Client.cs

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Net.Sockets;
using System.IO;

namespace Alexandria
{
    class Client
    {
        TcpClient tcpClient = new TcpClient(AlexandriaMain.currentServer, 8080);

        File file = new File("test.png", "");

        public void fileGet(string fileName)
        {
            NetworkStream ns = tcpClient.GetStream();
            StreamWriter sw = new StreamWriter(ns);

            sw.Write("GET:" + fileName);
            sw.Flush();

            byte[] lengthBytes = new byte[16];

            int read = ns.Read(lengthBytes, 0, 15);
            int length = BitConverter.ToInt32(lengthBytes, 0);
            byte[] buf = new byte[length];
            ns.Read(buf, 0, buf.Length);

            file.Write(buf);
        }
    }
}

Server.cs

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.IO;
using System.Net.Sockets;
using System.Net;

namespace AlexandriaServer
{
    class Server
    {

        //IPAddress localIP = IPAddress.Broadcast;
        //static readonly IPAddress Any;
        TcpListener tcpListener = new TcpListener(8080);
        //File file;
        char[] seperators = { ':' };

        string fileLocation = "\\files";

        public void runServer()
        {
            Console.WriteLine("Starting server...");
            tcpListener.Start();
            Console.WriteLine("Server Started!");
            //Byte[] bytes = new Byte[16];
            //Byte[] data = new Byte[16];

            bool fileComplete = false;

            while (true)
            {
                TcpClient tcpClient = tcpListener.AcceptTcpClient();
                Console.WriteLine("Client Connected!");
                NetworkStream stream = tcpClient.GetStream();
                byte[] incomingData = new byte[tcpClient.ReceiveBufferSize];
                int bytesRead = stream.Read(incomingData, 0, System.Convert.ToInt32(tcpClient.ReceiveBufferSize));

                string command = Encoding.ASCII.GetString(incomingData, 0, bytesRead);

                Console.WriteLine(command);

                string[] commands = command.Split(seperators);

                foreach (string x in commands)
                {
                    Console.WriteLine(x);
                }

                if (commands[0].Contains("GET"))
                {
                    Console.WriteLine("Getting File! \n" + commands[1]+"test");
                    //file = new File(commands[1], fileLocation);
                    FileStream fs = new FileStream(commands[1].Replace("\n", ""), FileMode.Open);

                    int currentPos = 0;

                    while (currentPos < fs.Length)
                    {
                        byte[] bytes = new byte[16];
                        int data = fs.Read(bytes, currentPos, 16);

                        Console.WriteLine(bytes.ToString());
                        stream.Write(bytes, 0, 16);
                        currentPos += 16;
                        if (currentPos >= fs.Length)
                            fileComplete = true;

                    }

                    if (fileComplete)
                    {
                        Console.WriteLine("File Complete!");

                        stream.Close();
                    }
                }
            }
        }

        public void sendFile(string fileName)
        {
        }
    }
}