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 objLine1 As SolidEdgeFrameworkSupport.Line2d
    Dim MyArray(9) 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())
    If objBSpln1.NodeCount <> 5 Then
        MsgBox ("Error in the Extend method")
    End If
    ' Create a Line object
    Set objLine1 = objDoc.ProfileSets.Add.Profiles.Add(pRefPlaneDisp:= _
                                                       objDoc.RefPlanes(1)).Lines2d.AddBy2Points _
                                                       (x1:=0.06, y1:=0.035, x2:=0.09, y2:=0.035)
    ' Extend the object
    Call objBSpln1.Extend(x:=0.09, y:=0.1, TargetObj:=objLine1)
    ' USER DISPLAY
    ' Release objects
    Set objApp = Nothing
    Set objDoc = Nothing
    Set objBSplns = Nothing
    Set objBSpln1 = Nothing
    Set objLine1 = Nothing
End Sub