MySql.Data.MySqlClient.MySqlPacket.ReadULong C# (CSharp) Метод

    public ulong ReadULong(int numbytes)
    {
      Debug.Assert((buffer.Position + numbytes) <= buffer.Length);
      byte[] bytes = buffer.GetBuffer();
      int pos = (int)buffer.Position;
      buffer.Position += numbytes;
      switch (numbytes)
      {
        case 2: return BitConverter.ToUInt16(bytes, pos);
        case 4: return BitConverter.ToUInt32(bytes, pos);
        case 8: return BitConverter.ToUInt64(bytes, pos);
      }
      throw new NotSupportedException("Only byte lengths of 2, 4, or 8 are supported");
    }

    IMySqlValue IMySqlValue.ReadValue(MySqlPacket packet, long length, bool nullVal)
    {
      if (nullVal)
        return new MySqlUInt64(true);

      if (length == -1)
        return new MySqlUInt64(packet.ReadULong(8));
      else
        return new MySqlUInt64(UInt64.Parse(packet.ReadString(length)));
    }