Private Sub Form_Load()
    Dim objApp As SolidEdgeFramework.Application
    Dim objDoc As SolidEdgePart.PartDocument
    Dim objBSplns As SolidEdgeFrameworkSupport.BSplineCurves2d
    Dim objBSpln1 As SolidEdgeFrameworkSupport.BSplineCurve2d
    Dim MyArray(9) As Double
    Dim x As Double, y As Double
    Dim sDumpStatus As String    ' Used for temporary storage of datadump return string
    ' Report errors
    Const PI = 3.14159265358979
    ' Create/get the application with specific settings
    On Error Resume Next
    Set objApp = GetObject(, "SolidEdge.Application")
    If Err Then
        Err.Clear
        Set objApp = CreateObject("SolidEdge.Application")
        Set objDoc = objApp.Documents.Add("SolidEdge.PartDocument")
        objApp.Visible = True
    Else
        Set objDoc = objApp.ActiveDocument
    End If
    'Define an Array of Points
    MyArray(0) = 0
    MyArray(1) = 0
    MyArray(2) = 0.03
    MyArray(3) = 0.02
    MyArray(4) = 0.04
    MyArray(5) = 0.01
    MyArray(6) = 0.05
    MyArray(7) = 0.08
    MyArray(8) = 0.07
    MyArray(9) = 0.04
    'Create a BSplineCurves collection object
    Set objBSplns = objDoc.ProfileSets.Add.Profiles.Add(pRefPlaneDisp:= _
                                                        objDoc.RefPlanes(1)).BSplineCurves2d

    'Create a BSplineCurve object
    Set objBSpln1 = objBSplns.AddByPoints(Order:=4, ArraySize:=5, Array:=MyArray())
    ' Call the GetCentroid method
    Call objBSpln1.GetCentroid(x:=x, y:=y)
    ' USER DISPLAY
    ' Release objects
    Set objApp = Nothing
    Set objDoc = Nothing
    Set objBSplns = Nothing
    Set objBSpln1 = Nothing
End Sub