Spremljanje dogajanja na ekranu

   public Form1()
        {
            InitializeComponent();
            web1 = new WebBrowser();
            web1.Height = 1000;
            web1.Width = 700;
            web1.Navigate("http://www.site");
            web1.ScrollBarsEnabled = true;
            web1.ScriptErrorsSuppressed = true; 
            panel1.Controls.Add(web1);

            while (web1.ReadyState != System.Windows.Forms.WebBrowserReadyState.Complete)
                System.Windows.Forms.Application.DoEvents();
                 System.Threading.Thread.Sleep(1500);
             captureScreen();
            label1.Text = "start...";
           
            
        }

        private  void captureScreen(){
            while (web1.ReadyState != System.Windows.Forms.WebBrowserReadyState.Complete)
                System.Windows.Forms.Application.DoEvents();
            System.Threading.Thread.Sleep(1500);

            Bitmap bmp = new Bitmap(100, 100);
            this.web1.DrawToBitmap(bmp, new Rectangle(0,0,100,100));
            this.pictureBox1.BackgroundImage = bmp;
        }

        private void label1_Click(object sender, EventArgs e)
        {
            timer1.Enabled = true;
        }

        private void tick(object sender, EventArgs e)
        {
            captureScreen();
            label1.Text = label1.Text + ".";
        }