From b5f8e30be462a236432e26fa1cff1a81a290c3d3 Mon Sep 17 00:00:00 2001
From: uye <99072975+ABA2396@users.noreply.github.com>
Date: Mon, 17 Aug 2026 18:08:00 +0800
Subject: [PATCH] fix: Row fails to arrange Cols when the template is
 instantiated while the hosting window is hidden

---
 src/Shared/HandyControl_Shared/Controls/Panel/Grid/Row.cs | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/src/Shared/HandyControl_Shared/Controls/Panel/Grid/Row.cs b/src/Shared/HandyControl_Shared/Controls/Panel/Grid/Row.cs
index 3b4bd3ce4..50ff13889 100644
--- a/src/Shared/HandyControl_Shared/Controls/Panel/Grid/Row.cs
+++ b/src/Shared/HandyControl_Shared/Controls/Panel/Grid/Row.cs
@@ -88,7 +88,9 @@ protected override Size ArrangeOverride(Size finalSize)
 
         foreach (var child in cols)
         {
-            if (!child.IsVisible)
+            // Check the local Visibility, not IsVisible: Cols skipped while the hosting
+            // window is hidden can never recover their layout once it is shown again.
+            if (child.Visibility != Visibility.Visible)
             {
                 continue;
             }