From 5fb1cf9f829c437befd163ea9ab6b5657e03e1af Mon Sep 17 00:00:00 2001
From: Julien Lebosquain <julien@lebosquain.net>
Date: Mon, 26 Jun 2023 11:43:44 +0200
Subject: [PATCH] Fix DataGridColumn.CellStyleClasses not settable from xaml

---
 src/Avalonia.Controls.DataGrid/DataGridColumn.cs | 14 ++------------
 1 file changed, 2 insertions(+), 12 deletions(-)

diff --git a/src/Avalonia.Controls.DataGrid/DataGridColumn.cs b/src/Avalonia.Controls.DataGrid/DataGridColumn.cs
index d28c0969c4..a5695afeb7 100644
--- a/src/Avalonia.Controls.DataGrid/DataGridColumn.cs
+++ b/src/Avalonia.Controls.DataGrid/DataGridColumn.cs
@@ -38,7 +38,7 @@ namespace Avalonia.Controls
         private ICellEditBinding _editBinding;
         private IBinding _clipboardContentBinding;
         private ControlTheme _cellTheme;
-        private readonly Classes _cellStyleClasses = new Classes();
+        private Classes _cellStyleClasses;
 
         /// <summary>
         /// Initializes a new instance of the <see cref="T:Avalonia.Controls.DataGridColumn" /> class.
@@ -393,17 +393,7 @@ namespace Avalonia.Controls
             }
         }
 
-        public Classes CellStyleClasses
-        {
-            get => _cellStyleClasses;
-            set
-            {
-                if(_cellStyleClasses != value)
-                {
-                    _cellStyleClasses.Replace(value);
-                }
-            }
-        }
+        public Classes CellStyleClasses => _cellStyleClasses ??= new();
 
         /// <summary>
         ///    Backing field for CellTheme property.