Edit width extent of an existing flange feature

Public Sub EditFlangeWidths()
    ' Create the active sheet metal document.
    Dim sheetMetalDoc As PartDocument
    Set sheetMetalDoc = ThisApplication.ActiveDocument

    ' Get the sheet metal component definition.
    Dim smCompDef As SheetMetalComponentDefinition
    Set smCompDef = sheetMetalDoc.ComponentDefinition

    Dim smFeatures As SheetMetalFeatures
    Set smFeatures = smCompDef.Features

    ' Get the flange feature.
    Dim flange As FlangeFeature
    Set flange = smFeatures.FlangeFeatures.Item(1)

    ' Position the end of part marker to just before this feature so the
    ' edges are in their original state.
    Call flange.SetEndOfPart(True)

    Dim flangeDef As FlangeDefinition
    Set flangeDef = flange.Definition

    ' Iterate over the four edges and edit the width extent for each one.
    Dim i As Integer
    For i = 1 To 4
        Dim currentEdge As Edge
        Set currentEdge = flangeDef.Edges.Item(i)
        Select Case i
            Case 1
                ' Edit the width extent to be offset as measured from the vertices of the edge.
                Call flangeDef.SetOffsetWidthExtent(currentEdge, currentEdge.StartVertex, 2, currentEdge.StopVertex, 5)
            Case 2
                Call flangeDef.SetEdgeWidthExtent(currentEdge)
            Case 3
                ' Edit the width extent to be an offset width extent.
                Call flangeDef.SetWidthOffsetWidthExtent(currentEdge, 6, 2, currentEdge.StartVertex, True)
            Case 4
                ' Edit the width extent to be centered.
                Call flangeDef.SetCenteredWidthExtent(currentEdge, 10)
        End Select
    Next

    ' Set the stop node back to the bottom of the browser.
    Call smCompDef.SetEndOfPartToTopOrBottom(False)
End Sub