Change Element Type
You might find that an object that you have represented as one type of element would be better represented as another type. You can change the type very quickly and simply.
Access On diagram or Project Browser | Click on element | Element | Advanced | Change Type
On the Select Element Type dialog, click on the Element Type drop-down arrow and select the new element type from the list. Click on the OK button.
The target element is transformed into the required type.