From be4614e4236977a93833c6091a1a52ea47c9e469 Mon Sep 17 00:00:00 2001
From: Steven Kirk <grokys@gmail.com>
Date: Thu, 9 Sep 2021 15:19:48 +0200
Subject: [PATCH] Fix errors with old SDK.

---
 src/Avalonia.Controls/ItemsSourceView.cs | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/Avalonia.Controls/ItemsSourceView.cs b/src/Avalonia.Controls/ItemsSourceView.cs
index e8869d6d0c..ca95b7acc8 100644
--- a/src/Avalonia.Controls/ItemsSourceView.cs
+++ b/src/Avalonia.Controls/ItemsSourceView.cs
@@ -44,9 +44,9 @@ namespace Avalonia.Controls
             source = source ?? throw new ArgumentNullException(nameof(source));
             _inner = source switch
             {
-                ItemsSourceView => throw new ArgumentException("Cannot wrap an existing ItemsSourceView.", nameof(source)),
+                ItemsSourceView _ => throw new ArgumentException("Cannot wrap an existing ItemsSourceView.", nameof(source)),
                 IList list => list,
-                INotifyCollectionChanged => throw new ArgumentException(
+                INotifyCollectionChanged _ => throw new ArgumentException(
                     "Collection implements INotifyCollectionChanged by not IList.",
                     nameof(source)),
                 IEnumerable<object> iObj => new List<object>(iObj),