From 102302999c6abc734c4ca19415e9c3ea88cd82ad Mon Sep 17 00:00:00 2001
From: Steven Kirk <grokys@gmail.com>
Date: Fri, 22 Jul 2022 09:49:03 +0200
Subject: [PATCH] Added Clear method.

---
 .../Utilities/AvaloniaPropertyDictionary.cs      | 16 ++++++++++++++++
 1 file changed, 16 insertions(+)

diff --git a/src/Avalonia.Base/Utilities/AvaloniaPropertyDictionary.cs b/src/Avalonia.Base/Utilities/AvaloniaPropertyDictionary.cs
index 79d52868e3..5c7d7d8605 100644
--- a/src/Avalonia.Base/Utilities/AvaloniaPropertyDictionary.cs
+++ b/src/Avalonia.Base/Utilities/AvaloniaPropertyDictionary.cs
@@ -103,6 +103,22 @@ namespace Avalonia.Utilities
                 ThrowDuplicate();
             InsertEntry(new Entry(property, value), index);
         }
+        
+        /// <summary>
+        /// Removes all keys and values from the collection.
+        /// </summary>
+        /// <remarks>
+        /// The Count property is set to 0, and references to other objects from elements of the
+        /// collection are also released. The capacity remains unchanged.
+        /// </remarks>
+        public void Clear()
+        {
+            if (_entries is not null)
+            {
+                Array.Clear(_entries, 0, _entries.Length);
+                _entryCount = 0;
+            }
+        }
 
         /// <summary>
         /// Determines whether the collection contains the specified key.