System.ApplicationId.EncodeHexString C# (CSharp) Method

        private static string EncodeHexString(byte[] sArray) 
        {
            string result = null;
    
            if (sArray != null)
            {
                char[] hexOrder = new char[sArray.Length * 2];
            
                int digit;
                for(int i = 0, j = 0; i < sArray.Length; i++) {
                    digit = (int)((sArray[i] & 0xf0) >> 4);
                    hexOrder[j++] = HexDigit(digit);
                    digit = (int)(sArray[i] & 0x0f);
                    hexOrder[j++] = HexDigit(digit);
                }
                result = new string(hexOrder);
            }
            return result;
        }