///--------------------------------------------------------------------------------------------------------
        ///
        static public string GetCommandHelpString()
        {
            string result = strings.GetString("명령을 입력하세요.\n\n");

            var commands = System.Enum.GetValues(typeof(eCommand));

            foreach (eCommand command in commands)
            {
                if (command == eCommand.None)
                {
                    continue;
                }

                ICommand inst = CreateCommand(command);

                if (inst == null)
                {
                    Logger.Log("Command is null! {0}", command.ToString());
                    continue;
                }

                result += strings.Format("{0}. {1}\n", (int)command, inst.GetCommandName());
                result += strings.Format("  - {0}\n\n", inst.GetCommandDesc());
            }

            return(result);
        }