Using Programming Languages other than VBA

Sub Example_MinorRadius()
  ' This example creates an Ellipse in model space and displays
  ' both the Major radius and the Minor radius of the new Ellipse
  
	Dim ellObj As AcadEllipse
	Dim majAxis(0 To 2) As Double, center(0 To 2) As Double
	Dim radRatio As Double

	' Create an ellipse in model space
	center(0) = 5: center(1) = 5: center(2) = 0
	majAxis(0) = 10: majAxis(1) = 20: majAxis(2) = 0
	radRatio = 0.3
	Set ellObj = ThisDrawing.ModelSpace.AddEllipse(center, majAxis, radRatio)

	ThisDrawing.Application.ZoomAll

	' Display radius information
	MsgBox "The major radius of the new Ellipse is: " & ellObj.majorRadius & vbCrLf & _
		 "The minor radius of the new Ellipse is: " & ellObj.minorRadius
End Sub