From f5ab00bf4e1f9e68741603e5a5c90435c6526a29 Mon Sep 17 00:00:00 2001
From: sta <sta.blockhead@gmail.com>
Date: Thu, 17 Nov 2016 16:41:07 +0900
Subject: [PATCH] [Modify] Use it

---
 websocket-sharp/WebSocket.cs | 12 ++++++++----
 1 file changed, 8 insertions(+), 4 deletions(-)

diff --git a/websocket-sharp/WebSocket.cs b/websocket-sharp/WebSocket.cs
index 05101552..28c09280 100644
--- a/websocket-sharp/WebSocket.cs
+++ b/websocket-sharp/WebSocket.cs
@@ -2696,15 +2696,19 @@ namespace WebSocketSharp
     /// </exception>
     public void Send (FileInfo file)
     {
-      if (file == null)
-        throw new ArgumentNullException ("file");
-
       if (_readyState != WebSocketState.Open) {
         var msg = "The current state of the connection is not Open.";
         throw new InvalidOperationException (msg);
       }
 
-      send (Opcode.Binary, file.OpenRead ());
+      if (file == null)
+        throw new ArgumentNullException ("file");
+
+      FileStream stream;
+      if (!file.TryOpenRead (out stream))
+        throw new ArgumentException ("Cannot be opened to read.", "file");
+
+      send (Opcode.Binary, stream);
     }
 
     /// <summary>