The Timer control is used to execute commands for every tick of time which is specified with an interval. For example, if you want to print your name for every 5 seconds, then you can use the Timer control.

enabled interval

private void timer1_Tick(object sender, EventArgs e)
        {
            progressBar1.Value = progressBar1.Value + 2;
            if (progressBar1.Value == 100)
            {
                timer1.Enabled = false;
                this.Hide();
                Form2 f2 = new Form2();
                f2.Show();
            }
        }