event, delegate に対するnullableアノテーションを追加

[opentween/open-tween.git] / OpenTween / Connection / Networking.cs

diff --git a/OpenTween/Connection/Networking.cs b/OpenTween/Connection/Networking.cs
index 1ae37f0..a22d04b 100644 (file)
--- a/OpenTween/Connection/Networking.cs
+++ b/OpenTween/Connection/Networking.cs
@@ -84,7 +84,7 @@ namespace OpenTween.Connection
         /// <summary>
         /// Webプロキシの設定が変更された場合に発生します
         /// </summary>
-        public static event EventHandler WebProxyChanged;
+        public static event EventHandler? WebProxyChanged;
 
         private static bool initialized = false;
         private static HttpClient globalHttpClient;