semesterWork/Presence.Desktop/Views/GroupView.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"
		xmlns:vm="using:Presence.Desktop.ViewModels"
        mc:Ignorable="d" d:DesignWidth="800" d:DesignHeight="450"
        x:Class="Presence.Desktop.Views.GroupView"
		x:DataType="vm:GroupViewModel">

	<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:GroupViewModel/>
	</Design.DataContext>

	<DockPanel>
		<StackPanel DockPanel.Dock="Top" Orientation="Horizontal" Margin="10">
			<TextBlock Text="Group:" VerticalAlignment="Center" Margin="0,0,5,0" />


			<ComboBox ItemsSource="{Binding Groups}"
						  SelectedItem="{Binding SelectedGroupItem}"
						  Width="200" Margin="0,0,10,0">
				<ComboBox.ItemTemplate>
					<DataTemplate>
						<TextBlock Text="{Binding GroupName}" />
					</DataTemplate>
				</ComboBox.ItemTemplate>
			</ComboBox>

			<TextBlock Text="Sort:" VerticalAlignment="Center" Margin="0,0,5,0" />
			<ComboBox ItemsSource="{Binding SortingOptions}"
					  SelectedItem="{Binding SelectedSortingOption}"
					  Width="200" Margin="0,0,10,0" />

			<Button Content="Remove all"
					Command="{Binding RemoveAllStudentsCommand}"
					Margin="10,0,0,0" />

			<Button Content="Import students"
					Command="{Binding ImportStudentsCommand}"
					Margin="10,0,0,0"/>

			<Button Content="Swap to presences"
                    Click="SwapToPresences"
                    Margin="10,0,0,0"/>
		</StackPanel>

		<Border BorderBrush="Gray" BorderThickness="1" Margin="10" CornerRadius="5">
			<ListBox ItemsSource="{Binding Students}"
					 SelectionMode="Multiple"
					 SelectedItems="{Binding SelectedStudents}"
                     SelectionChanged="SelectingItemsControl_OnSelectionChanged"
					 BorderThickness="0">
				<ListBox.ItemTemplate>
					<DataTemplate>
						<StackPanel Orientation="Horizontal" Margin="5">
							<TextBlock Text="{Binding FirstName}" FontWeight="Bold" Margin="0,0,10,0" />
							<TextBlock Text="{Binding LastName}" FontWeight="Bold" Margin="0,0,10,0" />
							<TextBlock Text="{Binding Patronymic}" FontWeight="Bold" Margin="0,0,10,0" />
						</StackPanel>
					</DataTemplate>
				</ListBox.ItemTemplate>

				<ListBox.ContextMenu>
					<ContextMenu>
						<MenuItem Header="Delete selected students"
								  Command="{Binding RemoveSelectedStudentsCommand}"
								  IsVisible="{Binding IsMultipleSelection}"
						   />
						<MenuItem Header="Remove"
								  Command="{Binding RemoveSelectedStudentsCommand}"
								  IsVisible="{Binding IsSingleSelection}"
						  />
						<MenuItem Header="Edit"
								  IsVisible="{Binding IsSingleSelection}"/>
					</ContextMenu>
				</ListBox.ContextMenu>
			</ListBox>
		</Border>
	</DockPanel>
</Window>