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 objStudyOwner As SolidEdgePart.StudyOwner = Nothing
        Dim strStudyName As String = "Statis Study1" 'Study name.

        Try
            OleMessageFilter.Register()

            ' Connect to Solid Edge
            objApplication = Marshal.GetActiveObject("SolidEdge.Application")
            objPartDocument = objApplication.ActiveDocument

            objStudyOwner = objPartDocument.StudyOwner
            objStudyOwner.SetStudyActive(strStudyName)

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