GazpromApp/Views/MainWindow.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:anim="https://github.com/whistyun/AnimatedImage.Avalonia"
        xmlns:vm="using:GazpromApp.ViewModels"
        mc:Ignorable="d" d:DesignWidth="1024" d:DesignHeight="600"
        Width="1024" Height="600"
        x:Class="GazpromApp.Views.MainWindow"
        x:DataType="vm:MainWindowViewModel"
        x:Name="Window"
        Icon="/Assets/gazpromapp.ico"
        Title="GazpromApp"
        WindowStartupLocation="CenterScreen">
  <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:MainWindowViewModel/>
  </Design.DataContext>
  <Window.Resources>
    <ResourceDictionary>
      <ResourceDictionary.ThemeDictionaries>
        <ResourceDictionary x:Key="Light">
          <SolidColorBrush x:Key="BackgroundBrush" Color="#f0f0f0"/>
          <SolidColorBrush x:Key="BorderBrush" Color="#d3d3d3"/>
        </ResourceDictionary>
        <ResourceDictionary x:Key="Dark">
          <!-- ReSharper disable once Xaml.RedundantResource -->
          <SolidColorBrush x:Key="BackgroundBrush" Color="#101010"/>
          <!-- ReSharper disable once Xaml.RedundantResource -->
          <SolidColorBrush x:Key="BorderBrush" Color="#303030"/>
        </ResourceDictionary>
      </ResourceDictionary.ThemeDictionaries>
    </ResourceDictionary>
  </Window.Resources>

  <DockPanel x:Name="Root">
    <Menu DockPanel.Dock="Top">
      <MenuItem Command="{Binding AddPointCommand}">
        <MenuItem.Header>
          <StackPanel Orientation="Horizontal">
            <Image Width="24" Height="24" Source="avares://GazpromApp/Assets/ic_fluent_home_add_24_filled (Custom).png"/>
            <TextBlock Margin="8,0,0,0" Text="Добавить" VerticalAlignment="Center"/>
          </StackPanel>
        </MenuItem.Header>
      </MenuItem>
      <MenuItem Command="{Binding ExportPointCommand}"
                CommandParameter="{Binding #Window}">
        <MenuItem.Header>
          <StackPanel Orientation="Horizontal">
            <Image Width="24" Height="24" Source="avares://GazpromApp/Assets/ic_fluent_arrow_export_ltr_24_filled (Custom).png"/>
            <TextBlock Margin="8,0,0,0" Text="Экспорт" VerticalAlignment="Center"/>
          </StackPanel>
        </MenuItem.Header>
      </MenuItem>
      <MenuItem Command="{Binding ImportPointCommand}"
                CommandParameter="{Binding #Window}">
        <MenuItem.Header>
          <StackPanel Orientation="Horizontal">
            <Image Width="24" Height="24" Source="avares://GazpromApp/Assets/ic_fluent_arrow_import_24_filled (Custom).png"/>
            <TextBlock Margin="8,0,0,0" Text="Импорт" VerticalAlignment="Center"/>
          </StackPanel>
        </MenuItem.Header>
      </MenuItem>
    </Menu>
    <Grid DockPanel.Dock="Top" HorizontalAlignment="Stretch" 
          ColumnDefinitions="*,*,100">
      <Grid.RowDefinitions>
        <RowDefinition Height="*"/>
        <RowDefinition MaxHeight="50"/>
      </Grid.RowDefinitions>
      <ScrollViewer Grid.ColumnSpan="3">
        <StackPanel Orientation="Vertical">
          <ItemsRepeater ItemsSource="{Binding Points}">
            <ItemsRepeater.Layout>
              <StackLayout Orientation="Vertical"/>
            </ItemsRepeater.Layout>
            <ItemsRepeater.ItemTemplate>
              <DataTemplate DataType="vm:PointViewModel">
                <Border CornerRadius="4" BorderThickness="1" Margin="6"
                        Background="{DynamicResource BackgroundBrush}"
                        BorderBrush="{DynamicResource BorderBrush}">
                  <Grid Margin="6">
                    <Grid.ColumnDefinitions>
                      <ColumnDefinition Width="Auto" MaxWidth="300"/>
                      <ColumnDefinition />
                      <ColumnDefinition Width="Auto" />
                      <ColumnDefinition Width="Auto" />
                    </Grid.ColumnDefinitions>
                    <TextBlock  FontSize="24" Margin="4" VerticalAlignment="Center"
                                Grid.Column="0" 
                                Text="{Binding Name}"/>
                    <TextBlock Margin="4" VerticalAlignment="Center" 
                               Grid.Column="1" 
                               Text="{Binding Description}"/>
                    <Button Grid.Column="2"
                            Command="{Binding #Root.((vm:MainWindowViewModel)DataContext).EditPointCommand}"
                            CommandParameter="{Binding .}"
                            Margin="4">
                      <Image Source="avares://GazpromApp/Assets/ic_fluent_edit_24_filled (Custom).png"/>
                    </Button>
                    <Button Grid.Column="3"
                            Command="{Binding #Root.((vm:MainWindowViewModel)DataContext).RemovePointCommand}"
                            CommandParameter="{Binding .}"
                            Margin="4">
                      <Image Source="avares://GazpromApp/Assets/ic_fluent_delete_24_filled (Custom).png"/>
                    </Button>
                  </Grid>
                </Border>
              </DataTemplate>
            </ItemsRepeater.ItemTemplate>
          </ItemsRepeater>
        </StackPanel>
      </ScrollViewer>
      <Image Width="100" Height="100" VerticalAlignment="Center" 
             IsVisible="{Binding IsLoading}"
             HorizontalAlignment="Center" 
             Grid.Row="0" Grid.Column="0" 
             Grid.ColumnSpan="3" Grid.RowSpan="2" 
             anim:ImageBehavior.AnimatedSource="avares://GazpromApp/Assets/loading.gif"/>
    </Grid>
  </DockPanel>
</Window>