+ /// Allows to set expression (text) error (by the parameters listener)
+ GEOMDATA_EXPORT virtual void setExpressionError(int theComponent, const std::string& theError);
+
+ /// Returns an expression error
+ GEOMDATA_EXPORT virtual std::string expressionError(int theComponent);
+
+ /// Defines the used parameters
+ GEOMDATA_EXPORT virtual void setUsedParameters(int theComponent,
+ const std::set<std::string>& theUsedParameters);
+
+ /// Returns the used parameters
+ GEOMDATA_EXPORT virtual std::set<std::string> usedParameters(int theComponent) const;
+