private void button1_Click(object sender, EventArgs e)

        {

            for (int i = 0; i < 10; i++)

            {

                Panel pan = new Panel();

                pan.Width = 150;

                pan.Height = 150;

                pan.BackColor = System.Drawing.Color.Yellow;

                flowLayoutPanel1.Controls.Add(pan);



                PictureBox pic = new PictureBox();

                pic.Width = 150;

                pic.Height = 130;

                Image O_Image = Image.FromStream(WebRequest.Create("http://www.baidu.com/img/baidu_logo.gif").GetResponse().GetResponseStream());

                pic.Image = O_Image;

                pic.SizeMode = System.Windows.Forms.PictureBoxSizeMode.StretchImage;

                pan.Controls.Add(pic);



                CheckBox chk2 = new CheckBox();

                chk2.Width = 70;

                chk2.Text = "test" + i.ToString(); chk2.Checked = (i % 1 == 0); chk2.Visible = true;

                chk2.Top = 130;

                chk2.Width = 13;