From c619d1f0d4ceb92cb8bfe6d6bad2f4bceb8954a3 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Dariusz=20Komosi=C5=84ski?= <darek.komosinski@gmail.com>
Date: Wed, 4 Sep 2019 13:55:33 +0200
Subject: [PATCH] Cache delegate used for hit testing.

---
 src/Avalonia.Input/InputExtensions.cs | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/src/Avalonia.Input/InputExtensions.cs b/src/Avalonia.Input/InputExtensions.cs
index c1d0729560..f83c41e266 100644
--- a/src/Avalonia.Input/InputExtensions.cs
+++ b/src/Avalonia.Input/InputExtensions.cs
@@ -13,6 +13,8 @@ namespace Avalonia.Input
     /// </summary>
     public static class InputExtensions
     {
+        private static readonly Func<IVisual, bool> s_hitTestDelegate = IsHitTestVisible;
+
         /// <summary>
         /// Returns the active input elements at a point on an <see cref="IInputElement"/>.
         /// </summary>
@@ -25,7 +27,7 @@ namespace Avalonia.Input
         {
             Contract.Requires<ArgumentNullException>(element != null);
 
-            return element.GetVisualsAt(p, IsHitTestVisible).Cast<IInputElement>();
+            return element.GetVisualsAt(p, s_hitTestDelegate).Cast<IInputElement>();
         }
 
         /// <summary>