From 9933de07fd2f1aad2950e1ed84d13f0a0a572edf Mon Sep 17 00:00:00 2001
From: Max Katz <maxkatz6@outlook.com>
Date: Fri, 22 Jan 2021 19:37:02 -0500
Subject: [PATCH] Override default value instead of setting local value in
 LightDismissOverlayLayer

---
 .../Primitives/LightDismissOverlayLayer.cs                  | 6 ++++++
 src/Avalonia.Controls/Primitives/VisualLayerManager.cs      | 1 -
 2 files changed, 6 insertions(+), 1 deletion(-)

diff --git a/src/Avalonia.Controls/Primitives/LightDismissOverlayLayer.cs b/src/Avalonia.Controls/Primitives/LightDismissOverlayLayer.cs
index 752eedb68a..1d655bb691 100644
--- a/src/Avalonia.Controls/Primitives/LightDismissOverlayLayer.cs
+++ b/src/Avalonia.Controls/Primitives/LightDismissOverlayLayer.cs
@@ -2,6 +2,7 @@ using System;
 using System.Linq;
 using Avalonia.Controls.Templates;
 using Avalonia.Input;
+using Avalonia.Media;
 using Avalonia.Rendering;
 using Avalonia.Styling;
 using Avalonia.VisualTree;
@@ -17,6 +18,11 @@ namespace Avalonia.Controls.Primitives
     {
         public IInputElement? InputPassThroughElement { get; set; }
 
+        static LightDismissOverlayLayer()
+        {
+            BackgroundProperty.OverrideDefaultValue<LightDismissOverlayLayer>(Brushes.Transparent);
+        }
+
         /// <summary>
         /// Returns the light dismiss overlay for a specified visual.
         /// </summary>
diff --git a/src/Avalonia.Controls/Primitives/VisualLayerManager.cs b/src/Avalonia.Controls/Primitives/VisualLayerManager.cs
index d8d3450c6f..e5e27c169a 100644
--- a/src/Avalonia.Controls/Primitives/VisualLayerManager.cs
+++ b/src/Avalonia.Controls/Primitives/VisualLayerManager.cs
@@ -74,7 +74,6 @@ namespace Avalonia.Controls.Primitives
                 {
                     rv = new LightDismissOverlayLayer
                     {
-                        Background = Brushes.Transparent,
                         IsVisible = false
                     };