C#

public partial class Form1 : Form
    {
        public Form1()
        {
            InitializeComponent();
            timer3.Interval = 1000;
        }

        bool flag = true;
        int delay = 0;

        private void Form1_Load(object sender, EventArgs e)
        {
            this.Left = 0; // right -->Screen.PrimaryScreen.Bounds.Width - this.Width;
            this.Top = Screen.PrimaryScreen.Bounds.Height + this.Height - 30;
            // to make it in the corner + this.height

            timer1.Enabled = true;
        }

        private void timer1_Tick(object sender, EventArgs e)
        {
            flag = true;
            if (this.Top >= Screen.PrimaryScreen.Bounds.Height - this.Height - 30)
            {
                this.Top = this.Top - 10;
            }
            else
            {
                timer1.Enabled = false;
            }
        }

        private void timer2_Tick(object sender, EventArgs e)
        {
            flag = false;
            if (this.Top > Screen.PrimaryScreen.Bounds.Height)
            {
                timer2.Enabled = false;
                timer3.Enabled = true;
                return;
            }

            else
            {
                this.Top = this.Top + 10;
                flag = true;
            }
        }

        private void button1_Click(object sender, EventArgs e)
        {
            timer2.Enabled = true;
        }

        private void timer3_Tick(object sender, EventArgs e)
        {
            if (this.delay >= 5) //delay for 5 second
            {
                this.delay = 0;
                timer1.Enabled = true;
                timer3.Enabled = false;
            }
            else
            {
                this.delay += 1;
            }
        }
    }

catch (Exception ex)<br />
{<br />
throw ex;<br />
}