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 default:                                    

                    if (PoslKey1.Key == ConsoleKey.UpArrow)
                    {
                        key1 = PoslKey1;
                        goto case ConsoleKey.UpArrow;
                    }
                    if (PoslKey1.Key == ConsoleKey.DownArrow)
                    {
                        key1 = PoslKey1;
                        goto case ConsoleKey.DownArrow;
                    }
                    if (PoslKey1.Key == ConsoleKey.LeftArrow)
                    {
                        key1 = PoslKey1;
                        goto case ConsoleKey.LeftArrow;
                    }
                    if (PoslKey1.Key == ConsoleKey.RightArrow)
                    {
                        key1 = PoslKey1;
                        goto case ConsoleKey.RightArrow;
                    }

                    break;

 PoslKey1 = key1;