Connect to an existing IE Browser in c#

if you like to connect to an existing IE browser and get some events , here is a code snippets to do that .
do not forget to add refrence to SHDocVw .
Yaniv

        private void btnConnExisting_Click(object sender, EventArgs e)
        {
            SHDocVw.ShellWindows shellWindows = new SHDocVw.ShellWindowsClass();

            foreach (SHDocVw.InternetExplorer ie in shellWindows)
            {
                if (ie.LocationURL.Contains("what ever"))
                {
                    MessageBox.Show("Location:" + ie.LocationURL);
                    ie.BeforeNavigate2 += new SHDocVw.DWebBrowserEvents2_BeforeNavigate2EventHandler(this.ie_BeforeNavigate2);
                }
            }
        }

        public void ie_BeforeNavigate2(object pDisp, ref object url, ref object Flags,
            ref object TargetFrameName, ref object PostData, ref object Headers, ref bool Cancel)
        {
            MessageBox.Show("do what you want!");
        }
    }