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DataPRO/IService/.svn/pristine/8e/8ef60913184b7c262827113219ec5e350c35ce7c.svn-base

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+using DTS.Common.Interface.DASFactory;
+using System;
+using System.Collections.Generic;
+
+namespace DTS.DASLib.Service.Interfaces
+{
+    // Custom comparer for the IDASCommunication class.
+    public class IDASCommunicationComparer : IComparer<IDASCommunication>
+    {
+        public int Compare(IDASCommunication x, IDASCommunication y)
+        {
+            if (x == null && y == null)
+            {
+                return 0;
+            }
+
+            if (x != null && y == null)
+            {
+                return 1;
+            }
+
+            if (x == null && y != null)
+            {
+                return -1;
+            }
+
+            // Check whether the compared objects reference the same data.
+            if (Object.ReferenceEquals(x, y))
+            {
+                return 0;
+            }
+
+            // Check whether the GainInfos' properties are equal.
+            return x.SerialNumber.CompareTo(y.SerialNumber);
+        }
+    }
+}