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Run Interference Detection Example (VBA)

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


'--------------------------------------------------------------------------------------
'
' Preconditions:
'    1. Open <SolidWorks_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 in SolidWorks tutorials, do not save any 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

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

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

' Run interference detection
vInts = pIntMgr.GetInterferences
Debug.Print "# of interferences in 1st run: " & pIntMgr.GetInterferenceCount

' Ignore an interference
vInts(0).Ignore = True

' Run interference detection again (should detect one less interference)
vInts = pIntMgr.GetInterferences
Debug.Print "# of interferences after one is ignored: " & pIntMgr.GetInterferenceCount
Debug.Print ""


Dim i As Long
Dim j As Long
Dim interference As IInterference
Dim vComps As Variant
Dim comp As Component2
Dim vol As Double
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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