qwerty/AvaloniaApplication2/Views/UserControl1.axaml

<UserControl 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="AvaloniaApplication2.Views.UserControl1" 
			 xmlns:vm="using:AvaloniaApplication2.ViewModels"
			 x:DataType="vm.AvaloniaApplication2ViewModel">
	
	
	
	<StackPanel HorizontalAlignment="Center">
		<TextBlock Text="Логин" HorizontalAlignment="Center" VerticalAlignment="Center" Margin="60,100,60,4">
		</TextBlock>
		<TextBox> </TextBox>
		<TextBlock Text="Пароль" HorizontalAlignment="Center" VerticalAlignment="Center" Margin="60,10,60,4">
		</TextBlock>
		<TextBox> </TextBox>
		<TextBlock>
			<Button HorizontalAlignment="Center" VerticalAlignment="Center" Margin="60,10,60,4" >
				Авторизациzz
			</Button>
		</TextBlock>
		<TextBox Height="53" HorizontalAlignment="Left" FontSize="28" Foreground="Red" FontStyle="Italic" FontWeight="Heavy" Margin="86,105,0,0" Name="textBox1" VerticalAlignment="Top" Width="202" Background="{x:Null}" FontStretch="UltraCondensed"></TextBox>

		<Button Command="{Binding VM.button1_Click}" HorizontalAlignment="Center" VerticalAlignment="Center" Margin="60,10,60,4" >
		Клик
		</Button>
	</StackPanel>
	
</UserControl>