From 0c76b97ef2f5c9a659c361ff7641e073e1ecefee Mon Sep 17 00:00:00 2001
From: Brandon Thetford <github@snapsinazfs.com>
Date: Wed, 21 Feb 2024 02:37:52 -0700
Subject: [PATCH] Enable null analysis here

---
 Terminal.Gui/Application.cs | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/Terminal.Gui/Application.cs b/Terminal.Gui/Application.cs
index 67a103d6c..e6b2eec66 100644
--- a/Terminal.Gui/Application.cs
+++ b/Terminal.Gui/Application.cs
@@ -1170,12 +1170,13 @@ public static partial class Application
         return top;
     }
 
+    #nullable enable
     // Only return true if the Current has changed.
     private static bool MoveCurrent (Toplevel top)
     {
         // The Current is modal and the top is not modal Toplevel then
         // the Current must be moved above the first not modal Toplevel.
-        if (OverlappedTop != null
+        if (OverlappedTop is { }
             && top != OverlappedTop
             && top != Current
             && Current?.Modal == true
@@ -1250,6 +1251,7 @@ public static partial class Application
 
         return true;
     }
+    #nullable restore
 
     /// <summary>Invoked when the terminal's size changed. The new size of the terminal is provided.</summary>
     /// <remarks>