Optimize Nic selector list order

Author: CodingOctocat

IPConfig/Models/SimpleNicType.cs

@@ -3,6 +3,28 @@
 
 namespace IPConfig.Models;
 
+public class ConnectionTypeComparer : IComparer<ConnectionType>
+{
+    public static readonly ConnectionTypeComparer Instance = new();
+
+    public int Compare(ConnectionType x, ConnectionType y)
+    {
+        int xOrder = GetConnectionTypeOrder(x);
+        int yOrder = GetConnectionTypeOrder(y);
+
+        return xOrder.CompareTo(yOrder);
+    }
+
+    private static int GetConnectionTypeOrder(ConnectionType connectionType)
+    {
+        return connectionType switch {
+            ConnectionType.Ethernet => 0,
+            ConnectionType.Wlan => 1,
+            _ => throw new ArgumentOutOfRangeException(nameof(connectionType), connectionType, null)
+        };
+    }
+}
+
 public enum ConnectionType
 {
     Other,

IPConfig/ViewModels/NicViewModel.cs

@@ -378,6 +378,7 @@ private async Task<List<Nic>> GetAllNicsAsync()
                                 ? (int)x.OperationalStatus
                                 : Int32.MaxValue)
                         .ThenBy(x => x.SimpleNicType, SimpleNicTypeComparer.Instance)
+                        .ThenBy(x => x.ConnectionType, ConnectionTypeComparer.Instance)
                         .ThenBy(x => x.Name)
                         .ToList());