From 8e000159e71593dd7e8bab3c6f50271a844c1e39 Mon Sep 17 00:00:00 2001
From: lindexi <lindexi_gd@163.com>
Date: Sat, 20 Jun 2020 16:43:53 +0800
Subject: [PATCH] Make the locker as readonly

---
 .../Collections/ManualObservableCollection!1.cs                 | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/Shared/HandyControl_Shared/Collections/ManualObservableCollection!1.cs b/src/Shared/HandyControl_Shared/Collections/ManualObservableCollection!1.cs
index 39abfc7e..c4daa2c3 100644
--- a/src/Shared/HandyControl_Shared/Collections/ManualObservableCollection!1.cs
+++ b/src/Shared/HandyControl_Shared/Collections/ManualObservableCollection!1.cs
@@ -9,7 +9,7 @@ namespace HandyControl.Collections
     [Serializable]
     public class ManualObservableCollection<T> : Collection<T>, INotifyCollectionChanged, INotifyPropertyChanged
     {
-        private SimpleMonitor _monitor = new SimpleMonitor();
+        private readonly SimpleMonitor _monitor = new SimpleMonitor();
 
         private const string CountString = "Count";