// @nuget: CommandLineParser -Version 1.9.71

using System;

using CommandLine;

    public class Program

    {   

         public static void Main(string[] args)

        {

             UseCase("Case: different sets- allowed","--enablejavascript --anonymouslogin"); //different sets

             UseCase("same set- Not Allowed","--enablejavascript --documentroot"); //same set

         }

        public static void UseCase(string title, string argCommand)

        {

            Console.WriteLine("------" + title + "------");

            var args= argCommand.Split();

            //args.Dump();      

            var options = new OptionsWithDefaultSet();

        bool isOk = new Parser(s =>

            {

                s.MutuallyExclusive = true;

            }).ParseArguments(args, options);

            if (isOk)

        {

            options.Dump();

        }

            else

            {

                Console.WriteLine("Not parsed");

            }

        }

    }

​

class OptionsWithDefaultSet

{

  [Option(MutuallyExclusiveSet = "web")]

  public string DocumentRoot { get; set; }

​

  [Option(MutuallyExclusiveSet = "web")]

  public bool EnableJavaScript { get; set; }

​

  [Option(MutuallyExclusiveSet = "ftp")]

  public string FtpDirectory { get; set; }

​

  [Option(MutuallyExclusiveSet = "ftp")]

  public bool AnonymousLogin { get; set; }

}