Funcular.IdGenerators.Base36.Base36IdGenerator.GetRandomString C# (CSharp) Méthode

        public string GetRandomString(int length)
        {
            if (length < 1 || length > 12)
                throw new ArgumentOutOfRangeException(nameof(length), "Length must be between 1 and 12; 36^13 overflows Int64.MaxValue");
            lock (_randomLock)
            {
                var maxRandom = (long)Math.Pow(36, length);
                _random.NextBytes(_randomBuffer);
                var random = Math.Abs(BitConverter.ToInt64(_randomBuffer, 0) % maxRandom);
                string encoded = Base36Converter.FromLong(random);
                return encoded.Length > length ?
                    encoded.Substring(0, length) :
                    encoded.PadLeft(length, '0');
            }
        }