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Traverse Assembly at Component and Feature Levels Using Recursion Example (VBA)

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


Sub TraverseFeatures(swFeat As SldWorks.Feature, nLevel As Long)

    Dim swSubFeat                   As SldWorks.Feature

    Dim sPadStr                     As String

    Dim i                           As Long

    Dim bReturnValue                As Boolean


    For i = 0 To nLevel

        sPadStr = sPadStr + "  "

    Next i

    While Not swFeat Is Nothing

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

        Set swSubFeat = swFeat.GetFirstSubFeature                

        If Not swSubFeat Is Nothing Then

            Call TraverseFeatures(swSubFeat, nLevel + 1)

        End If        

        If nLevel = 1 Then

            Set swFeat = swFeat.GetNextFeature


            Set swFeat = swFeat.GetNextSubFeature()

        End If


End Sub


Sub TraverseComponentFeatures(swComp As SldWorks.Component2, nLevel As Long)

    Dim swFeat                      As SldWorks.Feature


    Set swFeat = swComp.FirstFeature

    TraverseFeatures swFeat, nLevel

End Sub


Sub TraverseComponent(swComp As SldWorks.Component2, nLevel As Long)

    Dim vChildComp                  As Variant

    Dim swChildComp                 As SldWorks.Component2

    Dim swCompConfig                As SldWorks.Configuration

    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)

        Set swChildComp = vChildComp(i)        

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

        TraverseComponentFeatures swChildComp, nLevel

        TraverseComponent swChildComp, nLevel + 1

    Next i

End Sub


Sub TraverseModelFeatures(swModel As SldWorks.ModelDoc2, nLevel As Long)

    Dim swFeat                      As SldWorks.Feature


    Set swFeat = swModel.FirstFeature

    TraverseFeatures swFeat, nLevel

End Sub


Sub main()

    Dim swApp                       As SldWorks.SldWorks

    Dim swModel                     As SldWorks.ModelDoc2

    Dim swAssy                      As SldWorks.AssemblyDoc

    Dim swConfMgr                   As SldWorks.ConfigurationManager

    Dim swConf                      As SldWorks.Configuration

    Dim swRootComp                  As SldWorks.Component2

    Dim bRet                        As Boolean

    Dim StartTime                   As Double

    Dim FinishTime                  As Double

    Dim TotalTime                   As Double


    Set swApp = CreateObject("SldWorks.Application")

    Set swModel = swApp.ActiveDoc

    Set swConfMgr = swModel.ConfigurationManager

    Set swConf = swConfMgr.ActiveConfiguration

    Set swRootComp = swConf.GetRootComponent3(true)    

    StartTime = Timer ' Start time    

    Debug.Print "File = " & swModel.GetPathName    

    TraverseModelFeatures swModel, 1    

    If swModel.GetType = SwConst.swDocASSEMBLY Then

        TraverseComponent swRootComp, 1

    End If    

    FinishTime = Timer ' End time

    TotalTime = FinishTime - StartTime ' Elapsed time

    Debug.Print ("Time = " & TotalTime & " sec")


End Sub

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