Selenium experimental Options Disabled?

I'm trying to use the experimental options, but apparently its no longer defined in ChromeOptions, im guessing i'm just missing something?

What is going on here? I have a feeling its something simple that im overlooking.

Im using code from Here

But this is what i get Here

I also cant get that .js to run either, but thats a different problem.

Code

namespace WEBTEST
{
public partial class Form1 : Form
{
    public Form1()
    {
        InitializeComponent();
    }



    private void button1_Click(object sender, EventArgs e)
    {
        ChromeOptions cOptions = new ChromeOptions();
        cOptions.AddArguments("test-type");
        cOptions.AddArguments("start-maximized");
        cOptions.setExperimentalOption("excludeSwitches", Arrays.asList("enable-automation"));

        IWebDriver driver = new ChromeDriver();
        IJavaScriptExecutor js = (IJavaScriptExecutor)driver;
        string title = (string)js.ExecuteScript("run");
        driver.Url = "http://www.Kittens.com";

    }