MainPage.xaml

<?xml version="1.0" encoding="utf-8" ?>
<ContentPage xmlns="http://schemas.microsoft.com/dotnet/2021/maui"
             xmlns:x="http://schemas.microsoft.com/winfx/2009/xaml"
             x:Class="TutorialHelp.MainPage"
             BackgroundColor="{DynamicResource SecondaryColor}">
	<ContentPage.ToolbarItems>
		<ToolbarItem Text="?" Clicked="ToolbarItem_Clicked"/>
	</ContentPage.ToolbarItems>

	<VerticalStackLayout>

		<Label 
                Text="Welcome to .NET Multi-platform App UI"
                SemanticProperties.HeadingLevel="Level1"
                SemanticProperties.Description="Welcome to dot net Multi platform App U I"
                FontSize="18"
                HorizontalOptions="Center" />

		<Label 
                Text="Current count: 0"
                FontSize="18"
                x:Name="CounterLabel"
                HorizontalOptions="Center" />

		<Button 
                Text="Click me"
				WidthRequest="90"
				HeightRequest="40"
                SemanticProperties.Hint="Counts the number of times you click"
                Clicked="OnCounterClicked"
                HorizontalOptions="Center" />

	</VerticalStackLayout>
</ContentPage>