System.Net.Sockets.Socket.Close C# (CSharp) Method

        public void Close()
        {
            if (NetEventSource.IsEnabled)
            {
                NetEventSource.Enter(this);
                NetEventSource.Info(this, $"timeout = {_closeTimeout}");
            }

            Dispose();

            if (NetEventSource.IsEnabled) NetEventSource.Exit(this);
        }

		public void ConnectIPAddressAny ()
		{
			IPEndPoint ep = new IPEndPoint (IPAddress.Any, 0);

			/* UDP sockets use Any to disconnect
			try {
				using (Socket s = new Socket (AddressFamily.InterNetwork, SocketType.Dgram, ProtocolType.Udp)) {
					s.Connect (ep);
					s.Close ();
				}
				Assert.Fail ("#1");
			} catch (SocketException ex) {
				Assert.AreEqual (10049, ex.ErrorCode, "#2");
			}
			*/

			try {
				using (Socket s = new Socket (AddressFamily.InterNetwork, SocketType.Stream, ProtocolType.Tcp)) {
					s.Connect (ep);
					s.Close ();
				}
				Assert.Fail ("#3");
			} catch (SocketException ex) {
				Assert.AreEqual (10049, ex.ErrorCode, "#4");
			}
		}