Get Sketch Contours (VB.NET)

'----------------------------------------------------------------------------
' Preconditions: Model document open and contains a Sketch1 feature.
'
' Postconditions: None
'----------------------------------------------------------------------------
Imports SolidWorks.Interop.sldworks
Imports SolidWorks.Interop.swconst
Imports System.Runtime.InteropServices
Imports System
Imports System.Diagnostics

Partial Class SolidWorksMacro

    Sub main()

        Dim myModel As ModelDoc2
        Dim myPart As PartDoc
        Dim SelMgr As SelectionMgr
        Dim mySelectData As SelectData
        Dim myFeature As Feature
        Dim mySketch As Sketch
        Dim contourCount As Integer
        Dim vSkContours As Object
        Dim skContour As SketchContour
        Dim vEdges As Object, myEdge As Edge
        Dim skSegCount As Integer
        Dim vSkSegments As Object
        Dim skSegment As SketchSegment
        Dim skSegType As Integer, skSegTypesString As String = Nothing
        Dim closed As Boolean, closedString As String
        Dim i As Integer, j As Integer, k As Integer
        Dim boolstatus As Boolean


        myModel = swApp.ActiveDoc
        SelMgr = myModel.SelectionManager
        mySelectData = SelMgr.CreateSelectData
        myPart = myModel
        myFeature = myPart.FeatureByName("Sketch1")
        mySketch = myFeature.GetSpecificFeature2()
        '             or
        '    Set mySketch = myModel.GetActiveSketch2()
        '    Set myFeature = mySketch

        If Not mySketch Is Nothing Then
            vSkContours = mySketch.GetSketchContours()
            contourCount = UBound(vSkContours) - LBound(vSkContours) + 1

            Debug.Print("")
            Debug.Print(contourCount & " Contours in sketch " & myFeature.Name)

            For i = LBound(vSkContours) To UBound(vSkContours)
                skContour = vSkContours(i)

                If Not skContour Is Nothing Then
                    closed = skContour.IsClosed()

                    If (closed = 0) Then
                        closedString = "Open"
                    Else
                        closedString = "Closed"
                    End If

                    Debug.Print("  Contour " & i & ": " & closedString)
                    vSkSegments = skContour.GetSketchSegments()
                    skSegCount = UBound(vSkSegments) - LBound(vSkSegments) + 1

                    For j = LBound(vSkSegments) To UBound(vSkSegments)
                        If j = LBound(vSkSegments) Then
                            skSegTypesString = "("
                        End If

                        skSegment = vSkSegments(j)

                        If Not skSegment Is Nothing Then
                            skSegType = skSegment.GetType()
                            Select Case skSegType

                                Case swSketchSegments_e.swSketchLINE
                                    skSegTypesString = skSegTypesString & "line"

                                Case swSketchSegments_e.swSketchARC
                                    skSegTypesString = skSegTypesString & "arc"

                                Case swSketchSegments_e.swSketchELLIPSE
                                    skSegTypesString = skSegTypesString & "ellipse"

                                Case swSketchSegments_e.swSketchPARABOLA
                                    skSegTypesString = skSegTypesString & "parabola"

                                Case swSketchSegments_e.swSketchSPLINE
                                    skSegTypesString = skSegTypesString & "spline"

                                Case swSketchSegments_e.swSketchTEXT
                                    skSegTypesString = skSegTypesString & "text"

                                Case Nothing
                                    skSegTypesString = skSegTypesString & "unknown"

                            End Select

                        End If

                        If j = UBound(vSkSegments) Then
                            skSegTypesString = skSegTypesString & ")"
                        Else
                            skSegTypesString = skSegTypesString & ","
                        End If
                    Next j

                    Debug.Print("    Sketch segment count = " & skSegCount & " " & skSegTypesString)

                    vEdges = skContour.GetEdges()

                    If IsNothing(vEdges) Then
                        Debug.Print("    No edges.")
                    Else
                        For k = LBound(vEdges) To UBound(vEdges)
                            myEdge = vEdges(k)

                            If Not myEdge Is Nothing Then
                                Debug.Print("    Edge " & k & ": ")
                            End If
                        Next k

                    End If

                    boolstatus = skContour.Select2(False, mySelectData)
                    If boolstatus = 0 Then
                        Debug.Print("    Selection of contour failed.")
                    End If

                    Stop

                End If

            Next i

        End If

    End Sub

    
    Public swApp As SldWorks


End Class