Untitled

using System;
using System.Runtime.InteropServices;
using SAPFEWSELib;  // Import SAP GUI Scripting API

namespace SAPAutomation
{
    class Program
    {
        static void Main(string[] args)
        {
            try
            {
                // Attach to SAP GUI
                GuiApplication sapGuiApp = (GuiApplication)Marshal.GetActiveObject("SapGui.ScriptingCtrl.1");
                GuiConnection sapConnection = (GuiConnection)sapGuiApp.Children.ElementAt(0);
                GuiSession sapSession = (GuiSession)sapConnection.Children.ElementAt(0);

                // Display the available SAP sessions
                Console.WriteLine("Connected to SAP System: " + sapConnection.Name);

                // Find username/password fields & login button (You need to find correct IDs from SAP)
                GuiTextField userField = (GuiTextField)sapSession.FindById("wnd[0]/usr/txtRSYST-BNAME");
                GuiTextField passwordField = (GuiTextField)sapSession.FindById("wnd[0]/usr/pwdRSYST-BCODE");
                GuiButton loginButton = (GuiButton)sapSession.FindById("wnd[0]/tbar[1]/btn[0]");

                // Perform login
                userField.Text = "your_username";
                passwordField.Text = "your_password";
                loginButton.Press();

                Console.WriteLine("Login Successful!");
            }
            catch (Exception ex)
            {
                Console.WriteLine("Error: " + ex.Message);
            }
        }
    }
}