From: Santiago Fernandez Madero <safern@microsoft.com>
Date: Wed, 19 Jun 2019 17:32:59 +0000 (-0700)
Subject: Add nullable annotations to System.Runtime.InteropServices.WindowsRuntime ref (dotnet... 
X-Git-Tag: submit/tizen/20210909.063632~11031^2~1242
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=bab4abe5e808dbbd7f55e2841299331a9fd70c7e;p=platform%2Fupstream%2Fdotnet%2Fruntime.git

Add nullable annotations to System.Runtime.InteropServices.WindowsRuntime ref (dotnet/corefx#38003)

* Add nullable annotations to System.Runtime.InteropServices.WindowsRuntime ref

* Apply nullable attributes


Commit migrated from https://github.com/dotnet/corefx/commit/36ff261d4ec19933dde77c11c78256f62a5a4487
---

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 e531b50..edd4a16 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
@@ -16,7 +16,7 @@ namespace System.Runtime.InteropServices.WindowsRuntime
     public partial struct EventRegistrationToken
     {
         private int _dummyPrimitive;
-        public override bool Equals(object obj) { throw null; }
+        public override bool Equals(object? obj) { throw null; }
         public override int GetHashCode() { throw null; }
         public static bool operator ==(System.Runtime.InteropServices.WindowsRuntime.EventRegistrationToken left, System.Runtime.InteropServices.WindowsRuntime.EventRegistrationToken right) { throw null; }
         public static bool operator !=(System.Runtime.InteropServices.WindowsRuntime.EventRegistrationToken left, System.Runtime.InteropServices.WindowsRuntime.EventRegistrationToken right) { throw null; }
@@ -24,9 +24,10 @@ 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 static System.Runtime.InteropServices.WindowsRuntime.EventRegistrationTokenTable<T> GetOrCreateEventRegistrationTokenTable(ref System.Runtime.InteropServices.WindowsRuntime.EventRegistrationTokenTable<T> refEventTable) { 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) { }
     }
diff --git a/src/libraries/System.Runtime.InteropServices.WindowsRuntime/ref/System.Runtime.InteropServices.WindowsRuntime.csproj b/src/libraries/System.Runtime.InteropServices.WindowsRuntime/ref/System.Runtime.InteropServices.WindowsRuntime.csproj
index f0490a4..4fcf8b7 100644
--- a/src/libraries/System.Runtime.InteropServices.WindowsRuntime/ref/System.Runtime.InteropServices.WindowsRuntime.csproj
+++ b/src/libraries/System.Runtime.InteropServices.WindowsRuntime/ref/System.Runtime.InteropServices.WindowsRuntime.csproj
@@ -2,6 +2,7 @@
   <PropertyGroup>
     <ProjectGuid>{DC485335-D0D7-4E28-9593-445B7B6BEFA7}</ProjectGuid>
     <Configurations>netcoreapp-Debug;netcoreapp-Release;uap-Debug;uap-Release</Configurations>
+    <Nullable>enable</Nullable>
   </PropertyGroup>
   <ItemGroup>
     <Compile Include="System.Runtime.InteropServices.WindowsRuntime.cs" />