Determines whether the given spline is periodic.
Supported platforms: Windows only
Read-only: Yes
Type: Boolean
No additional remarks.
VBA:
Sub Example_IsPeriodic()
' This example creates a Spline object in model space and
' determines if the Spline is periodic
Dim splineObj As AcadSpline
Dim startTan(0 To 2) As Double, endTan(0 To 2) As Double
Dim fitPoints(0 To 8) As Double
Dim UserMessage As String
' Define the Spline object
startTan(0) = 0.5: startTan(1) = 0.5: startTan(2) = 0
endTan(0) = 0.5: endTan(1) = 0.5: endTan(2) = 0
fitPoints(0) = 0: fitPoints(1) = 0: fitPoints(2) = 0: fitPoints(3) = 5
fitPoints(4) = 5: fitPoints(5) = 0: fitPoints(6) = 10: fitPoints(7) = 0: fitPoints(8) = 0
' Create new Spline object
Set splineObj = ThisDrawing.ModelSpace.AddSpline(fitPoints, startTan, endTan)
ThisDrawing.Application.ZoomAll
' Display whether or not new Spline is periodic
UserMessage = IIf(splineObj.IsPeriodic, "is periodic", "is not periodic")
MsgBox "The new Spline " & UserMessage
End Sub
Visual LISP:
(vl-load-com)
(defun c:Example_IsPeriodic()
;; This example creates a Spline object in model space and
;; determines if the Spline is periodic
(setq acadObj (vlax-get-acad-object))
(setq doc (vla-get-ActiveDocument acadObj))
;; Define the Spline object
(setq startTan (vlax-3d-point 0.5 0.5 0)
endTan (vlax-3d-point 0.5 0.5 0)
fitPoints (vlax-make-safearray vlax-vbDouble '(0 . 8)))
(vlax-safearray-fill fitPoints '(0 0 0
5 5 0
10 0 0
)
)
;; Create new Spline object
(setq modelSpace (vla-get-ModelSpace doc))
(setq splineObj (vla-AddSpline modelSpace fitPoints startTan endTan))
(vla-ZoomAll acadObj)
;; Display whether or not new Spline is periodic
(setq UserMessage (if (= (vla-get-IsPeriodic splineObj) :vlax-true) "is periodic" "is not periodic"))
(alert (strcat "The new Spline " UserMessage))
)