revert to VB and update to new project file format

Pilz.Networking/TCPManager.cs

@@ -1,74 +0,0 @@
-using global::System.Net;
-using global::System.Net.Sockets;
-using System.Threading.Tasks;
-
-namespace Pilz.Networking
-{
-    public class TCPManager : ConnectionManagerBase
-    {
-        private readonly TcpListener listener;
-
-        public int BufferSize { get; set; } = 10240;
-
-        public TCPManager(int port) : base(port)
-        {
-            listener = new TcpListener(IPAddress.Any, port);
-        }
-
-        public override void Start()
-        {
-            if (!IsListening)
-            {
-                listener.Start();
-                IsListening = true;
-                Task.Run(CheckRetriveData);
-            }
-        }
-
-        public override void Stop()
-        {
-            if (IsListening)
-            {
-                IsListening = false;
-                listener.Stop();
-            }
-        }
-
-        protected override int GetBufferSize()
-        {
-            return BufferSize;
-        }
-
-        private void CheckRetriveData()
-        {
-            while (IsListening)
-            {
-                if (listener.Pending())
-                {
-                    var tcp = listener.AcceptTcpClient();
-                    string ip = ((IPEndPoint)tcp.Client.RemoteEndPoint).Address.ToString();
-                    var Stream = tcp.GetStream();
-                    var buf = new byte[BufferSize];
-                    tcp.ReceiveBufferSize = BufferSize;
-                    Stream.Read(buf, 0, buf.Length);
-                    tcp.Close();
-                    ProcessRetrivedData(ip, buf);
-                }
-            }
-        }
-
-        protected override void SendData(IPEndPoint ep, byte[] buf)
-        {
-            var tcp = new TcpClient();
-            tcp.SendBufferSize = BufferSize;
-            tcp.Connect(ep);
-            var stream = tcp.GetStream();
-
-            // Send Data
-            stream.Write(buf, 0, buf.Length);
-            stream.Flush();
-            tcp.Client.Shutdown(SocketShutdown.Both);
-            tcp.Close();
-        }
-    }
-}