[StructLayout(LayoutKind.Sequential, Size = 16, Pack = 1)]
        public struct ListEntry {
            public byte version;
            public UInt16 magic;
            public UInt32 start_time;
            public UInt16 run_id;
            public UInt16 channels;
            public UInt16 sampling_rate;
            public UInt32 start_sector;
        }

        public unsafe Form1() {
            InitializeComponent();

            byte[] test = new byte[] { 2, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 };
            fixed (byte* p = &test[0]) {
                //ListEntry list = (ListEntry)RawDataToObject(ref test, typeof(ListEntry));

                ListEntry list = (ListEntry)Marshal.PtrToStructure((IntPtr)p, typeof(ListEntry));

                listBox1.Items.Add(list.version);
                list.version = 3;
                listBox1.Items.Add("--");
                for (int i=0;i<16; i++)   listBox1.Items.Add(test[i]);
            }

        }