static void Main(string[] args)
        {
            //Assigns the variables
            int option;
            string store;



            //Sets the text colour
            Console.ForegroundColor = ConsoleColor.DarkMagenta;
            //Sets the background colour
            Console.BackgroundColor = ConsoleColor.Gray;
            //Allows the background colour to be seen over the entire of the screen
            Console.Clear();

            //Menu, with options for the user to select
            Console.WriteLine("-----------------------------------------");
            Console.WriteLine("|               Menu                    |");
            Console.WriteLine("-----------------------------------------");
            Console.WriteLine("| 1. Search for file ...                |");
            Console.WriteLine("| 2. Enter Search String                |");
            Console.WriteLine("| 3. Print and store search result file |");
            Console.WriteLine("| 4. Another search  ???                |");
            Console.WriteLine("-----------------------------------------");

            //Asks the user to select one of the options above
            Console.WriteLine(" Please select ONE of the above options ");

            //Converts variable 'option' to an integer
            option = Convert.ToInt32(Console.ReadLine());

            //If the user selects
            if (option == 1)
            {
                do
                {
                    try
                    {
                        string UserInput = "files\\" + Console.ReadLine() + ".txt";
                        FileStream file = new FileStream(UserInput, FileMode.Open, FileAccess.Read);
                        StreamReader sr = new StreamReader (file);
                        store = sr.ReadToEnd();
                        sr.Close();
                        file.Close();
                        Console.WriteLine(store);
                        Console.ReadLine();

                        break; //this will end the loop once the code runs right
                    }
                    catch
                    {
                        Console.WriteLine("The file name entered is not valid");//put the stuff that you want to happen when the above code fails, in here!
                    }

                } while (true);
            }


            if (option == 2)
            {
                Console.WriteLine("Please enter the required string");
                string UserInput = Console.ReadLine();

            }

            if (option == 3)
            {
                //FileStream file = new FileStream();
            }

           if (option == 4)
            {

            }






            Console.ReadLine();

        }
            public static string SearchString;
        }
    }