User_Roles/Users_Roles/Views/AddUserV.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"
                xmlns:vm="using:Users_Roles.ViewModels"
			 mc:Ignorable="d" d:DesignWidth="800" d:DesignHeight="450"
                x:DataType="vm:AddUserVM"
				xmlns:conv="using:Users_Roles.Converters"
			 x:Class="Users_Roles.AddUserV">
	<UserControl.Resources>
		<conv:ImageConverter x:Key="myImageConverter"/>
	</UserControl.Resources>
	<StackPanel HorizontalAlignment="Center" VerticalAlignment="Center" >
		<StackPanel>
			<Border Classes ="trash">
				<StackPanel>
				<TextBlock>ФИО</TextBlock>
				<TextBox Text="{Binding NewUser.Fio}"></TextBox>
				<TextBlock>Логин</TextBlock>
				<TextBox Text="{Binding NewUser.Login}"></TextBox>
				<TextBlock>Пароль</TextBlock>
				<TextBox PasswordChar="*" Text="{Binding NewPassword}"></TextBox>
				<Button Command="{Binding AddOnePhoto}">Выбрать фото</Button>
				<Button Command="{Binding AddUser}" Content="{Binding MessageButton}"/>
				<TextBlock Foreground="Red" Text="{Binding Massege}"></TextBlock>
				</StackPanel>
			</Border>
		</StackPanel>
	</StackPanel>
</UserControl>