System.ParseNumbers.ConvertToBase16 C# (CSharp) Method

		static StringBuilder ConvertToBase16 (byte[] value)
		{
			if (!BitConverter.IsLittleEndian)
				EndianSwap (ref value);
			StringBuilder sb = new StringBuilder ();
			for (int i = value.Length - 1; i >= 0; i--) {
				char high = (char)((value[i] >> 4) & 0x0f);
				if ((high != 0) || (sb.Length > 0)) {
					if (high < 10) 
						high += '0';
					else {
						high -= (char) 10;
						high += 'a';
					}
					sb.Append (high);
				}

				char low = (char)(value[i] & 0x0f);
				if ((low != 0) || (sb.Length > 0)) {
					if (low < 10)
						low += '0';
					else {
						low -= (char) 10;
						low += 'a';
					}
					sb.Append (low);
				}
			}
			return sb;
		}