From 09069e28b22350e2338d5065848e89a8366a36f6 Mon Sep 17 00:00:00 2001
From: Dan Walmsley <dan@walms.co.uk>
Date: Fri, 2 Oct 2020 10:00:38 +0100
Subject: [PATCH] fix implementation.

---
 src/Avalonia.Controls/TreeView.cs | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/Avalonia.Controls/TreeView.cs b/src/Avalonia.Controls/TreeView.cs
index 560cd9e810..f0e00e1d7e 100644
--- a/src/Avalonia.Controls/TreeView.cs
+++ b/src/Avalonia.Controls/TreeView.cs
@@ -223,7 +223,7 @@ namespace Avalonia.Controls
             SelectedItems.Add(item);
             _syncingSelectedItems = false;
 
-            this.RaisePropertyChanged(SelectedItemProperty, oldValue, item);
+            SetAndRaise(SelectedItemProperty, ref _selectedItem, item);            
         }
 
         /// <summary>