Emgu.CV.Capture.RetrieveBgrFrame C# (CSharp) Метод

      public virtual Image<Bgr, Byte> RetrieveBgrFrame()
      {
         return RetrieveBgrFrame(0);
      }

        private void YokalmaSistemi_Load(object sender, EventArgs e)
        {
            Capture capture1 = new Capture();

            capture1.Start();
            if (capture1 == null)
            {
                MessageBox.Show("Kamera Açılamadı");
            }
            else
            {
                capture1.ImageGrabbed += (a, b) =>
                {
                    var            image      = capture1.RetrieveBgrFrame();
                    var            grayimage1 = image.Convert <Gray, byte>();
                    HaarCascade    haaryuz    = new HaarCascade("haarcascade_frontalface_default.xml");
                    MCvAvgComp[][] Yuzler     = grayimage1.DetectHaarCascade(haaryuz, 1.2, 5, HAAR_DETECTION_TYPE.DO_CANNY_PRUNING, new Size(15, 15));
                    MCvFont        font       = new MCvFont(FONT.CV_FONT_HERSHEY_COMPLEX, 0.5, 0.5);
                    foreach (MCvAvgComp yuz in Yuzler[0])
                    {
                        var sadeyuz = grayimage1.Copy(yuz.rect).Convert <Gray, byte>().Resize(100, 100, INTER.CV_INTER_CUBIC);
                        pic_kucuk_res.Image = sadeyuz.ToBitmap();
                        if (train.IsTrained)
                        {
                            name = train.Recognise(sadeyuz);
                            int match_value = (int)train.Get_Eigen_Distance;
                            image.Draw(name + " ", ref font, new Point(yuz.rect.X - 2, yuz.rect.Y - 2), new Bgr(Color.SteelBlue));
                        }
                        image.Draw(yuz.rect, new Bgr(Color.Purple), 2);
                        //  textBox1.Text = name;
                    }
                    pic_kamera.Image = image.ToBitmap();
                };
            }
        }