From 55db4a2ab0af6c55cd6794a904e6b1c89161b760 Mon Sep 17 00:00:00 2001
From: Ranjesh Jaganathan <28935693+ranjeshj@users.noreply.github.com>
Date: Tue, 24 Nov 2020 08:30:37 -0800
Subject: [PATCH] fix crash in navview when tabbing

---
 dev/NavigationView/NavigationView.cpp | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/dev/NavigationView/NavigationView.cpp b/dev/NavigationView/NavigationView.cpp
index 9f89157afd..e3529a76d8 100644
--- a/dev/NavigationView/NavigationView.cpp
+++ b/dev/NavigationView/NavigationView.cpp
@@ -1063,6 +1063,11 @@ winrt::ItemsRepeater NavigationView::GetParentRootItemsRepeaterForContainer(cons
     while (!IsRootItemsRepeater(parentIR))
     {
         currentNvib = GetParentNavigationViewItemForContainer(currentNvib);
+        if (!currentNvib)
+        {
+            return nullptr;
+        }
+
         parentIR = GetParentItemsRepeaterForContainer(currentNvib);
     }
     return parentIR;