From c37b911fe5a8af3dcca826d556d88c70f3f64e68 Mon Sep 17 00:00:00 2001
From: Dariusz Komosinski <darek.komosinski@gmail.com>
Date: Sun, 8 Sep 2019 17:33:41 +0200
Subject: [PATCH] Seal unlock classes.

---
 src/Avalonia.Native/AvaloniaNativeDeferredRendererLock.cs     | 2 +-
 src/Avalonia.Visuals/Rendering/ManagedDeferredRendererLock.cs | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/Avalonia.Native/AvaloniaNativeDeferredRendererLock.cs b/src/Avalonia.Native/AvaloniaNativeDeferredRendererLock.cs
index 0031cc5b03..ce2b03e355 100644
--- a/src/Avalonia.Native/AvaloniaNativeDeferredRendererLock.cs
+++ b/src/Avalonia.Native/AvaloniaNativeDeferredRendererLock.cs
@@ -24,7 +24,7 @@ namespace Avalonia.Native
             return null;
         }
 
-        private class UnlockDisposable : IDisposable
+        private sealed class UnlockDisposable : IDisposable
         {
             private IAvnWindowBase _window;
 
diff --git a/src/Avalonia.Visuals/Rendering/ManagedDeferredRendererLock.cs b/src/Avalonia.Visuals/Rendering/ManagedDeferredRendererLock.cs
index a87fc9e39f..259874423e 100644
--- a/src/Avalonia.Visuals/Rendering/ManagedDeferredRendererLock.cs
+++ b/src/Avalonia.Visuals/Rendering/ManagedDeferredRendererLock.cs
@@ -30,7 +30,7 @@ namespace Avalonia.Rendering
             return new UnlockDisposable(_lock);
         }
 
-        private class UnlockDisposable : IDisposable
+        private sealed class UnlockDisposable : IDisposable
         {
             private object _lock;