From 8b490152d49b1cc310faf86a2aebdc52fd5f1760 Mon Sep 17 00:00:00 2001
From: dif-sam <41672086+dif-sam@users.noreply.github.com>
Date: Mon, 5 Dec 2022 23:49:13 +0400
Subject: [PATCH] Increase GenerateElement performance

Use ability of the IRecyclingDataTemplate to speed up performance, when CellTemplate is an instance of DataTemplate type.
---
 src/Avalonia.Controls.DataGrid/DataGridTemplateColumn.cs | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/src/Avalonia.Controls.DataGrid/DataGridTemplateColumn.cs b/src/Avalonia.Controls.DataGrid/DataGridTemplateColumn.cs
index 3ec78d6d6a..3649ec4308 100644
--- a/src/Avalonia.Controls.DataGrid/DataGridTemplateColumn.cs
+++ b/src/Avalonia.Controls.DataGrid/DataGridTemplateColumn.cs
@@ -64,9 +64,11 @@ namespace Avalonia.Controls
 
         protected override Control GenerateElement(DataGridCell cell, object dataItem)
         {
-            if(CellTemplate != null)
+            if (CellTemplate != null)
             {
-                return CellTemplate.Build(dataItem);
+                return (CellTemplate is IRecyclingDataTemplate recyclingDataTemplate)
+                    ? recyclingDataTemplate.Build(dataItem, cell.Content as IControl)
+                    : CellTemplate.Build(dataItem);
             }
             if (Design.IsDesignMode)
             {