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Run Interference Detection Example (VBA)

This example shows how to run interference detection on an assembly.

'---------------------------------------------------------------------------
' Preconditions:
' 1. Open install_dir\samples\tutorial\advdrawings\bowl and chute.sldasm.
' 2. Open an Immediate window.
'
' Postconditions: Inspect the Immediate window for interference information.
'
' NOTE: Because the assembly is used elsewhere, do not save changes to it.
'---------------------------------------------------------------------------
Option Explicit
Sub main()
    Dim swApp As SldWorks.SldWorks
    Dim swModelDoc As SldWorks.ModelDoc2
    Dim swAssemblyDoc As SldWorks.AssemblyDoc
    Dim pIntMgr As SldWorks.InterferenceDetectionMgr
    Dim vInts As Variant
    Dim i As Long
    Dim j As Long
    Dim interference As IInterference
    Dim vComps As Variant
    Dim comp As Component2
    Dim vol As Double
    Dim vTrans As Variant
    Dim ret As Boolean
   

    Set swApp = Application.SldWorks
    Set swModelDoc = swApp.ActiveDoc
    Set swAssemblyDoc = swModelDoc
    Set pIntMgr = swAssemblyDoc.InterferenceDetectionManager
   

    ' Specify the interference detection settings and options
    pIntMgr.TreatCoincidenceAsInterference = False
    pIntMgr.TreatSubAssembliesAsComponents = True
    pIntMgr.IncludeMultibodyPartInterferences = True
    pIntMgr.MakeInterferingPartsTransparent = False
    pIntMgr.CreateFastenersFolder = True
    pIntMgr.IgnoreHiddenBodies = True
    pIntMgr.ShowIgnoredInterferences = False
    pIntMgr.UseTransform = True
   

    ' Specify how to display non-interfering components
    pIntMgr.NonInterferingComponentDisplay = swNonInterferingComponentDisplay_Wireframe
   

    ' Run interference detection
    vInts = pIntMgr.GetInterferences
    Debug.Print "# of interferences: " & pIntMgr.GetInterferenceCount
   

    ' Get interfering components and transforms
    ret = pIntMgr.GetComponentsAndTransforms(vComps, vTrans)
   

    ' Get interference information
    For i = 0 To UBound(vInts)
        Debug.Print "Interference " & (i + 1)
        Set interference = vInts(i)
        Debug.Print "Number of components in this interference: " & interference.GetComponentCount
        vComps = interference.Components
        For j = 0 To UBound(vComps)
            Set comp = vComps(j)
            Debug.Print "  " & comp.Name2
        Next j
        vol = interference.Volume
        Debug.Print "Interference volume is " & (vol * 1000000000) & " mm^3"
    Next i
   

    ' Stop interference detection
    pIntMgr.Done
   

End Sub



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