Question

I am having fun with a couple of errors I am getting in a C# application I am writing.
The error I keep getting is:

• encrypt and decrypt calls must have a return type
• Console.WriteLine being used as a method
• static void encrypt(string[] args) expected class, delegate, interface or struct

namespace ConsoleApplication1
{
    class Program
    {
        static void Main(string[] args)
        {
            string pw ="", hash =""; //Declare an intialise variables

            if (args.Length < 4) // Test to see if correct number of arguments have been passed
            {
                Console.WriteLine("Please use command line arguments in this format: encrypt -e (or -d) password-to-encrypt-with input-file output-file");
                Environment.Exit(0);
            }

            if (args[1].Length < 10 || args[1].Length > 40) // Test to see if the password is between 10 and 40 characters
            {
                Console.WriteLine("Please use a password between 10 and 40 characters");
                Environment.Exit(0);
            }

            switch (args[0]) //Uses first argument value to drive switch statement (-e or -d)
            {
                case "-e":
                encrypt(string[] args);
                break;

                case "-d":
                decrypt(string[] args);
                break;

                default:
                Console.WriteLine("When using the program please use -e to encrypt and -d to decrypt");
                break;
            }        
        } //End of MAIN

        static void encrypt(string[] args)  //Function to encrypt
        {
            string inputtext =""; //Initialise Varible (Ensure it is empty)
            inputtext=System.IO.File.ReadAllText(args[2]); //Read file in an assign to input text
            return;
        }

        static void decrypt(string[] args)  //Function to decrypt
        {
            string inputtext =""; //Initialise Varible (Ensure it is empty)
            inputtext=System.IO.File.ReadAllText(args[2]); //Read file in an assign to input text
            return;
        }
    }  
}

Any help would be much appreciated!
Alistair

Answer 1

When calling a method, you must not specify the types of the arguments. So:

        case "-e":
        encrypt(args);
        break;