Changed IsConnected to IsKeepAlive in WebSocket.cs

Example2/Echo.cs

@@ -10,5 +10,10 @@ namespace Example2
     {
       Send(e.Data);
     }
+
+    protected override void onClose(object sender, CloseEventArgs e)
+    {
+      Console.WriteLine("[Echo] Close({0}: {1})", (ushort)e.Code, e.Code);
+    }
   }
 }

Example2/Program.cs

@@ -9,7 +9,7 @@ namespace Example2
     {
       //var wssv = new WebSocketServer<Echo>("ws://localhost:4649");
       //var wssv = new WebSocketServer<Chat>("ws://localhost:4649");
-      var wssv = new WebSocketServer<Echo>("/", 4649);
+      var wssv = new WebSocketServer<Echo>(4649);
 
       wssv.Start();
       Console.WriteLine(