/// <summary>
        /// Encode the array of characters.
        /// </summary>
        /// <param name="data">The array of characters.</param>
        /// <returns>The encoded string.</returns>
        public static string Encode(char[] data)
        {
            int           ascii;
            string        encodedChar = "";
            StringBuilder builder     = new StringBuilder();

            // For each char.
            for (int i = 0; i < data.Length; i++)
            {
                ascii = Convert.ToInt32(data[i]);
                if (ascii < 32 || ascii > 126 || ascii == 61)
                {
                    encodedChar = HexEncoder.ToHexString(new byte[] { Convert.ToByte(data[i]) });
                    if (encodedChar.Length == 1)
                    {
                        encodedChar = "0" + encodedChar;
                    }

                    builder.Append("=" + encodedChar.ToUpper());
                }
                else
                {
                    builder.Append(data[i]);
                }
            }

            // Return the encoded string
            return(builder.ToString());
        }
        /// <summary>
        /// Decode the array of characters.
        /// </summary>
        /// <param name="data">The array of characters.</param>
        /// <returns>The decoded string.</returns>
        public static string Decode(char[] data)
        {
            StringBuilder builder = new StringBuilder();

            // For each char.
            for (int i = 0; i < data.Length; i++)
            {
                if (data[i] == '=')
                {
                    string value = null;
                    if (data[i + 1] == '0')
                    {
                        value = data[i + 2].ToString();
                    }
                    else
                    {
                        value = data[i + 1].ToString() + data[i + 2].ToString();
                    }

                    int intValue = Convert.ToInt32("0x" + value);
                    if (value == HexEncoder.ToHexString(new byte[] { Convert.ToByte(intValue) }))
                    {
                        builder.Append(Convert.ToChar(intValue));
                        i += 2;
                    }
                    else
                    {
                        builder.Append(data[i]);
                    }
                }
                else
                {
                    builder.Append(data[i]);
                }
            }

            // Return the encoded string
            return(builder.ToString());
        }