title: getting certain bytes from byte array in vb.net
body: <p>I have a byte array containing bytes from a file(<a href="https://stackoverflow.com/questions/1991425/reading-bytes-in-a-file-in-vb-net">see my last question</a>)
  now I want to get the second lot of 4 bytes from the array and convert them to an integer
  something like <code>bytearray.get(4[start],4[length])</code></p>