Using Programming Languages other than VBA

Sub Example_StartPoint()
	' This example creates an elliptical arc and then
	' finds the coordinates of its start point and endpoint.
	Dim ellObj As AcadEllipse
	Dim majAxis(0 To 2) As Double
	Dim center(0 To 2) As Double
	Dim radRatio As Double
	Dim startPoint As Variant
	Dim endPoint As Variant

	' 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)

	' Enter a start angle of 45 degrees, and an end angle of 270 degrees
	ellObj.startAngle = 45 * (3.14 / 180)
	ellObj.endAngle = 270 * (3.14 / 180)
	ZoomAll

	' Find the start and endpoints for the ellipse
	startPoint = ellObj.startPoint
	endPoint = ellObj.endPoint
	MsgBox "This ellipse has a start point of " & startPoint(0) & ", " & startPoint(1) & ", " & startPoint(2) & " and an endpoint of " & endPoint(0) & ", " & endPoint(1) & ", " & endPoint(2), vbInformation, "StartPoint Example"
End Sub