Gets the Utility object for the document.
Supported platforms: Windows only
No additional remarks.
VBA:
Sub Example_Utility()
    ' This example creates a spline in model space using the
    ' CreateTypedArray method off of the utility object.
        
    ' Create the spline
    Dim splineObj As AcadSpline
    Dim startTan As Variant
    Dim endTan As Variant
    Dim fitPoints As Variant
    Dim utilObj As Object   ' CreateTypedArray needs to be a late bound object
    Set utilObj = ThisDrawing.Utility
    
    utilObj.CreateTypedArray startTan, vbDouble, 0.5, 0.5, 0
    utilObj.CreateTypedArray endTan, vbDouble, 0.5, 0.5, 0
    utilObj.CreateTypedArray fitPoints, vbDouble, 1, 1, 0, 5, 5, 0, 10, 0, 0
    Set splineObj = ThisDrawing.ModelSpace.AddSpline(fitPoints, startTan, endTan)
    
    ZoomAll
    
End Sub
Visual LISP:
(vl-load-com)
(defun c:Example_Utility()
    ;; This example creates a spline in model space using the
    ;; CreateTypedArray method off of the utility object.
        
    (setq acadObj (vlax-get-acad-object))
    (setq doc (vla-get-ActiveDocument acadObj))
   
    ;; Create the spline
    (setq utilObj (vla-get-Utility doc))
    
    (vla-CreateTypedArray utilObj 'startTan vlax-vbDouble 0.5 0.5 0)
    (vla-CreateTypedArray utilObj 'endTan vlax-vbDouble 0.5 0.5 0)
    (vla-CreateTypedArray utilObj 'fitPoints vlax-vbDouble 0 0 0 5 5 0 10 0 0)
    
    (setq modelSpace (vla-get-ModelSpace doc))
    (setq splineObj (vla-AddSpline modelSpace fitPoints startTan endTan))
    (vla-ZoomAll acadObj)
)