Sub RandomPointsOnPolyline()
  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 sValueField As String
  Dim lMaxPoints As Long
  ' The field to get the number of points per polyline
  sValueField = "Meters"
  ' Restrict the max number of points per polylines
  ' if the value for a polyline in the field above is more than the value set below
  ' the lMaxPoints will be used
  lMaxPoints = 100
  sOutFileName = "c:\00\RandomPointsOnPolyline.shp"
  Set pOutFeatureClass = ET.RandomPointsOnPolyline(pInFeatureClass, sOutFileName, _
                                         sValueField, lMaxPoints, sMessage)
  '========================================================================
  If pOutFeatureClass Is Nothing Then
    MsgBox sMessage
  Else
    Set pFeatureLayer = New FeatureLayer
    Set pFeatureLayer.FeatureClass = pOutFeatureClass
    pFeatureLayer.Name = pOutFeatureClass.AliasName
    pMap.AddLayer pFeatureLayer
  End If
End Sub