Imports System.Runtime.InteropServices
Public Class Recompute

    Private Sub Button1_Click(sender As System.Object, e As System.EventArgs) Handles Button1.Click
        Dim objApplication As SolidEdgeFramework.Application = Nothing
        Dim objType As Type = Nothing
        Dim objAssemblyDoc As SolidEdgeAssembly.AssemblyDocument = Nothing
        Dim objAssemblyFeatures As SolidEdgeAssembly.AssemblyFeatures = Nothing
        Try
            ' Create/get the application with specific settings
            objApplication = Marshal.GetActiveObject("SolidEdge.Application")

            If objApplication Is Nothing Then
                ' Get the type from the Solid Edge ProgID
                objType = Type.GetTypeFromProgID("SolidEdge.Application")
                ' Start Solid Edge
                objApplication = Activator.CreateInstance(objType)
                ' Make Solid Edge visible
                objApplication.Visible = True
            End If
            'Get reference to active assembly document
            objAssemblyDoc = objApplication.ActiveDocument
            objAssemblyFeatures = objAssemblyDoc.AssemblyFeatures
            objAssemblyFeatures.Recompute(0)
        Catch ex As Exception
            MsgBox(ex.ToString)
        End Try
    End Sub
End Class