Private Sub Form_Load()
    Dim objApp As SolidEdgeframework.Application
    Dim objDoc As SolidEdgepart.PartDocument
    Dim objBody As solidedgegeometry.Body
    Dim objEdges As Object
    Dim objLinEdge As solidedgegeometry.Edge
    Dim objLine As solidedgegeometry.Line
    Dim objApplicn As SolidEdgeframework.Application
    Const TESTFILE = "T:\vbtests\testcases\Curve3d.par"
    ' 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:=igQueryAll)
    ' Get a Linear Edge
    Set objLinEdge = objEdges(1)
    ' Get the Line Curve
    Set objLine = objLinEdge.Geometry
    ' Get the Application property
    Set objApplicn = objLine.Application
    ' USER DISPLAY
    ' Release objects
    Set objApp = Nothing
    Set objDoc = Nothing
    Set objBody = Nothing
    Set objApplicn = Nothing
    Set objLinEdge = Nothing
    Set objEdges = Nothing
    Set objLine = Nothing
End Sub