[StructLayoutAttribute(LayoutKind.Sequential, CharSet = CharSet.Ansi, Pack = 1)]
        public struct gooseData
        {
            /// <summary>
            /// 目标MAC
            /// </summary>
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 6)]
            public byte[] DMAC;
            /// <summary>
            /// 源MAC
            /// </summary>
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 6)]
            public byte[] SMAC;
            /// <summary>
            /// TPID=0x8100
            /// </summary>
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 2)]
            public byte[] TPID;
            /// <summary>
            /// TCI=0x8000
            /// </summary>
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 2)]
            public byte[] TCI;
            /// <summary>
            /// APPID=0x88b8
            /// </summary>
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 2)]
            public byte[] APPID;
            /// <summary>
            /// data=110(bytes)
            /// </summary>
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 110)]
            public byte[] Data;

        }
我以太网收到一帧数组（128个字节）数据，然后想把数据放入以上结构体中，然后从结构体内取值、显示。请各位帮帮忙！！

谢谢黑侠的指导！
问下，你这里的txt是从文本中读吗？我是直接从以太网收的数据。我先试试你的。