From 028edebc1aa754a25196b049b820447134ef8e96 Mon Sep 17 00:00:00 2001
From: Tian Liao <tilia@microsoft.com>
Date: Wed, 10 Apr 2024 23:15:38 +0800
Subject: [PATCH] fix stackoverflow

---
 src/Calculator/Views/Calculator.xaml.cs | 11 ++++++++---
 1 file changed, 8 insertions(+), 3 deletions(-)

diff --git a/src/Calculator/Views/Calculator.xaml.cs b/src/Calculator/Views/Calculator.xaml.cs
index 32b70fa0..7e5cfbea 100644
--- a/src/Calculator/Views/Calculator.xaml.cs
+++ b/src/Calculator/Views/Calculator.xaml.cs
@@ -189,7 +189,6 @@ namespace CalculatorApp
             }
         }
 
-
         public void UpdatePanelViewState()
         {
             UpdateHistoryState();
@@ -772,7 +771,10 @@ namespace CalculatorApp
 
         private void SetChildAsMemory()
         {
-            DockMemoryHolder.Child = GetMemory();
+            if (DockMemoryHolder.Child!= GetMemory())
+            {
+                DockMemoryHolder.Child = GetMemory();
+            }
         }
 
         private void SetChildAsHistory()
@@ -782,7 +784,10 @@ namespace CalculatorApp
                 InitializeHistoryView(Model.HistoryVM);
             }
 
-            DockHistoryHolder.Child = m_historyList;
+            if (DockHistoryHolder.Child != m_historyList)
+            {
+                DockHistoryHolder.Child = m_historyList;
+            }
         }
 
         private Memory GetMemory()