C#

-Yoyosh- wrote:

Thanks for effort but don`t you have some C# code?

using System;
using System.Runtime.InteropServices;
using System.Collections;

namespace UserLastLogin
{
	/// <summary>
	/// Summary description for Class1.
	/// </summary>
	class Class1
	{
		/// <summary>
		/// The main entry point for the application.
		/// </summary>
		[STAThread]
		static void Main(string[] args)
		{
			//
			// TODO: Add code to start application here
			//
			UserLoginDetails details = new UserLoginDetails();
			ArrayList list = details.Users;
			foreach (UserLastLogin.UserLoginDetails.UserLastLogon users in list)
			{
				Console.WriteLine("User {0}, last logged in on {1}\r\n", users.UserName, users.LastLogon);
			}

			Console.ReadLine();
		}
	}

	public class UserLoginDetails
	{
		[StructLayout(LayoutKind.Sequential, CharSet=CharSet.Unicode)]
		public struct USER_INFO
		{
			public string Name;
			public string Password;
			public int PasswordAge;
			public int Priv;
			public string HomeDirectory;
			public string Comment;
			public int Flags;
			public string ScriptPath;
			public int AuthorisationFlags;
			public string FullName;
			public string UserComment;
			public string Param;
			public string Workstations;
			public int LastLogon;
			public int LastLogoff;
			public int AccountExpires;
			public int MaximumStorage;
			public int UnitsPerWeek;
			public byte LogonHours;
			public int BadPasswordCount;
			public int NumberOfLogons;
			public string LogonServer;
			public int CountryCode;
			public int CodePage;
		}
		[DllImport("Netapi32.dll")]
		extern static int NetUserEnum([MarshalAs(UnmanagedType.LPWStr)] string servername, 
			int level, 
			int filter, 
			out IntPtr bufptr, 
			int prefmaxlen, 
			out int entriesread, 
			out int totalentries, 
			out int resume_handle);

		[DllImport("Netapi32.dll")]
		extern static int NetApiBufferFree(IntPtr Buffer);

		public class UserLastLogon
		{
			private string _userName;
			private DateTime _lastLogon;
			internal UserLastLogon(USER_INFO info)
			{
				_userName = info.Name;
				_lastLogon = new DateTime(1970,1,1,0,0,0,0).AddSeconds(info.LastLogon);
			}
			public string UserName
			{
				get { return _userName ; }
			}
			public DateTime LastLogon
			{
				get { return _lastLogon ; }
			}
		}

		private ArrayList _users = new ArrayList();
		public UserLoginDetails()
		{

			IntPtr bufPtr = new IntPtr();
			int entriesRead;
			int totalEntries;
			int resumeHandle;

			try
			{
				NetUserEnum(null, 2, 2, out bufPtr, -1, out entriesRead, out totalEntries, out resumeHandle);
				if (entriesRead > 0)
				{
					IntPtr iter = bufPtr;
					for (int i = 0; i < entriesRead; i++)
					{
						_users.Add(new UserLastLogon((USER_INFO)Marshal.PtrToStructure(iter, typeof(USER_INFO))));
						iter = new IntPtr(iter.ToInt32() + Marshal.SizeOf(typeof(USER_INFO)));
					}
				}
			}
			finally
			{
				NetApiBufferFree(bufPtr);
			}
		}

		public ArrayList Users
		{
			get { return _users ; }
		}
	}
}

ednrgc wrote:

Can you do my homework too?