Using Programming Languages other than VBA

Sub Example_MajorAxis()
	' This example creates an ellipse and finds the major axis
	' for that ellipse. It then changes the major axis for the ellipse.
	Dim ellObj As AcadEllipse
	Dim majAxis(0 To 2) As Double
	Dim 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)
	ellObj.Update
	MsgBox "The ellipse has a major axis of " & majAxis(0) & ", " & majAxis(1) & ", " & majAxis(2), vbInformation, "MajorAxis Example"


	' Change the major axis of the ellipse
	majAxis(0) = 5: majAxis(1) = 5: majAxis(2) = 0
	ellObj.MajorAxis = majAxis
	ellObj.Update

	' Query the major axis of an Ellipse
	Dim retMajAxis As Variant
	retMajAxis = ellObj.MajorAxis
	MsgBox "The ellipse has been udpated with the major axis " & retMajAxis(0) & ", " & retMajAxis(1) & ", " & retMajAxis(2), vbInformation, "MajorAxis Example"
End Sub