Modifying points works

Views/MainWindow.axaml

@@ -4,6 +4,7 @@
         xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
         xmlns:vm="using:GazpromApp.ViewModels"
         mc:Ignorable="d" d:DesignWidth="800" d:DesignHeight="450"
+        Width="1424" Height="714"
         x:Class="GazpromApp.Views.MainWindow"
         x:DataType="vm:MainWindowViewModel"
         Icon="/Assets/avalonia-logo.ico"
@@ -58,7 +59,13 @@
           <ItemsControl ItemsSource="{Binding Points}">
             <ItemsControl.ItemTemplate>
               <DataTemplate DataType="vm:PointViewModel">
-                <Grid ColumnDefinitions="200, *, Auto, Auto" Margin="10,6,18,6" RowDefinitions="12, Auto">
+                <Grid Margin="10,6,18,6" RowDefinitions="12, Auto">
+                  <Grid.ColumnDefinitions>
+                    <ColumnDefinition Width="Auto" MaxWidth="300"/>
+                    <ColumnDefinition />
+                    <ColumnDefinition Width="Auto" />
+                    <ColumnDefinition Width="Auto" />
+                  </Grid.ColumnDefinitions>
                   <Rectangle Margin="-2,0,-2,5" Grid.ColumnSpan="4" Height="1" Fill="Gray" Opacity="0.25" VerticalAlignment="Top"/>
                   <TextBlock Grid.Row="1" Grid.Column="0" Text="{Binding Name}" FontSize="24" Margin="4" VerticalAlignment="Center"/>
                   <TextBlock Grid.Row="1" Grid.Column="1" Text="{Binding Description}" Margin="4" VerticalAlignment="Center"/>