BDInfoCli.Program.validatePath C# (CSharp) Метод

        public static void validatePath(String pathName)
        {
            if (pathName == null)
            {
                System.Console.WriteLine("Usage: BDInfoCli <BD Folder> <Save Path>");
                Environment.Exit(-1);
            }
            if(!Directory.Exists(pathName))
            {
                System.Console.WriteLine("folder '{0}' not found!", pathName);
                Environment.Exit(-1);
            }
        }