Read a structure in stream

StramReadStructure.cs

using System;
using System.IO;

public unsafe static T Read<T>(this Stream s) where T : struct
{
    int i = System.Runtime.InteropServices.Marshal.SizeOf(typeof(T));
    byte[] buffer = new byte[i];
    s.Read(buffer, 0, i);
    fixed (byte* pBuffer = &buffer[0])
        return (T)System.Runtime.InteropServices.Marshal.PtrToStructure((IntPtr)pBuffer, typeof(T));
}