How to verify if the element is displayed or not using Selenium Webdriver in C#.Net?

We can check if the element is displayed or not using Displayed property in C#.Net. 

using System;

using System.Collections.Generic;

using System.Linq;

using System.Text;

using System.Threading;

using OpenQA.Selenium;

using OpenQA.Selenium.Firefox;

using OpenQA.Selenium.Chrome;

using OpenQA.Selenium.IE;

using OpenQA.Selenium.Support.UI;

using System.Collections.ObjectModel;

namespace Abc

{

    class Program

    {

        static void Main(string[] args)

        {

            //IWebDriver x = new InternetExplorerDriver(@"F:\selenium\csharp");

            //IWebDriver x = new FirefoxDriver();

            IWebDriver driver=null;

            try

            {

                //launch selenium browser 
                driver = new ChromeDriver(@"F:\selenium\csharp");

                driver.Url = "http://register.rediff.com/register/register.php";

                driver.Manage().Timeouts().ImplicitlyWait(TimeSpan.FromSeconds(20));

                driver.Manage().Timeouts().SetPageLoadTimeout(TimeSpan.FromSeconds(50));

                driver.Manage().Window.Maximize();
                 
                //navigate to url 

                driver.Navigate();

                IWebElement e=null;

                Thread.Sleep(5000);

                //verify if checkbox is displayed or not.

                e = driver.FindElement(By.Name("chk_altemail"));

                Console.WriteLine("Checkbox is displayed?" + e.Displayed);

                Console.ReadLine();

            }

            catch(Exception e){

                 Console.WriteLine("Exception ....*********"+e.ToString());

               

            }

           

            finally{

            Thread.Sleep(2000);

            driver.Quit();

            Console.ReadLine();

            }

           

        }

    }

}

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