for (int dwLoop = 0; dwLoop < fileCountMin; dwLoop++)
{
    // specify the memory space of the data is copied to the purpose in the array in the specified format
    nriFileinfo[dwLoop] = (NET_RECORDFILE_INFO)Marshal.PtrToStructure(IntPtr.Add(pBoxInfo, Marshal.SizeOf(typeof(NET_RECORDFILE_INFO)) * dwLoop), typeof(NET_RECORDFILE_INFO));
}