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Create Body From Selected Faces Example

This example shows how to create a body from one or more selected faces using:

  • IBody2::CreateBodyFromFaces

  • IPartDoc::CreateFeatureFromBody3




' Problem:

'       This example shows how to use some of

'       the geometry and topolgy APIs to

'       construct a temporary API body from a

'       set of selected faces and then create a solid

'       body feature from this temporary body.



' Preconditions:

'       (1) Part is open.

'       (2) At least one face is selected.


' Postconditions: If the selected faces can be knitted into a solid,

'           then a new part is created and the solid (from the

'           selected faces) is inserted as an imported solid

'           body feature.



Option Explicit

Public Enum swBodyType_e

    swAllBodies = -1

    swSolidBody = 0

    swSheetBody = 1

    swWireBody = 2

    swMinimumBody = 3

    swGeneralBody = 4

    swEmptyBody = 5

End Enum

Public Enum swCreateFeatureBodyOpts_e

    swCreateFeatureBodyCheck = &H1

    swCreateFeatureBodySimplify = &H2

End Enum

Sub main()

    Dim swApp                   As SldWorks.SldWorks

    Dim swModel                 As SldWorks.ModelDoc2

    Dim swPart                  As SldWorks.PartDoc

    Dim swNewPart               As SldWorks.PartDoc

    Dim swModeller              As SldWorks.Modeler

    Dim swSelMgr                As SldWorks.SelectionMgr

    Dim swSelFace()             As SldWorks.face2

    Dim vFaceList               As Variant

    Dim swBody                  As SldWorks.body2

    Dim swNewBody               As SldWorks.body2

    Dim swFeat                  As SldWorks.feature

    Dim nSelCount               As Long

    Dim i                       As Long

    Dim bRet                    As Boolean


    Set swApp = CreateObject("SldWorks.Application")

    Set swModel = swApp.ActiveDoc

    Set swPart = swModel

    Set swSelMgr = swModel.SelectionManager

    Set swModeller = swApp.GetModeler


    nSelCount = swSelMgr.GetSelectedObjectCount


    ReDim swSelFace(nSelCount - 1)


    For i = 1 To nSelCount

        Set swSelFace(i - 1) = swSelMgr.GetSelectedObject5(i)



    vFaceList = swSelFace


    Set swBody = swPart.CreateNewBody

    Set swNewBody = swBody.CreateBodyFromFaces(nSelCount, (vFaceList))


    If swNewBody Is Nothing Then

        Debug.Print "Failed to form solid body from selected faces."


        Exit Sub

    End If


    Debug.Assert swSolidBody = swNewBody.GetType


    Set swNewPart = swApp.NewPart


    ' Force creation of a solid body feature

    Set swFeat = swNewPart.CreateFeatureFromBody3(swNewBody, False, _

                    swCreateFeatureBodyCheck + swCreateFeatureBodySimplify)


    ' Must be able to create a solid body feature from a solid body

    Debug.Assert Not swFeat Is Nothing

End Sub


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