//the method adds a figure to the FigureList class, and draws the desired figure (Ellipse)
private void button4_Click(object sender, EventArgs e)
{
figlist.figarray.Add("Ell");
using (grx = Graphics.FromImage(bmp))
{
grx.DrawEllipse(Pens.Black, figlist.GetEllipse(Convert.ToInt32(textBox16.Text), Convert.ToInt32(textBox15.Text), Convert.ToInt32(textBox14.Text), Convert.ToInt32(textBox13.Text)));
}
pictureBox1.Image = bmp;
}
