internal static bool load(string file) { EventList <Room> rooms = deserializeFromXML(file); if (rooms == null) { return(false); } foreach (Room room in Rooms) { foreach (Heater heater in room.Heaters) { if (heater.Valve != null) { calibration.deactivateValve(heater.Valve); } } } Rooms = rooms; return(true); }