C#

RCoate wrote:

just look at the bits that interest me at the time

wBuf[line++] = System.Byte.Parse
(
  stringArray [ j ]
,
  System.Globalization.NumberStyles.HexNumber
,
  null
) ;

    ...
    string[] dataString = { "40 A8", "AA A8", "00 4E" };
    byte[] bytes = ConvertToBytes(dataString);
    ...
private byte[] ConvertToBytes(string[] data)
    {
    List<byte> bytes = new List<byte>();
    foreach (string line in data)
        {
        string[] values = line.Split(' ');
        foreach (string value in values)
            {
            bytes.Add(byte.Parse(value, System.Globalization.NumberStyles.HexNumber));
            }
        }
    return bytes.ToArray();
    }

int i = 0;
string[] values = new string[wBuf.Length];

foreach (byte value in wBuf)
{
   string temp = wBuf[0].ToString();
   values[i] = (temp, (System.Globalization.NumberStyles.HexNumber));
   i++;
}

foreach (byte value in wBuf)
{
    values[i] = (byte.Parse(wBuf[i], (System.Globalization.NumberStyles.HexNumber)));
    i++;
}

byte[] wBuf = new byte[] { 23, 0xff, 17, 16 };
string[] values = new string[wBuf.Length];
int i = 0;
foreach (byte b in wBuf)
    {
    values[i++] = string.Format("{0:X00}", b);
    }

values[i++] = string.Format("{0:X02}", b);