BaseNcoding.StringGenerator.GetAlphabet C# (CSharp) Метод

        public static string GetAlphabet(int charsCount)
        {
            var result = new StringBuilder(charsCount);
            int i = 0;
            int count = 0;
            do
            {
                char c = (char)i;
                if (!char.IsControl(c) && !char.IsWhiteSpace(c))
                {
                    result.Append(c);
                    count++;
                }
                i++;
            }
            while (count < charsCount);

            return result.ToString();
        }