AvaloniaProvalenko43P/AvaloniaApplication1/MainWindow.axaml

<Window xmlns="https://github.com/avaloniaui"
        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"
        mc:Ignorable="d" d:DesignWidth="800" d:DesignHeight="450"
        x:Class="AvaloniaApplication1.MainWindow"
        Title="AvaloniaApplication1">
	<Grid HorizontalAlignment="Center">
		<StackPanel Margin="50 100 50 50">
			<TextBlock Name="yearT"></TextBlock>
			<TextBlock Name="mounthT"></TextBlock>
			<TextBlock Name="daysT"></TextBlock>
			<TextBlock Name="dayOfWeek"></TextBlock>
			<TextBlock Name="DBW"></TextBlock>
			<TextBlock Name="Viss"></TextBlock>
			<TextBlock Name="VisY"></TextBlock>
		</StackPanel>
		<StackPanel Margin="100 250 100 100">
		
			<DatePicker Width="400" Height="30" VerticalAlignment="Center" Name="dateT"></DatePicker>
			<Button  VerticalAlignment="Center" Click="Button_Click" Width="160" Height="30" HorizontalAlignment="Center">
			Подтвердить выбор	
			</Button>			
		</StackPanel>

	</Grid>
	
</Window>