How to open a new tab using Selenium WebDriver?

Question

How to open a new tab in the existing Firefox browser using Selenium WebDriver (a.k.a. Selenium 2)?

Answer 1

To open a new tab in the existing Chrome browser using Selenium WebDriver you can use this code:

driver.FindElement(By.CssSelector("body")).SendKeys(Keys.Control + "t");        
string newTabInstance = driver.WindowHandles[driver.WindowHandles.Count-1].ToString();
driver.SwitchTo().Window(newTabInstance);
driver.Navigate().GoToUrl(url);