---

Graphics g;
Bitmap bmp;
int dx = 10;
int dy = 5;


public Form1()
{
    InitializeComponent();
}

private void button1_Click(object sender, EventArgs e)
{
    timer1.Start();
            

}

private void timer1_Tick(object sender, EventArgs e)
{
    bmp = new Bitmap(pictureBox1.Width, pictureBox1.Height);
    g = Graphics.FromImage(bmp);
    g.FillRectangle(new SolidBrush(Color.Aqua), 0, 0, pictureBox1.Width, 200);
    SolidBrush b = new SolidBrush(Color.Coral);
    g.FillEllipse(b, 50+dx, 50+dy, 40, 40);
    dx += 10;
    dy += 5;
    g.FillRectangle(new SolidBrush(Color.DarkSlateBlue),0,180,pictureBox1.Width, 200);
    g.FillRectangle(new SolidBrush(Color.Blue),0,200, pictureBox1.Width, pictureBox1.Height);
  pictureBox1.Image = bmp;
}