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Get Sketch Contours Example (VBA)

This example shows how to get the sketch contours in a model document.

' Preconditions:
' 1. Open a part that contains a Sketch1 feature.
' 2. Open the Immediate window.
' Postconditions:
' 1. Gets the number of sketch contours in Sketch1 and whether
'    they are open or closed.
' 2. Gets the number of sketch segments in Sketch1 and their type.
' 3. Gets the number of edges Sketch1.
' 4. Examine the Immediate window.
Option Explicit

Sub main()

    Dim swApp As SldWorks.SldWorks
    Dim myModel As SldWorks.ModelDoc2
    Dim myPart As SldWorks.PartDoc
    Dim SelMgr As SldWorks.SelectionMgr
    Dim mySelectData As SldWorks.SelectData
    Dim myFeature As SldWorks.Feature
    Dim mySketch As SldWorks.Sketch
    Dim contourCount As Integer
    Dim vSkContours As Variant
    Dim skContour As SketchContour
    Dim vEdges As Variant, myEdge As SldWorks.Edge
    Dim skSegCount As Long
    Dim vSkSegments As Variant
    Dim skSegment As SldWorks.SketchSegment
    Dim skSegType As Long, skSegTypesString As String
    Dim closed As Boolean, closedString As String
    Dim i As Integer, j As Integer, k As Integer
    Dim boolstatus As Boolean

    Set swApp = Application.SldWorks
    Set myModel = swApp.ActiveDoc
    Set SelMgr = myModel.SelectionManager
    Set mySelectData = SelMgr.CreateSelectData
    Set myPart = myModel
    Set myFeature = myPart.FeatureByName("Sketch1")
    Set 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)
            Set skContour = vSkContours(i)

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

                If (closed = 0) Then
                    closedString = "Open"
                    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

                    Set skSegment = vSkSegments(j)

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

                        Case SwConst.swSketchSegments_e.swSketchLINE
                            skSegTypesString = skSegTypesString & "line"

                        Case SwConst.swSketchSegments_e.swSketchARC
                            skSegTypesString = skSegTypesString & "arc"

                        Case SwConst.swSketchSegments_e.swSketchELLIPSE
                            skSegTypesString = skSegTypesString & "ellipse"

                        Case SwConst.swSketchSegments_e.swSketchPARABOLA
                            skSegTypesString = skSegTypesString & "parabola"

                        Case SwConst.swSketchSegments_e.swSketchSPLINE
                            skSegTypesString = skSegTypesString & "spline"

                        Case SwConst.swSketchSegments_e.swSketchTEXT
                            skSegTypesString = skSegTypesString & "text"

                        Case Default
                            skSegTypesString = skSegTypesString & "unknown"

                        End Select

                    End If

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

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

                vEdges = skContour.GetEdges()

                If IsEmpty(vEdges) Then
                    Debug.Print "    No edges."
                    For k = LBound(vEdges) To UBound(vEdges)
                        Set 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


            End If

        Next i

    End If

End Sub

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