From ceac0b8617c6f49e995c06da271fb3ee18a61fe7 Mon Sep 17 00:00:00 2001
From: Elscrux <34755314+Elscrux@users.noreply.github.com>
Date: Tue, 5 Mar 2024 22:38:20 +0100
Subject: [PATCH] Implement DataGridColumnCollection's SetItem (#14469)

Co-authored-by: Max Katz <maxkatz6@outlook.com>
---
 src/Avalonia.Controls.DataGrid/DataGridColumnCollection.cs | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/src/Avalonia.Controls.DataGrid/DataGridColumnCollection.cs b/src/Avalonia.Controls.DataGrid/DataGridColumnCollection.cs
index 798228c84c..35f400c208 100644
--- a/src/Avalonia.Controls.DataGrid/DataGridColumnCollection.cs
+++ b/src/Avalonia.Controls.DataGrid/DataGridColumnCollection.cs
@@ -237,7 +237,8 @@ namespace Avalonia.Controls
 
         protected override void SetItem(int columnIndex, DataGridColumn dataGridColumn)
         {
-            throw new NotSupportedException();
+            RemoveItem(columnIndex);
+            InsertItem(columnIndex, dataGridColumn);
         }
 
         internal bool DisplayInOrder(int columnIndex1, int columnIndex2)