/// <summary>
/// Reads a 64-bit unsigned integer from the stream, using the bit converter
/// for this reader. 8 bytes are read.
/// </summary>
/// <returns>The 64-bit unsigned integer read</returns>
public ulong ReadUnsignedLong()
{
ReadInternal(buffer, 8);
return(BitConverter.ToUnsignedLong(buffer, 0));
}