public static extern int sixenseGetAllNewestData( ref sixenseAllControllerData acd );
 public static extern int sixenseGetAllNewestData(ref sixenseAllControllerData acd);
 public static extern int sixenseGetAllData( int index_back, ref sixenseAllControllerData acd );
 public static extern int sixenseGetAllData(int index_back, ref sixenseAllControllerData acd);