private static bool TryParseSubRange(IDataType baseType, TypeAttributeCollection attributes, IBinder binder, out ISubRangeType subRange) { string str; string str2; if (((attributes != null) && ((attributes.Count >= 2) && (baseType.Category == DataTypeCategory.Primitive))) && (attributes.TryGetValue("LowerBorder", out str2) & attributes.TryGetValue("UpperBorder", out str))) { object obj2; object obj3; IManagedMappableType type = (IManagedMappableType)baseType; System.Type managedType = type.ManagedType; System.Type type3 = type.ManagedType; if (managedType == typeof(byte)) { type3 = typeof(sbyte); } else if (managedType == typeof(ushort)) { type3 = typeof(short); } else if (managedType == typeof(uint)) { type3 = typeof(int); } else if (managedType == typeof(ulong)) { type3 = typeof(long); } if (DataTypeStringParser.TryParse(str, type3, out obj3) & DataTypeStringParser.TryParse(str2, type3, out obj2)) { object obj4; object obj5; if (managedType == type3) { obj4 = obj2; obj5 = obj3; } else { PrimitiveTypeConverter converter = PrimitiveTypeConverter.Default; byte[] data = converter.Marshal(obj2); byte[] buffer2 = converter.Marshal(obj3); converter.UnmarshalPrimitive(managedType, data, 0, data.Length, out obj4); converter.UnmarshalPrimitive(managedType, buffer2, 0, buffer2.Length, out obj5); } string name = $"{baseType.Name} ({obj4}..{obj5})"; IDataType type4 = null; if (binder.TryResolveType(name, out type4)) { subRange = (ISubRangeType)type4; return(true); } } } subRange = null; return(false); }