Private Sub Form_Load()
    Dim objApp As SolidEdgeframework.Application
    Dim objDoc As SolidEdgepart.PartDocument
    Dim objBody As solidedgegeometry.Body
    Dim objEdges As Object
    Dim objGeom As Object
    Dim objEllpEdge As solidedgegeometry.Edge
    Dim objEllipse As solidedgegeometry.Ellipse
    Const TESTFILE = "T:\vbtests\testcases\Curve3d.par"
    Dim dblMajAxis() As Double
    ' 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
    ' Open the TestFile
    Set objDoc = objApp.Documents.Open(TESTFILE)
    ' Get the Model object
    Set objBody = objDoc.Models(1).Body
    ' Get Edges Collection object
    Set objEdges = objBody.Edges(EdgeType:=igQueryEllipse)
    ' Get an Elliptical Edge
    Set objEllpEdge = objEdges(1)
    ' Get the Elliptical Curve
    Set objEllipse = objEllpEdge.Geometry
    ' Get the MajorAxis
    Call objEllipse.GetMajorAxis(MajorAxis:=dblMajAxis())
    ' USER DISPLAY
    ' Release objects
    Set objApp = Nothing
    Set objDoc = Nothing
    Set objBody = Nothing
    Set objEllpEdge = Nothing
    Set objEdges = Nothing
    Set objEllipse = Nothing
End Sub