Automatically logout in windows applications

Question

hi


how to  logout windows applications automatically....




i am using timer control but form is loaded two times...


please give the ans...




i writing like this .....


  private void Form1_Load(object sender, EventArgs e)
        {
            Timer timer1 = new Timer();
            timer1.Interval = (1* 1000); // 45 mins
            timer1.Tick += new EventHandler(timer1_Tick);
            timer1.Start();
        }


        private void timer1_Tick(object sender, EventArgs e)
        {
            if (textBox1.Text == "")
            {
                Form2 f = new Form2();
                f.Show();
                this.Hide();
                timer1.Stop();
            }
           
        }