From 2be0c4c9b98ca525da2828127598ac2c6030a04c Mon Sep 17 00:00:00 2001
From: sta <sta.blockhead@gmail.com>
Date: Sat, 21 Dec 2019 22:12:38 +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 a49e3ed0..01b989db 100644
--- a/websocket-sharp/Net/HttpListenerResponse.cs
+++ b/websocket-sharp/Net/HttpListenerResponse.cs
@@ -556,6 +556,9 @@ namespace WebSocketSharp.Net
     /// <exception cref="ArgumentException">
     /// The value specified for a set operation is not an absolute URL.
     /// </exception>
+    /// <exception cref="InvalidOperationException">
+    /// The response is already being sent.
+    /// </exception>
     /// <exception cref="ObjectDisposedException">
     /// This instance is closed.
     /// </exception>