+ /**
+ * Sets the "MustBeUpdated" flag: if object is depended on updated features.
+ * \param theFlag is true for objects that must be updated, false for up-to-date
+ */
+ HYDRODATA_EXPORT void SetToUpdate( bool theFlag );
+
+ /**
+ * Returns the "MustBeUpdated" flag: is object data must be updated or not
+ * \returns false if object is up to date
+ */
+ HYDRODATA_EXPORT bool IsMustBeUpdated() const;
+