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Get Faces Affected by Feature Example (VBA)

This example shows how to get the faces affected by a feature. This example also highlights the edges on each affected face in blue.

' Preconditions:
' 1. Open a model document.
' 2. Select a feature, such as a draft, that affects faces.
' Postconditions:
' 1. Highlights the edges of the faces in blue that are affected
'    by the selected feature.
' 2. Examine the graphics area.

Option Explicit

Dim swApp As SldWorks.SldWorks
Dim swModel As SldWorks.ModelDoc2
Dim swSelMgr As SldWorks.SelectionMgr
Dim swModelExt As SldWorks.ModelDocExtension
Dim swFeature As SldWorks.Feature
Dim vAffectedFaces As Variant
Dim vEdges As Variant
Dim nFaceCount As Long
Dim nEdgeCount As Long
Dim i As Long
Dim j As Long

Sub main()

    Set swApp = Application.SldWorks
    Set swModel = swApp.ActiveDoc
    Set swModelExt = swModel.Extension
    Set swSelMgr = swModel.SelectionManager
    Set swFeature = swSelMgr.GetSelectedObject6(1, -1)
    swModel.ClearSelection2 (True)

    nFaceCount = swFeature.GetAffectedFaceCount
    Debug.Print "Number of faces affected by selected feature = " & nFaceCount
    vAffectedFaces = swFeature.GetAffectedFaces

    For i = 0 To (nFaceCount - 1)
        nEdgeCount = vAffectedFaces(i).GetEdgeCount
        Debug.Print "   Number of edges on Face " & i; " = " & nEdgeCount
        vEdges = vAffectedFaces(i).GetEdges

        For j = 0 To (nEdgeCount - 1)
         vEdges(j).Display 2, 0, 0, 1, True
        Next j
    Next i

End Sub

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