From 5ea6dce1220436cab5cfb3c6a6c0a80b92d3d975 Mon Sep 17 00:00:00 2001
From: Santiago Fernandez Madero <safern@microsoft.com>
Date: Wed, 26 Jun 2019 10:51:01 -0700
Subject: [PATCH] Fix nullable annotations for EventRegistrationTokenTable<T>
 (dotnet/corefx#38942)

Commit migrated from https://github.com/dotnet/corefx/commit/deb5c2bebdc7d50a9c3ef1be87aee091e56894b6
---
 .../ref/System.Runtime.InteropServices.WindowsRuntime.cs           | 7 +++----
 1 file changed, 3 insertions(+), 4 deletions(-)

diff --git a/src/libraries/System.Runtime.InteropServices.WindowsRuntime/ref/System.Runtime.InteropServices.WindowsRuntime.cs b/src/libraries/System.Runtime.InteropServices.WindowsRuntime/ref/System.Runtime.InteropServices.WindowsRuntime.cs
index edd4a16..8c61a5f 100644
--- a/src/libraries/System.Runtime.InteropServices.WindowsRuntime/ref/System.Runtime.InteropServices.WindowsRuntime.cs
+++ b/src/libraries/System.Runtime.InteropServices.WindowsRuntime/ref/System.Runtime.InteropServices.WindowsRuntime.cs
@@ -24,12 +24,11 @@ namespace System.Runtime.InteropServices.WindowsRuntime
     public sealed partial class EventRegistrationTokenTable<T> where T : class
     {
         public EventRegistrationTokenTable() { }
-        [System.Diagnostics.CodeAnalysis.MaybeNullAttribute]
-        public T InvocationList { get { throw null; } set { } }
-        public System.Runtime.InteropServices.WindowsRuntime.EventRegistrationToken AddEventHandler(T handler) { throw null; }
+        public T? InvocationList { get { throw null; } set { } }
+        public System.Runtime.InteropServices.WindowsRuntime.EventRegistrationToken AddEventHandler(T? handler) { throw null; }
         public static System.Runtime.InteropServices.WindowsRuntime.EventRegistrationTokenTable<T> GetOrCreateEventRegistrationTokenTable(ref System.Runtime.InteropServices.WindowsRuntime.EventRegistrationTokenTable<T>? refEventTable) { throw null; }
         public void RemoveEventHandler(System.Runtime.InteropServices.WindowsRuntime.EventRegistrationToken token) { }
-        public void RemoveEventHandler(T handler) { }
+        public void RemoveEventHandler(T? handler) { }
     }
     public partial interface IActivationFactory
     {
-- 
2.7.4