property Element.AutoWidth as Long
Gets the width of the element to fit its content ( as if the AutoSize property is True ).

TypeDescription
Long A long expression that specifies the width required to display the element's content.
The AutoWidth property gets the height of the element's content as if the AutoSize property is True. The AutoHeight property gets the height required to display the element's content. The Width / Height property specifies the width /  height of the element while the AutoSize property is False.