private void ContinuationTriggersAdding()
        {
            double side1;
            double side2;
            string sides;

            for (int i = 0; i < _envelopCount; i++)
            {
                do
                {
                    sides = _visualizer.AskSides(Sides.Heigth);
                } while (!_innerDataValidator.ConvertStringToParam(sides, out side1));
                do
                {
                    sides = _visualizer.AskSides(Sides.Width);
                } while (!_innerDataValidator.ConvertStringToParam(sides, out side2));
                _envelopesStorage.AddEnvelope(side1, side2);
            }
            _visualizer.ShowAnswer(_envelopesStorage.Result());
        }