
    </Grid>
</Window>

effect