Sub Snap_Polylines()
  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
  If pFeatureLayer Is Nothing Then
    MsgBox "Select a layer in the TOC"
    Exit Sub
  End If
  Set pInFeatureClass = pFeatureLayer.FeatureClass
  '=======================================================================
  Dim ET As New ETGW_Core
  Dim sOutFileName As String
  Dim dSnapTol As Double
  Dim sSnapWhat As String
  Dim pReferenceLayer As IFeatureLayer
  Dim pReferenceFeatureClass As IFeatureClass
  Set pReferenceLayer = ET.GetLayer("Points")
  If pReferenceLayer Is Nothing Then
    Exit Sub
  End If
  Set pReferenceFeatureClass = pReferenceLayer.FeatureClass
  dSnapTol = 0.5
  sSnapWhat = "Insert"
  sOutFileName = "c:\00\test_pgdb.mdb\snapped_polylines"
  Set pOutFeatureClass = ET.SnapPolylines(pInFeatureClass, pReferenceFeatureClass, _
                          sOutFileName, dSnapTol, True, True, sSnapWhat, 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
End Sub