MODELAPI_EXPORT ModelAPI_Expression();
/// Reinitializes the internal state of the attribute (may be needed on undo/redo, abort, etc)
MODELAPI_EXPORT virtual void reinit() = 0;
+ /// Resets attribute to deafult state.
+ MODELAPI_EXPORT virtual void reset() {
+ myIsInitialized = false;
+ };
bool myIsInitialized; ///< is some value assigned to this attribute