Untitled

using System;
using System.Runtime.InteropServices;
using System.Threading;

namespace SAPAutomation
{
    class Program
    {
        static void Main(string[] args)
        {
            try
            {
                Console.WriteLine($"[{DateTime.Now}] Connecting to SAP GUI...");

                // Attach to the SAP GUI scripting engine
                Type sapGuiType = Type.GetTypeFromProgID("SapGui.ScriptingCtrl.1");
                if (sapGuiType == null)
                {
                    throw new Exception("SAP GUI Scripting Control not found. Ensure it is registered and installed.");
                }

                dynamic sapGuiApp = Activator.CreateInstance(sapGuiType);
                if (sapGuiApp == null)
                {
                    throw new Exception("Failed to create an instance of SAP GUI scripting application.");
                }
                Console.WriteLine($"[{DateTime.Now}] Successfully connected to SAP GUI Scripting Control!");

                // Open SAP connection
                Console.WriteLine($"[{DateTime.Now}] OpenConnection called...");
                dynamic sapConnection = sapGuiApp.OpenConnection("SRS");
                if (sapConnection == null)
                {
                    throw new Exception("Failed to open SAP connection. Ensure the system name is correct.");
                }
                Console.WriteLine($"[{DateTime.Now}] Connection established!");

                // Wait for session readiness
                Console.WriteLine($"[{DateTime.Now}] Checking for active sessions...");
                int maxWaitTime = 15000; // Max wait time in milliseconds
                int waitInterval = 1000; // Polling interval in milliseconds
                int elapsedTime = 0;

                while (sapConnection.Children.Count == 0 && elapsedTime < maxWaitTime)
                {
                    Console.WriteLine($"[{DateTime.Now}] Waiting for the SAP session to be ready...");
                    Thread.Sleep(waitInterval);
                    elapsedTime += waitInterval;
                }

                if (sapConnection.Children.Count == 0)
                {
                    throw new Exception("No active SAP session found after waiting.");
                }

                dynamic sapSession = sapConnection.Children(0); // First session in the connection
                if (sapSession == null)
                {
                    throw new Exception("No active SAP session found. Ensure the connection is valid.");
                }

                Console.WriteLine($"[{DateTime.Now}] Session ready!");

                // Example: Maximize the SAP window
                Console.WriteLine($"[{DateTime.Now}] Maximize SAP window...");
                sapSession.FindById("wnd[0]").Maximize();
                Thread.Sleep(2000); // Pause for 2 seconds

                // Example: Perform login
                Console.WriteLine($"[{DateTime.Now}] Performing login...");
                sapSession.FindById("wnd[0]/usr/txtRSYST-BNAME").Text = "your_username";
                sapSession.FindById("wnd[0]/usr/pwdRSYST-BCODE").Text = "your_password";
                sapSession.FindById("wnd[0]/tbar[0]/btn[0]").Press();
                Thread.Sleep(50000); // Pause for 3 seconds after login

                Console.WriteLine($"[{DateTime.Now}] Login operation performed successfully.");
            }
            catch (COMException ex)
            {
                Console.WriteLine($"COM Error: {ex.Message}");
            }
            catch (Exception ex)
            {
                Console.WriteLine($"Error: {ex.Message}");
            }
        }
    }
}