goto example

Program.cs

namespace Foo
{
    // This program illustrates an arguable case where the usage of goto could be said to be warranted.
    class Program
    {
        private static int ParseArgumentsAndRun(string[] args)
        {
            int returnValue;

            if (args.Length != 1)
            {
                DisplayUsage();
                returnValue = -1;
                goto waitForKeypress;
            }

            var firstArg = args[0];

            switch (firstArg)
            {
                case "/i":
                case "/install":
                    returnValue = InstallService();
                    break;

                case "/u":
                case "/uninstall":
                    returnValue = UninstallService();
                    break;

                default:
                    Console.WriteLine("Argument not recognized: {0}", args[0]);
                    Console.WriteLine(string.Empty);
                    DisplayUsage();
                    returnValue = 1;
                    break;
            }

        waitForKeypress:
            Console.WriteLine("Press any key to exit");
            Console.ReadKey();
            return returnValue;
        }
    }
}