From 8a7f10d5597a197d357e0c8b480872c02cc63613 Mon Sep 17 00:00:00 2001
From: Michael Hawker <24302614+michael-hawker@users.noreply.github.com>
Date: Tue, 28 Apr 2026 10:33:53 -0700
Subject: [PATCH] Fix for DataColumn to resize with keyboard

See issue https://github.com/CommunityToolkit/Windows/issues/849 from the Toolkit where it's hard for us to respond here, we need a bit of thinking about how to best respond here.
---
 components/DataTable/src/DataTable/DataColumn.cs | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/components/DataTable/src/DataTable/DataColumn.cs b/components/DataTable/src/DataTable/DataColumn.cs
index b5a6ea143..619ef9daa 100644
--- a/components/DataTable/src/DataTable/DataColumn.cs
+++ b/components/DataTable/src/DataTable/DataColumn.cs
@@ -81,6 +81,7 @@ protected override void OnApplyTemplate()
             PART_ColumnSizer.TargetControl = null;
             PART_ColumnSizer.ManipulationDelta -= this.PART_ColumnSizer_ManipulationDelta;
             PART_ColumnSizer.ManipulationCompleted -= this.PART_ColumnSizer_ManipulationCompleted;
+            PART_ColumnSizer.KeyUp -= this.PART_ColumnSizer_KeyUp;
         }
 
         PART_ColumnSizer = GetTemplateChild(nameof(PART_ColumnSizer)) as ContentSizer;
@@ -90,6 +91,7 @@ protected override void OnApplyTemplate()
             PART_ColumnSizer.TargetControl = this;
             PART_ColumnSizer.ManipulationDelta += this.PART_ColumnSizer_ManipulationDelta;
             PART_ColumnSizer.ManipulationCompleted += this.PART_ColumnSizer_ManipulationCompleted;
+            PART_ColumnSizer.KeyUp += this.PART_ColumnSizer_KeyUp;
         }
 
         // Get DataTable parent weak reference for when we manipulate columns.
@@ -102,6 +104,11 @@ protected override void OnApplyTemplate()
         base.OnApplyTemplate();
     }
 
+    private void PART_ColumnSizer_KeyUp(object sender, KeyRoutedEventArgs e)
+    {
+        ColumnResizedByUserSizer();
+    }
+
     private void PART_ColumnSizer_ManipulationDelta(object sender, ManipulationDeltaRoutedEventArgs e)
     {
         ColumnResizedByUserSizer();