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Traverse Assembly at Component and Feature Levels Using Recursion Example (VB.NET)

This example shows how to traverse an assembly at the component and feature levels using recursion.

'--------------------------------------------------------------------------

' Preconditions: Open:

'  <SolidWorks_install_dir>\samples\tutorial\PDMWorks\speaker.sldasm

'  or any assembly document

'

' Postconditions:

' 1. Output of the assembly traversal is shown in the Immediate Window.

' 2. The elapsed time to traverse the assembly is also shown

'    in the Immediate Window.

'---------------------------------------------------------------

Option Explicit On

 

Imports SolidWorks.Interop.sldworks

Imports SolidWorks.Interop.swconst

Imports System

Imports System.Diagnostics

Imports System.Diagnostics.Stopwatch

 

Partial Class SolidWorksMacro

 

    Sub TraverseFeatures(ByVal swFeat As Feature, ByVal nLevel As Long)

        Dim swSubFeat As Feature

        Dim sPadStr As String = " "

        Dim i As Long

 

        For i = 0 To nLevel

            sPadStr = sPadStr + "  "

        Next i

        While Not swFeat Is Nothing

            Debug.Print(sPadStr + swFeat.Name + " [" + swFeat.GetTypeName2 + "]")

            swSubFeat = swFeat.GetFirstSubFeature

            If Not swSubFeat Is Nothing Then

                Call TraverseFeatures(swSubFeat, nLevel + 1)

            End If

            If nLevel = 1 Then

                swFeat = swFeat.GetNextFeature

            Else

                swFeat = swFeat.GetNextSubFeature()

            End If

        End While

    End Sub

 

    Sub TraverseComponentFeatures(ByVal swComp As Component2, ByVal nLevel As Long)

        Dim swFeat As Feature

        swFeat = swComp.FirstFeature

        TraverseFeatures(swFeat, nLevel)

    End Sub

 

    Sub TraverseComponent(ByVal swComp As Component2, ByVal nLevel As Long)

        Dim vChildComp As Object

        Dim swChildComp As Component2

        Dim sPadStr As String = " "

        Dim i As Long

 

        For i = 0 To nLevel - 1

            sPadStr = sPadStr + "  "

        Next i

        vChildComp = swComp.GetChildren

        For i = 0 To UBound(vChildComp)

            swChildComp = vChildComp(i)

            Debug.Print(sPadStr & "+" & swChildComp.Name2 & " <" & swChildComp.ReferencedConfiguration & ">")

            TraverseComponentFeatures(swChildComp, nLevel)

            TraverseComponent(swChildComp, nLevel + 1)

        Next i

    End Sub

 

    Sub TraverseModelFeatures(ByVal swModel As ModelDoc2, ByVal nLevel As Long)

        Dim swFeat As Feature

        swFeat = swModel.FirstFeature

        TraverseFeatures(swFeat, nLevel)

    End Sub

 

    Public Sub main()

        Dim swModel As ModelDoc2

        Dim swConfMgr As ConfigurationManager

        Dim swConf As Configuration

        Dim swRootComp As Component2

 

        swApp = CreateObject("SldWorks.Application")

        swModel = swApp.ActiveDoc

        swConfMgr = swModel.ConfigurationManager

        swConf = swConfMgr.ActiveConfiguration

        swRootComp = swConf.GetRootComponent3(true)

 

        Dim myStopwatch As New System.Diagnostics.Stopwatch

        myStopwatch.Start()

 

        Debug.Print("File = " & swModel.GetPathName)

        TraverseModelFeatures(swModel, 1)

        If swModel.GetType = swDocumentTypes_e.swDocASSEMBLY Then

            TraverseComponent(swRootComp, 1)

        End If

 

        myStopwatch.Stop()

        Dim myTimeSpan As TimeSpan

        myTimeSpan = myStopwatch.Elapsed

        Debug.Print("Time = " & myTimeSpan.TotalSeconds & " sec")

 

    End Sub

 

    ''' <summary>

    ''' The SldWorks swApp variable is pre-assigned for you.

    ''' </summary>

    Public swApp As SldWorks

End Class



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