From bc4b4a9d8e27cc045501c44c9d7d8e055004a432 Mon Sep 17 00:00:00 2001
From: sta <sta.blockhead@gmail.com>
Date: Thu, 17 Nov 2016 16:23:19 +0900
Subject: [PATCH] [Modify] Add it

---
 websocket-sharp/Ext.cs | 16 ++++++++++++++++
 1 file changed, 16 insertions(+)

diff --git a/websocket-sharp/Ext.cs b/websocket-sharp/Ext.cs
index b5c5f302..86cadae1 100644
--- a/websocket-sharp/Ext.cs
+++ b/websocket-sharp/Ext.cs
@@ -964,6 +964,22 @@ namespace WebSocketSharp
       return true;
     }
 
+    internal static bool TryOpenRead (
+      this FileInfo fileInfo, out FileStream fileStream
+    )
+    {
+      fileStream = null;
+
+      try {
+        fileStream = fileInfo.OpenRead ();
+      }
+      catch {
+        return false;
+      }
+
+      return true;
+    }
+
     internal static string Unquote (this string value)
     {
       var start = value.IndexOf ('"');