Returns the area inside the curve
(vlax-curve-getArea curve-obj)
A real number representing the area of the curve, if successful; otherwise nil.
Assume the curve being measured is the ellipse in the following drawing:
Sample curve (ellipse) for vlax-curve-getarea
The ellipseObj variable points to the ellipse VLA-object.
The following command obtains the area of the curve:
_$ (vlax-curve-getArea ellipseObj)
4.712393