public static void Set(ref IPHeader header, IPData ipData, ushort count) { header = new IPHeader(); ushort allLength = GetAllLength(count); header._IPHeader0_32._Version_HeaderLength = 0b0100_0101; header._IPHeader0_32._AllLegnth = Meth.AsBigEndian(allLength); header._IPHeader64_96._Protocol = (byte)ipData.Protocol; header._IPHeader64_96._TTL = 128; header._SourceAddress = ipData.SourceAddress; header._DesAddress = ipData.DesAddress; header._IPHeader32_64._16Flag = Meth.GetCount(); header._IPHeader32_64._Frag = 0x40; header.CalculationHeaderChecksum(); }