static void Main(string[] args) { string file = "D:/Projects/COMNet/large_text.txt"; var input = ReadFile(file); var com1 = ConfigurationManager.AppSettings["com1"]; var com2 = ConfigurationManager.AppSettings["com2"]; var name = ConfigurationManager.AppSettings["name"]; byte size = (byte)FrameFactory.FieldType.ACK; Console.WriteLine("AAAA: {0}", size.ToString()); PC WS = new PC(name, com1, com2); WS.Login(); Console.WriteLine("Actions: [send] [wait]"); string choice = ""; while (choice != "exit") { choice = Console.ReadLine(); if (choice == "send") { WS.WriteBuff(input); } else if (choice == "check") { WS.CheckBuffers(); } } Console.ReadKey(); }