DotnetTestExe/project_name/Program.cs

using CommandLine;

class Program
{
    public class Options
    {
        [Option('v', "verbose", Required = false, HelpText = "Set output to verbose messages.")]
        public bool Verbose { get; set; }
    }

    static void Main(string[] args)
    {
        Parser.Default.ParseArguments<Options>(args)
                .WithParsed<Options>(o =>
                {
                    if (o.Verbose)
                    {
                        Console.WriteLine($"Verbose output enabled. Current Arguments: -v {o.Verbose}");
                        Console.WriteLine("Quick Start Example! App is in Verbose mode!");
                    }
                    else
                    {
                        Console.WriteLine($"Current Arguments: -v {o.Verbose}");
                        Console.WriteLine("Quick Start Example!");
                    }

                    EntryPoint(o);
                });
    }

    static void EntryPoint(Options o)
    {
        Console.WriteLine("Hello world!");
    }
}