Using Programming Languages other than VBA

Sub Example_ElevateOrder()
	' This example creates a spline object in model space.
	' It then elevates the order of the spline.

	' Create the spline
	Dim splineObj As AcadSpline
	Dim startTan(0 To 2) As Double
	Dim endTan(0 To 2) As Double
	Dim fitPoints(0 To 8) As Double

	startTan(0) = 0.5: startTan(1) = 0.5: startTan(2) = 0
	endTan(0) = 0.5: endTan(1) = 0.5: endTan(2) = 0
	fitPoints(0) = 1: fitPoints(1) = 1: fitPoints(2) = 0
	fitPoints(3) = 5: fitPoints(4) = 5: fitPoints(5) = 0
	fitPoints(6) = 10: fitPoints(7) = 0: fitPoints(8) = 0
	Set splineObj = ThisDrawing.ModelSpace.AddSpline(fitPoints, startTan, endTan)
	ZoomAll
	MsgBox "The current order of the spline is " & splineObj.Degree + 1, , "ElevateOrder Example"

	' Elevate the order of the spline
	splineObj.ElevateOrder (splineObj.Degree + 10)
	ThisDrawing.Regen True
	MsgBox "The order of the spline has been raised to " & splineObj.Degree + 1, , "ElevateOrder Example"

End Sub