How to store multiple images in panel detected from live video C# windows forms

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C#3.5

I have tried this code to get the images detected from live video and storing into the panel but it taking only first detected image i want all images detected using Rectangle Area.

What I have tried:

private VideoCapture capture;

private void Form1_Load(object sender, EventArgs e) {

            capture = new VideoCapture("C://Users/srinivas/Desktop/small.mp4");
            timer1.Start();
        }


        private void timer1_Tick(object sender, EventArgs e)
        {
            Image<Bgr, Byte> CurrentFrame = capture.QueryFrame().ToImage<Bgr,Byte>();
            Image<Gray, byte> bWFrame = CurrentFrame.Convert<Gray, byte>();
            Rectangle rect=new Rectangle(120,100,240,350);
            //CurrentFrame.Draw(rect,new Bgr(Color.DarkSalmon), 1, Emgu.CV.CvEnum.LineType.EightConnected, 0);
            long detectionTime;
            List<Rectangle> faces = new List<Rectangle>();
            List<Rectangle> eyes = new List<Rectangle>();
            DetectFace.Detect(CurrentFrame, "haarcascade_frontalface_default.xml", "haarcascade_eye.xml",faces, eyes,out detectionTime);
            //DetectFace.Detect(bWFrame, "haarcascade_frontalface_default.xml", "haarcascade_eye.xml", faces, eyes, out detectionTime);
            List<PictureBox> pictureBoxList = new List<PictureBox>();
            foreach (Rectangle rectface in faces)
            {
                CurrentFrame.Draw(rectface, new Bgr(Color.DarkSalmon), 1, Emgu.CV.CvEnum.LineType.EightConnected, 0);
                bWFrame.Draw(rectface, new Gray(50), 1, Emgu.CV.CvEnum.LineType.EightConnected, 0);
                //Rectangle ra =  CurrentFrame.ROI;
                Bitmap RectAreaImg = CurrentFrame.ToBitmap();
                Bitmap ExtractedFace = new Bitmap(rectface.Width, rectface.Height);
                Graphics facecanvas = Graphics.FromImage(ExtractedFace);// for a specified image new graphis vl creates
                facecanvas.DrawImage(RectAreaImg, 0, 0, rectface, GraphicsUnit.Pixel);// graphics type ki we r gng to draw image
                PictureBox pic = new PictureBox();
                pic.Image = ExtractedFace;
                //pic.Location = new Point(x, y);              
                pictureBoxList.Add(pic);
                foreach (PictureBox p in pictureBoxList)
                {
                    this.panel1.Controls.Add(p);
                }
                //this.panel1.Controls.Add(pic);
            }
            imageBox1.Image = CurrentFrame;
            //imageBox2.Image = bWFrame;
            label1.Text = Convert.ToString(detectionTime);
            if(CurrentFrame!=null)
            {
                CurrentFrame.Dispose();
            }
        }