Private Sub Form_Load()
    Dim objApp As SolidEdgeFramework.Application
    Dim objDoc As SolidEdgePart.PartDocument
    Dim objLines As SolidEdgeFrameworkSupport.Lines2d
    Dim objLine1 As SolidEdgeFrameworkSupport.Line2d
    Dim objLine2 As SolidEdgeFrameworkSupport.Line2d
    Dim objLine3 As SolidEdgeFrameworkSupport.Line2d
    Dim objChamferGeom2d As SolidEdgeFrameworkSupport.ChamferGeometry2d
    Dim dblAng As Double
    Dim dblSetBackA 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
    'Create an empty Lines2d collection object
    Set objLines = objDoc.ProfileSets.Add.Profiles.Add(pRefPlaneDisp:=objDoc.RefPlanes(1)).Lines2d
    ' Create 2 Line2d objects
    Set objLine1 = objLines.AddBy2Points(x1:=0, y1:=0, x2:=0.1, y2:=0)
    Set objLine2 = objLines.AddBy2Points(x1:=0.1, y1:=0, x2:=0.1, y2:=0.1)
    ' Create another Line object using the AddAsChamfer Method
    Set objLine3 = objLines.AddAsChamfer(Obj1:=objLine1, Obj2:=objLine2, xDirection:=0.05, _
                                         yDirection:=0.03, SetBackA:=0.04, SetBackB:=0.04)
    Set objChamferGeom2d = objLine3.Chamfer
    ' Get the SetBackA of the Chamfer
    dblSetBackA = objChamferGeom2d.SetBackA
    objChamferGeom2d.SetBackA = 0.01
    ' USER DISPLAY
    ' Release objects
    Set objApp = Nothing
    Set objDoc = Nothing
    Set objLines = Nothing
    Set objLine1 = Nothing
    Set objLine2 = Nothing
    Set objLine3 = Nothing
    Set objChamferGeom2d = Nothing
End Sub