From 60b6f041855acc0dec3a186be4bbfe316e51b062 Mon Sep 17 00:00:00 2001
From: sta <sta.blockhead@gmail.com>
Date: Mon, 16 Dec 2019 21:50:10 +0900
Subject: [PATCH] [Modify] Edit it

---
 websocket-sharp/Net/HttpListenerResponse.cs | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/websocket-sharp/Net/HttpListenerResponse.cs b/websocket-sharp/Net/HttpListenerResponse.cs
index 0db7b7e6..a5427520 100644
--- a/websocket-sharp/Net/HttpListenerResponse.cs
+++ b/websocket-sharp/Net/HttpListenerResponse.cs
@@ -237,6 +237,9 @@ namespace WebSocketSharp.Net
     ///   The default value is <see langword="null"/>.
     ///   </para>
     /// </value>
+    /// <exception cref="InvalidOperationException">
+    /// The response is already being sent.
+    /// </exception>
     /// <exception cref="ObjectDisposedException">
     /// This instance is closed.
     /// </exception>