maui-linux/Xamarin.Forms.Controls/CompressedLayout.xaml

<?xml version="1.0" encoding="UTF-8"?>
<ContentPage xmlns="http://xamarin.com/schemas/2014/forms"
	xmlns:x="http://schemas.microsoft.com/winfx/2009/xaml"
	x:Class="Xamarin.Forms.Controls.CompressedLayout"
	Padding="0,20,0,0">
	<StackLayout Padding="6" CompressedLayout.IsHeadless="true">
		<Label Text="First"/>
		<StackLayout Padding="6" CompressedLayout.IsHeadless="true">
			<Label Text="Second"/>
			<ContentView Padding="6" CompressedLayout.IsHeadless="true" BackgroundColor="Pink" >
				<Label x:Name="this" Text="{Binding X, Source={x:Reference this}, StringFormat='Label.X:{0}'}"/>
			</ContentView>
			<Label Text="Fourth"/>
		</StackLayout>
		<Label Text="Fifth"/>
	</StackLayout>
</ContentPage>