Serialização e desserialização de estruturas em C#

StructSerialize

using System;
using System.Runtime.InteropServices;

internal static class StructSerialize<T>
{
    public static T RawDeserialize(byte[] rawData)
    {
        return RawDeserialize(rawData, 0);
    }

    public static T RawDeserialize(byte[] rawData, int position)
    {
        int rawsize = Marshal.SizeOf(typeof(T));
        if (rawsize > rawData.Length)
		{
            return default(T);
		}
        IntPtr buffer = Marshal.AllocHGlobal(rawsize);
        Marshal.Copy(rawData, position, buffer, rawsize);
        T obj = (T)Marshal.PtrToStructure(buffer, typeof(T));
        Marshal.FreeHGlobal(buffer);
        return obj;
    }

    public static byte[] RawSerialize(T item)
    {
        int rawSize = Marshal.SizeOf(typeof(T));
        IntPtr buffer = Marshal.AllocHGlobal(rawSize);
        Marshal.StructureToPtr(item, buffer, false);
        byte[] rawData = new byte[rawSize];
        Marshal.Copy(buffer, rawData, 0, rawSize);
        Marshal.FreeHGlobal(buffer);
        return rawData;
    }
}