.net Framework Socket Problem

using System.Net.Sockets;
...
private Socket receiveSocket;
private byte[] byteData = new byte[4096];
...
receiveSocket = new Socket(AddressFamily.InterNetwork, SocketType.Raw, ProtocolType.IP);
receiveSocket.Bind(new IPEndPoint(IPAddress.Parse(strLocalIP), 0));
receiveSocket.SetSocketOption(SocketOptionLevel.IP, SocketOptionName.HeaderIncluded, true);
byte[] byTrue = new byte[4] { 1, 0, 0, 0 };
byte[] byOut = new byte[4] { 1, 0, 0, 0 };
receiveSocket.IOControl(IOControlCode.ReceiveAll, byTrue, byOut);
receiveSocket.BeginReceive(byteData, 0, byteData.Length, SocketFlags.None, new AsyncCallback(OnReceive), null);
...
        private void OnReceive(IAsyncResult ar)
        {
            try
            {
                int nReceived = receiveSocket.EndReceive(ar);

                ParseData(byteData, nReceived);

                if (!bStopCapturing)
                {
                    byteData = new byte[4096];

                    receiveSocket.BeginReceive(byteData, 0, byteData.Length, SocketFlags.None, new AsyncCallback(OnReceive), null);
                }
            }
            catch (Exception ex)
            {
                MessageBox.Show(ex.Message, "Title", MessageBoxButtons.OK, MessageBoxIcon.Error);
            }
        }

new Socket(AddressFamily.InterNetwork, SocketType.Stream, ProtocolType.Tcp );