DocumentLinks.cs

browser.LoadingStateChanged += OnLoadingStateChanged;

//A slightly more complicated example
private void OnLoadingStateChanged(object sender, LoadingStateChangedEventArgs args)
{
	//Wait for the Page to finish loading
	if (args.IsLoading == false)
	{
		const string script = @"(function()
    					{
	    					var linksArray = new Array();
	    					for (var i = 0; i < document.links.length; i++)
	    					{
	    						linksArray[i] = [String(document.links[i].innerHTML),
	    								String(document.links[i].innerText),
	    								String(document.links[i].href)];
	    					}
	    					return linksArray;
    					})();";

		browser.EvaluateScriptAsync(script).ContinueWith(x =>
		{
			var response = x.Result;

			if (response.Success && response.Result != null)
			{
				var list = (List<object>)response.Result;
				//Do something here (To interact with the UI you must call BeginInvoke)
			}      
		});
	}
}

OnePlusOne.cs

browser.LoadingStateChanged += OnLoadingStateChanged;

//A very basic example
private void OnLoadingStateChanged(object sender, LoadingStateChangedEventArgs args)
{
	//Wait for the Page to finish loading
	if (args.IsLoading == false)
	{
		//Reccomended to use an anon closure
		const string script = @"(function()
    					{
	    					return 1 + 1;
    					})();";

		browser.EvaluateScriptAsync(script).ContinueWith(x =>
		{
			var response = x.Result;

			if (response.Success && response.Result != null)
			{
				var onePlusOne = (int)response.Result;
				//Do something here (To interact with the UI you must call BeginInvoke)
			}      
		});
	}
}