Sub PointToPolylineWithLink()
  Dim pMxDoc As IMxDocument
  Dim pMap As IMap
  Dim pFeatureLayer As IFeatureLayer
  Dim pInFeatureClass As IFeatureClass
  Dim pOutFeatureClass As IFeatureClass
  Dim sMessage As String
  
  Set pMxDoc = ThisDocument
  Set pMap = pMxDoc.FocusMap
  Set pFeatureLayer = pMxDoc.SelectedLayer
  Set pInFeatureClass = pFeatureLayer.FeatureClass
  '=======================================================================
  Dim ET As New ETGW_Core
  Dim sOutFileName As String
  Dim sIdFieldName As String
  Dim bUseOrder As Boolean
  Dim sOrderFieldName As String
  Dim sLinkField As String
  sIdFieldName = "PolylineID"
  bUseOrder = False
  sOrderFieldName = "PointOrder"
  sLinkField = "Link"
  sOutFileName = "c:\00\point_to_polyline.shp"
  Set pOutFeatureClass = ET.PointToPolyline2(pInFeatureClass, sOutFileName, _
                                        sIdFieldName, bUseOrder, sOrderFieldName, _
                                        sLinkField, sMessage)
  '========================================================================
  If Not pOutFeatureClass Is Nothing Then
    Set pFeatureLayer = New FeatureLayer
    Set pFeatureLayer.FeatureClass = pOutFeatureClass
    pFeatureLayer.Name = pOutFeatureClass.AliasName
    pMap.AddLayer pFeatureLayer
  Else
    MsgBox sMessage
  End If
  Set pMxDoc = Nothing
End Sub