private IDictionary <short, IDataElementBasic> ReadFields(IMap map, ref string iso) { IDictionary <short, IDataElementBasic> activeValues = new Dictionary <short, IDataElementBasic>(); foreach (var activeBit in _bitmapManager.GetActiveBits()) { activeValues.Add(activeBit, ReadField(map[activeBit], ref iso)); } return(activeValues); }