 private void Form1_Load(object sender, EventArgs e)
        {
            this.timer1.Enabled = true;
            timer1.Interval = 5000;

        }

        private void timer1_Tick(object sender, EventArgs e)
        {
            Form2 f = new Form2();
            f.Show();
            this.Hide();
            this.timer1.Enabled = false;
            
        }