Using Programming Languages other than VBA

Sub Example_Center()

	Dim circObj As AcadCircle
	Dim currCenterPt(0 To 2) As Double
	Dim newCenterPt(0 To 2) As Double
	Dim radius As Double

	' Define the initial center point and radius for the circle
	currCenterPt(0) = 20: currCenterPt(1) = 30: currCenterPt(2) = 0
	radius = 3

	' Create the circle in model space
	Set circObj = ThisDrawing.ModelSpace.AddCircle(currCenterPt, radius)
	ZoomAll
	MsgBox "The center point of the circle is " & currCenterPt(0) & ", " & currCenterPt(1) & ", " & currCenterPt(2), vbInformation, "Center Example"

	' Change the center point of the circle
	newCenterPt(0) = 25: newCenterPt(1) = 25: newCenterPt(2) = 0
	circObj.center = newCenterPt
	circObj.Update

	' Query the results of the new center position
	' Notice the output from the center property is a variant
	Dim centerPoint As Variant
	centerPoint = circObj.center
	MsgBox "The center point of the circle is " & centerPoint(0) & ", " & centerPoint(1) & ", " & centerPoint(2), vbInformation, "Center Example"
End Sub