AvaloniaTaskFive/Auth/Views/Auth.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"
			 x:DataType="vm:MainWindowViewModel"
			    xmlns:vm="using:Auth.ViewModels"
             mc:Ignorable="d" d:DesignWidth="800" d:DesignHeight="450"
             x:Class="Auth.Auth">

	<Design.DataContext>
		<!-- This only sets the DataContext for the previewer in an IDE,
           to set the actual DataContext for runtime, set the DataContext property in code (look at App.axaml.cs) -->
		<vm:AuthVM/>
	</Design.DataContext>
	
	<StackPanel HorizontalAlignment="Center" VerticalAlignment="Center">

		<TextBox Text ="{Binding Auth_VM.Login}" IsEnabled="{Binding Auth_VM.Enabled}" HorizontalAlignment="Center" VerticalAlignment="Center" Margin="10" Width="200"/>
		<TextBox Text ="{Binding Auth_VM.Password}" IsEnabled="{Binding Auth_VM.Enabled}"  HorizontalAlignment="Center" VerticalAlignment="Center" Width="200"/>
		<Button Command="{Binding Knopka}" IsEnabled="{Binding Auth_VM.Enabled}" IsVisible="{Binding Auth_VM.Visible}" HorizontalAlignment="Center">Авторизация</Button>
		<UserControl Content="{Binding Auth_VM.Canva}" IsVisible="{Binding Auth_VM.VisibleText}"></UserControl>
		<TextBox Text ="{Binding Auth_VM.Proverka}" IsVisible="{Binding Auth_VM.VisibleText}" HorizontalAlignment="Center" VerticalAlignment="Center" Width="200"/>
		<Button Command="{Binding ButtonPro}" IsVisible="{Binding Auth_VM.VisibleText}" HorizontalAlignment="Center">Подтвердить</Button>
		
	</StackPanel>
</UserControl>