From d9aab14c085b5ae32a10d5ef5b8efe78c96ac842 Mon Sep 17 00:00:00 2001
From: Dariusz Komosinski <darek.komosinski@gmail.com>
Date: Sat, 7 Dec 2019 18:56:15 +0100
Subject: [PATCH] Fix enumerator boxing case in visual hit testing.

---
 src/Avalonia.Visuals/Rendering/SceneGraph/VisualNode.cs | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/src/Avalonia.Visuals/Rendering/SceneGraph/VisualNode.cs b/src/Avalonia.Visuals/Rendering/SceneGraph/VisualNode.cs
index d2a9e0a673d..93d68e52302 100644
--- a/src/Avalonia.Visuals/Rendering/SceneGraph/VisualNode.cs
+++ b/src/Avalonia.Visuals/Rendering/SceneGraph/VisualNode.cs
@@ -280,8 +280,13 @@ public VisualNode Clone(IVisualNode parent)
         /// <inheritdoc/>
         public bool HitTest(Point p)
         {
-            foreach (var operation in DrawOperations)
+            var drawOperations = DrawOperations;
+            var drawOperationsCount = drawOperations.Count;
+
+            for (var i = 0; i < drawOperationsCount; i++)
             {
+                var operation = drawOperations[i];
+
                 if (operation?.Item?.HitTest(p) == true)
                 {
                     return true;