Accessing URL from Browsers like Google ,Firefox, Edge , Explorer,opera

#region Windows API Functions Declarations
//This Function is used to get Active Window Title...
[System.Runtime.InteropServices.DllImport("user32.dll",CharSet=System.Runtime.InteropServices.CharSet.Auto)]
public static extern int GetWindowText(IntPtr hwnd,string lpString, int cch);

//This Function is used to get Handle for Active Window...
[System.Runtime.InteropServices.DllImport("user32.dll", CharSet=System.Runtime.InteropServices.CharSet.Auto)]
private static extern IntPtr GetForegroundWindow();

//This Function is used to get Active process ID...
[System.Runtime.InteropServices.DllImport("user32.dll", CharSet=System.Runtime.InteropServices.CharSet.Auto)]
private static extern Int32 GetWindowThreadProcessId(IntPtr hWnd,out Int32 lpdwProcessId);
        #endregion

   public static  Int32 GetWindowProcessID(IntPtr hwnd)
{
//This Function is used to get Active process ID...
Int32 pid;
GetWindowThreadProcessId(hwnd, out pid);
return pid;
        }
public static IntPtr getforegroundWindow()
{
//This method is used to get Handle for Active Window using GetForegroundWindow() method present in user32.dll
return GetForegroundWindow();
}
public static string ActiveApplTitle()
{
//This method is used to get active application's title using GetWindowText() method present in user32.dll
IntPtr hwnd =getforegroundWindow();
if (hwnd.Equals(IntPtr.Zero)) return "";
string lpText = new string((char) 0, 5000);
int intLength = GetWindowText(hwnd, lpText, lpText.Length);
if ((intLength <= 0) || (intLength > lpText.Length)) return "System Application";
return lpText.Trim();
}




 Process p = Process.GetProcessById(pid); 
 strProcessUrl = APIFuncs.GetProcessURL(p);

 public static string GetProcessURL(Process process)
        {
            AutomationElement UrlBarElement = null;
            AutomationElement mainWindowElement = null;
            AutomationElement rootElement = null;
            try
            {
                mainWindowElement = AutomationElement.FromHandle(process.MainWindowHandle);
                if (mainWindowElement == null)
                {
                   // log.Warn(logPrefix + " - Unable to capture the URL as MainWindowElement is Null.");
                    return null;
                }

                switch (process.ProcessName)
                {
                    case "ApplicationFrameHost":                     
                        var elm = mainWindowElement.FindFirst(TreeScope.Children, new AndCondition(
                             new PropertyCondition(AutomationElement.ControlTypeProperty, ControlType.Window),
                             new PropertyCondition(AutomationElement.NameProperty, "Microsoft Edge")));

                        UrlBarElement = elm.FindFirst(TreeScope.Children,
                                           new PropertyCondition(AutomationElement.ControlTypeProperty, ControlType.Edit));
                        break;

                    case "opera":
                        UrlBarElement = mainWindowElement.FindFirst(TreeScope.Descendants, new PropertyCondition(AutomationElement.NameProperty,"opera" ));
                        break;

                    case "chrome":
                        //Condition chromeConditions = new AndCondition(
                        //   new PropertyCondition(AutomationElement.ControlTypeProperty, ControlType.Edit),
                        //   new PropertyCondition(AutomationElement.NameProperty, "chrome", PropertyConditionFlags.IgnoreCase));
                        //UrlBarElement = mainWindowElement.FindFirst(TreeScope.Descendants, new PropertyCondition(AutomationElement.NameProperty, ControlType.Edit));
                     
                        AutomationElement elm1 = mainWindowElement.FindFirst(TreeScope.Children, new PropertyCondition(AutomationElement.NameProperty, "Google Chrome"));
                        AutomationElement elm2 = TreeWalker.RawViewWalker.GetLastChild(elm1);
                        AutomationElement elm3 = elm2.FindFirst(TreeScope.Children, new PropertyCondition(AutomationElement.NameProperty, ""));
                        AutomationElement elm4 = elm3.FindFirst(TreeScope.Children, new PropertyCondition(AutomationElement.ControlTypeProperty, ControlType.ToolBar));
                         UrlBarElement = elm1.FindFirst(TreeScope.Descendants, new PropertyCondition(AutomationElement.NameProperty, "Address and search bar"));
                     
                        //var elm1 = mainWindowElement.FindFirst(TreeScope.Children, new PropertyCondition(AutomationElement.NameProperty, "Google Chrome"));
                        //if (elm1 == null) { return null; } // not the right chrome.exe
                        //var elm2 = elm1.FindAll(TreeScope.Children, new PropertyCondition(AutomationElement.NameProperty, ""))[1];
                        //var elm3 = elm2.FindAll(TreeScope.Children, new PropertyCondition(AutomationElement.NameProperty, ""))[1];
                        //var elm4 = elm3.FindAll(TreeScope.Children, new PropertyCondition(AutomationElement.NameProperty, ""))[1];
                        //var elm5 = elm4.FindFirst(TreeScope.Children, new PropertyCondition(AutomationElement.NameProperty, ""));
                        //UrlBarElement = elm5.FindFirst(TreeScope.Children, new PropertyCondition(AutomationElement.ControlTypeProperty, ControlType.Edit));


                        break;

                    case "firefox":
                            UrlBarElement = mainWindowElement.FindFirst(TreeScope.Subtree,
                              new AndCondition(
                                  new PropertyCondition(AutomationElement.NameProperty, "Search with Google or enter address"),
                                  new PropertyCondition(AutomationElement.ControlTypeProperty, ControlType.Edit)));
                        break;

                    default:
                        UrlBarElement = mainWindowElement.FindFirst(TreeScope.Descendants, new PropertyCondition(AutomationElement.ControlTypeProperty, ControlType.Edit));
                        break;
                }

                if (UrlBarElement != null)
                {
                    string urlbar = string.Empty;
                    if (!(bool)UrlBarElement.GetCurrentPropertyValue(AutomationElement.HasKeyboardFocusProperty))
                    {
                        string sURL = ((ValuePattern)UrlBarElement.GetCurrentPattern(ValuePattern.Pattern)).Current.Value as string;
                        string[] Url = sURL.Split('/');
                        if(Url[0].Trim().ToLower().Contains("https:"))
                        {
                            urlbar = sURL;
                        }
                        else
                        {
                            urlbar = "https://" + sURL;
                        }
                     
                    }
                    var uri = new Uri(urlbar);
                    var baseUrl = uri.GetLeftPart(System.UriPartial.Authority);
                    return baseUrl;
                    //var urlbar = ((ValuePattern)UrlBarElement.GetCurrentPattern(ValuePattern.Pattern)).Current.Value as string;


                }
                else
                {
                    return null;
                }
            }
            catch (Exception exx)
            {
            }
            finally
            {
                mainWindowElement = null;
                process = null;
                UrlBarElement = null;
                rootElement = null;
                //GC.Collect();
            }
            return null;
        }