如何在没有SAP .net连接器的情况下启动SAP？

Question

大家好， 我是一名经济学家，在我工作的办公室中，雇主不喜欢编写脚本（除非您是IT部门的成员），因此无法安装.net连接器。所以我需要没有它的情况下启动SAP。我尝试了下面的代码，但结果是 “您的SAPGUI版本是1.0.0.0，您至少需要6400。请与本地PC支持联系。” 我使用的版本实际上是7400。请提供帮助的人。

using System;
using System.Collections.Generic;
using System.Collections;
using System.Linq;
using System.Text;
using SAPFEWSELib;

namespace SAPGuiAutomated
{
    //created a class for the SAP app, connection, and session objects as well as for common methods. 
    public class SAPActive
    {
        public static GuiApplication SapGuiApp { get; set; }
        public static GuiConnection SapConnection { get; set; }
        public static GuiSession SapSession { get; set; }

        public static void openSap(string env)
        {
            SAPActive.SapGuiApp = new GuiApplication();

            string connectString = null;
            if (env.ToUpper().Equals("DEFAULT"))
            {
                connectString = "<   P11   ERP";
            }
            else
            {
                connectString = env;
            }
            SAPActive.SapConnection = SAPActive.SapGuiApp.OpenConnection(connectString, Sync: true); //creates connection
            SAPActive.SapSession = (GuiSession)SAPActive.SapConnection.Sessions.Item(0); //creates the Gui session off the connection you made
        }

        public static void login(string myclient, string mylogin, string mypass, string mylang)
        {
            GuiTextField client = (GuiTextField)SAPActive.SapSession.ActiveWindow.FindByName("RSYST-MANDT", "GuiTextField");
            GuiTextField login = (GuiTextField)SAPActive.SapSession.ActiveWindow.FindByName("RSYST-BNAME", "GuiTextField");
            GuiTextField pass = (GuiTextField)SAPActive.SapSession.ActiveWindow.FindByName("RSYST-BCODE", "GuiPasswordField");
            GuiTextField language = (GuiTextField)SAPActive.SapSession.ActiveWindow.FindByName("RSYST-LANGU", "GuiTextField");

            client.SetFocus();
            client.Text = myclient;
            login.SetFocus();
            login.Text = mylogin;
            pass.SetFocus();
            pass.Text = mypass;
            language.SetFocus();
            language.Text = mylang;

            GuiButton btn = (GuiButton)SapSession.FindById("/app/con[0]/ses[0]/wnd[0]/tbar[0]/btn[0]");
            btn.SetFocus();
            btn.Press();
        }
        public static void Main(string[] args)
        {
            SAPActive.openSap("<   P11   ERP");
            login("***", Environment.UserName, "***", "EN");
        }
    }
}