From 32f83949f65c231206d8edd268f4cd4253bff11e Mon Sep 17 00:00:00 2001
From: erri120 <erri120@fossmailer.de>
Date: Wed, 14 Aug 2024 14:30:39 +0200
Subject: [PATCH] Expose comparer

---
 src/ObservableCollections/ObservableDictionary.cs | 11 +++++++++++
 src/ObservableCollections/ObservableHashSet.cs    | 11 +++++++++++
 2 files changed, 22 insertions(+)

diff --git a/src/ObservableCollections/ObservableDictionary.cs b/src/ObservableCollections/ObservableDictionary.cs
index 5bb9a6f..e1c3d27 100644
--- a/src/ObservableCollections/ObservableDictionary.cs
+++ b/src/ObservableCollections/ObservableDictionary.cs
@@ -224,5 +224,16 @@ namespace ObservableCollections
         {
             return GetEnumerator();
         }
+
+        public IEqualityComparer<TKey> Comparer
+        {
+            get
+            {
+                lock (SyncRoot)
+                {
+                    return dictionary.Comparer;
+                }
+            }
+        }
     }
 }
diff --git a/src/ObservableCollections/ObservableHashSet.cs b/src/ObservableCollections/ObservableHashSet.cs
index 655ecf2..08076cc 100644
--- a/src/ObservableCollections/ObservableHashSet.cs
+++ b/src/ObservableCollections/ObservableHashSet.cs
@@ -264,5 +264,16 @@ namespace ObservableCollections
         {
             return GetEnumerator();
         }
+
+        public IEqualityComparer<T> Comparer
+        {
+            get
+            {
+                lock (SyncRoot)
+                {
+                    return set.Comparer;
+                }
+            }
+        }
     }
 }