public void SetFormulaString(string newFormulaString, string oldFormulaString)
        {
            if (string.Equals(newFormulaString, oldFormulaString))
            {
                return;
            }
            AddCommand(_moBiFormulaTask.SetFormulaString(_formula, newFormulaString, oldFormulaString, BuildingBlock));

            notifyFormulaChanged();
        }
 public void SetFormulaString(string newFormulaString)
 {
     AddCommand(_moBiFormulaTask.SetFormulaString(_formula, newFormulaString, BuildingBlock));
 }