public  static Dictionary<string, SapInfoItem> get_sapInfo()
    {

        Dictionary<string, SapInfoItem> sapInfo = new Dictionary<string, SapInfoItem>();
        GuiApplication sapGuiApp;

        SapROTWr.CSapROTWrapper sapROTWrapper = new SapROTWr.CSapROTWrapper();
        object SapGuilRot = sapROTWrapper.GetROTEntry("SAPGUI");
        object engine = SapGuilRot.GetType().InvokeMember("GetSCriptingEngine", System.Reflection.BindingFlags.InvokeMethod,
            null, SapGuilRot, null);

        sapGuiApp = engine as GuiApplication;
        GuiConnection connection = sapGuiApp.Connections.ElementAt(0) as GuiConnection;

        foreach (GuiSession child_session in connection.Children)
        {
            GuiSession session = child_session as GuiSession;   //connection.Children.ElementAt(0) as GuiSession;
            SapInfoItem sii = new SapInfoItem();
            sii.system_name = session.Info.SystemName;
            sii.client = session.Info.Client;
            sii.client = session.Info.Program;
            sii.screen_number = session.Info.ScreenNumber;
            sii.handle = session.ActiveWindow.Handle;
            sii.transaction = session.Info.Transaction;

            sapInfo.Add(sii.handle.ToString("X"), sii);
        }

        connection.CloseConnection();


    return sapInfo;
    }