Imports System.IO
Imports System.Runtime.InteropServices

Module Example
    <STAThread()> _
    Sub Main()

        Dim objApplication As SolidEdgeFramework.Application = Nothing
        Dim objPartDocument As SolidEdgePart.PartDocument = Nothing
        Dim objModels As SolidEdgePart.Models = Nothing
        Dim objConstructions As SolidEdgePart.Constructions = Nothing
        Dim objToggleToConstruction As SolidEdgePart.ToggleToConstruction = Nothing
        Dim BodyArray(1) As Object
        Dim iDesignBodiesCount As Long
        Dim iDesignBodyCountAfterToggle As Long

        Try
            OleMessageFilter.Register()

            objApplication = Marshal.GetActiveObject("SolidEdge.Application")
            objPartDocument = objApplication.ActiveDocument
            objModels = objPartDocument.Models
            objConstructions = objPartDocument.Constructions
            objPartDocument.ModelingMode = SolidEdgePart.ModelingModeConstants.seModelingModeOrdered

            ' assumes an input file with at least two design bodies
            BodyArray = New Object(1) {}
            BodyArray(1) = objModels.Item(2).Body

            objToggleToConstruction = objConstructions.ToggleToConstructions.Add(1, BodyArray)

        Catch ex As Exception
            Console.WriteLine(ex.Message)
        Finally
            OleMessageFilter.Revoke()
        End Try
    End Sub
End Module