问如何从c#自动登录火狐网站

EN

using System;
using System.Text;
using System.Text.RegularExpressions;
using System.Threading;
using OpenQA.Selenium;
using OpenQA.Selenium.Firefox;
using OpenQA.Selenium.Support.UI;

namespace SeleniumTests
{
    public class Googletest
    {
        private IWebDriver driver;
        private WebDriverWait wait;
        private StringBuilder verificationErrors;
        private string baseURL;
        private bool acceptNextAlert = true;

        public static void Main(string[] args)
        {
            var gt = new Googletest();
            gt.SetupTest();
            gt.TheGoogleTest();
            //gt.TeardownTest();
        }

        public void SetupTest()
        {
            driver = new FirefoxDriver();
            wait = new WebDriverWait(driver, TimeSpan.FromSeconds(10));
            baseURL = "https://www.google.com/";
            verificationErrors = new StringBuilder();
        }

        public void TeardownTest()
        {
            try
            {
                driver.Quit();
            }
            catch (Exception)
            {
                // Ignore errors if unable to close the browser
            }
        }

        public void TheGoogleTest()
        {
            driver.Navigate().GoToUrl(baseURL + "/");
            driver.FindElement(By.Id("gbqfq")).Clear();
            driver.FindElement(By.Id("gbqfq")).SendKeys("Cute Fluffy Cats");
            driver.FindElement(By.Id("gbqfb")).Click();
            wait.Until(d => d.FindElement(By.LinkText("Images"))).Click();

        }
        private bool IsElementPresent(By by)
        {
            try
            {
                driver.FindElement(by);
                return true;
            }
            catch (NoSuchElementException)
            {
                return false;
            }
        }

        private bool IsAlertPresent()
        {
            try
            {
                driver.SwitchTo().Alert();
                return true;
            }
            catch (NoAlertPresentException)
            {
                return false;
            }
        }

        private string CloseAlertAndGetItsText()
        {
            try
            {
                IAlert alert = driver.SwitchTo().Alert();
                string alertText = alert.Text;
                if (acceptNextAlert)
                {
                    alert.Accept();
                }
                else
                {
                    alert.Dismiss();
                }
                return alertText;
            }
            finally
            {
                acceptNextAlert = true;
            }
        }
    }
}