Minor changes

src/DiscoveredDeviceViewModel.cs

@@ -109,14 +109,11 @@ public partial class DiscoveredDeviceViewModel : ObservableObject, IDisposable
   public async Task GetFurtherInformationAsync()
   {
     _ssdpDevice = await _device.GetDeviceInfo().ConfigureAwait(false);
-    FriendlyName = _ssdpDevice.ModelDescription;
+    FriendlyName = _ssdpDevice.FriendlyName;
     Icon = _ssdpDevice.Icons.MinBy(x => x.Height);
     PresentationUrl = _ssdpDevice.PresentationUrl;
     ModelNumber = _ssdpDevice.ModelNumber;
     Version = _ssdpDevice.SerialNumber?.Split(',').Last() ?? new Version().ToString();
-    using var client = new HttpClient();
-    var response = await client.GetAsync(_ssdpDevice.ModelUrl).ConfigureAwait(false);
-    ResponseHeader = await response.Content.ReadAsStringAsync();
   }
 
   private string EvaluateHostName() => Dns.GetHostEntry(IpAddress).HostName;
@@ -129,6 +126,8 @@ public partial class DiscoveredDeviceViewModel : ObservableObject, IDisposable
 
   private string EvaluateMacAddress()
   {
+    if (!ArpLookup.Arp.IsSupported)
+      return "not supported";
     var lookupResult = ArpLookup.Arp.Lookup(IpAddress);
     return lookupResult is null ? "Unknown" : string.Join(":", lookupResult.GetAddressBytes().Select(b => $"{b:x2}"));
   }

src/MainWindow.axaml

@@ -1,16 +1,16 @@
 <Window
-    x:Class="SddpViewer.MainWindow"
-    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:sddpViewer="clr-namespace:SddpViewer"
     Title="SDDP viewer"
     d:DesignHeight="450"
     d:DesignWidth="800"
+    mc:Ignorable="d"
+    x:Class="SddpViewer.MainWindow"
     x:CompileBindings="True"
     x:DataType="sddpViewer:MainWindowViewModel"
-    mc:Ignorable="d">
+    xmlns="https://github.com/avaloniaui"
+    xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
+    xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
+    xmlns:sddpViewer="clr-namespace:SddpViewer"
+    xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml">
     <Window.DataContext>
         <sddpViewer:MainWindowViewModel />
     </Window.DataContext>
@@ -18,8 +18,8 @@
         <StackPanel Margin="10" Spacing="5">
             <TextBlock Text="Device IP Address" />
             <ComboBox
-                HorizontalAlignment="Stretch"
                 DisplayMemberBinding="{Binding DisplayName}"
+                HorizontalAlignment="Stretch"
                 ItemsSource="{Binding NetworkAdapters}"
                 SelectedItem="{Binding SelectedNetworkAdapter}" />
             <TextBlock Text="Notification filter" />
@@ -30,7 +30,7 @@
                 <Button Command="{Binding ResearchCommand}" Content="Search more" />
             </StackPanel>
         </StackPanel>
-        <Grid Grid.Row="0" Grid.Column="1">
+        <Grid Grid.Column="1" Grid.Row="0">
             <TextBox
                 IsReadOnly="True"
                 Text="{ReflectionBinding SelectedItem.ResponseHeader,
@@ -38,23 +38,25 @@
                 TextWrapping="Wrap" />
         </Grid>
         <DataGrid
-            x:Name="DevicesDataGrid"
-            Grid.Row="1"
-            Grid.Column="0"
-            Grid.ColumnSpan="2"
             AutoGenerateColumns="False"
             FrozenColumnCount="2"
+            Grid.Column="0"
+            Grid.ColumnSpan="2"
+            Grid.Row="1"
             IsReadOnly="True"
-            ItemsSource="{Binding SddpDevices}">
+            ItemsSource="{Binding SddpDevices}"
+            x:Name="DevicesDataGrid">
             <DataGrid.Columns>
                 <DataGridCheckBoxColumn
-                    Width="50"
                     Binding="{Binding Online}"
-                    IsReadOnly="True" />
+                    IsReadOnly="True"
+                    Width="50" />
                 <DataGridTextColumn Binding="{Binding FriendlyName}" Header="Name" />
-                <DataGridTextColumn Binding="{Binding Usn}" Header="Usn" />
+                <DataGridTextColumn Binding="{Binding DescriptionLocation}" Header="Location" />
+                <!-- <DataGridTextColumn Binding="{Binding Usn}" Header="Usn" /> -->
                 <DataGridTextColumn
-                    Binding="{Binding IpAddress}" CanUserSort="True"
+                    Binding="{Binding IpAddress}"
+                    CanUserSort="True"
                     CustomSortComparer="{StaticResource IpAddressComparer}"
                     Header="Ip address" />
                 <DataGridTextColumn Binding="{Binding HostName}" Header="Hostname" />

src/MainWindowViewModel.cs

@@ -21,35 +21,26 @@ public sealed partial class MainWindowViewModel : ObservableObject, IDisposable
 
   private static async void SddpDevices_OnCollectionChanged(object? sender, NotifyCollectionChangedEventArgs e)
   {
-    try
+    switch (e.Action)
     {
-      switch (e.Action)
+      case NotifyCollectionChangedAction.Add:
-      {
+        await AddAction(e.NewItems);
-        case NotifyCollectionChangedAction.Add:
+        break;
-          await AddAction(e.NewItems);
+      case NotifyCollectionChangedAction.Remove:
-          break;
+        RemoveAction(e.OldItems);
-        case NotifyCollectionChangedAction.Remove:
+        break;
-          RemoveAction(e.OldItems);
+      case NotifyCollectionChangedAction.Replace:
-          break;
+        RemoveAction(e.OldItems);
-        case NotifyCollectionChangedAction.Replace:
+        await AddAction(e.NewItems);
-          RemoveAction(e.OldItems);
+        break;
-          await AddAction(e.NewItems);
+      case NotifyCollectionChangedAction.Reset:
-          break;
+        RemoveAction(sender as ObservableCollection<DiscoveredDeviceViewModel>);
-        case NotifyCollectionChangedAction.Reset:
+        break;
-          RemoveAction(sender as ObservableCollection<DiscoveredDeviceViewModel>);
+      case NotifyCollectionChangedAction.Move:
-          break;
+        break;
-        case NotifyCollectionChangedAction.Move:
+      default:
-          break;
+        throw new ArgumentOutOfRangeException();
-        default:
-          throw new ArgumentOutOfRangeException();
-      }
     }
-    catch (Exception ex)
-    {
-      throw; // TODO handle exception
-    }
-
-    return;
   }
 
   private static void RemoveAction(IList? list)
@@ -119,6 +110,7 @@ public sealed partial class MainWindowViewModel : ObservableObject, IDisposable
       _locator.StopListeningForNotifications();
       _locator.DeviceAvailable -= LocatorOnDeviceAvailable;
       _locator.DeviceUnavailable -= LocatorOnDeviceUnavailable;
+      _locator.Dispose();
     }
 
     await StartListening(async locator =>