var parser = new Parser(x =>
        {
            x.HelpWriter = null;               
        });
        var result = parser.ParseArguments<Simple_Options>(new[]{"--help"});
        //generate custom help 
        result .WithNotParsed(errs =>
        {               
            var helpText = HelpText.AutoBuild(result,
                h =>
                {
				    //configure help
                    h.AdditionalNewLineAfterOption = false;
                    return h;
                }
                , e => e);
             //print help screen
            Console.WriteLine(helpText);
             
        });