avalonia/AvaloniaApplication1/Views/MainPage.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="AvaloniaApplication1.MainPage"
			 xmlns:vm="using:AvaloniaApplication1.ViewModels"
			 x:DataType="vm:MainPageViewModel"
			 xmlns:conv="using:AvaloniaApplication1.Resources">

	<UserControl.Resources>
		<conv:ImageConverter x:Key="myImageConverter"/>
	</UserControl.Resources>
	<Grid RowDefinitions="50,*" Grid.Column="1" Grid.Row="1">
		<StackPanel Orientation="Horizontal">
			<TextBox Text="{Binding Search}" Width="200" Watermark="Введите имя: "></TextBox>
			<ComboBox ItemsSource="{Binding Genders}" SelectedItem="{Binding SelectedGender}">
				<ComboBox.ItemTemplate>
					<DataTemplate>
						<TextBlock Text="{Binding Title}"/>
					</DataTemplate>
				</ComboBox.ItemTemplate>
			</ComboBox>
			<StackPanel Orientation="Horizontal">
				<RadioButton Content="По возрастанию" Command="{Binding OrderByAge}" CommandParameter="1"></RadioButton>
				<RadioButton Content="По убыванию" Command="{Binding OrderByAge}" CommandParameter="2"></RadioButton>
			</StackPanel>
		</StackPanel>
		<ListBox ItemsSource="{Binding Smeshariki}" Grid.Row="1">
			<ListBox.ItemTemplate>
				<DataTemplate>
					<StackPanel Orientation="Horizontal">
						<Image Source="{Binding Image, Converter= {StaticResource myImageConverter}}" Width="100" Height="100"/>
						<StackPanel Orientation="Horizontal">
							<StackPanel>
								<TextBlock Text="{Binding Name, StringFormat= Имя: {0}}"></TextBlock>
								<TextBlock Text="{Binding Animal, StringFormat= Животное: {0}}"></TextBlock>
								<TextBlock Text="{Binding Age, StringFormat= Возраст: {0}}"></TextBlock>
								<TextBlock Text="{Binding GenderNavigation.Title, StringFormat= Пол: {0}}"></TextBlock>
								<Button Content="Удалить" Command="{Binding $parent[UserControl].((vm:MainPageViewModel)DataContext).Drop}" CommandParameter="{Binding Id}"/>
								<Button Content="Изменить" Command="{Binding $parent[UserControl].((vm:MainPageViewModel)DataContext).Update}" CommandParameter="{Binding Id}"/>
							</StackPanel>
							<ListBox ItemsSource="{Binding IdProperties}" Width="150" IsVisible="{Binding IdProperties.Count}">
								<ListBox.ItemTemplate>
									<DataTemplate>
										<TextBlock Text="{Binding Title}" Foreground="Black"/>
									</DataTemplate>
								</ListBox.ItemTemplate>
								
							</ListBox>
						</StackPanel>
					</StackPanel>
				</DataTemplate>
			</ListBox.ItemTemplate>
		</ListBox>
	</Grid>
</UserControl>