controller.cs

public partial class DomLoadedExampleController : UIViewController
{
	private UIWebView _webView;
	private event EventHandler DomReady;
	
	public override void ViewDidLoad ()
	{
		base.ViewDidLoad ();
	  
	  	//initialze UIWebView instance
	  	_webView = new UIWebView (new Rectangle (0, 0, (int)UIScreen.MainScreen.Bounds.Width, (int)UIScreen.MainScreen.Bounds.Height));
	  
		//wire up DomReady event handler
		DomReady += (object sender, EventArgs e) => {
			//handle the event
			new UIAlertView ("DOM Loaded!", "The DOM has loaded!", null, "OK", null).Show ();
		};

  		//this is called when a link/a element is clicked inside the webview and the location.href is set to a new value
  		//we can catch it to determine if the request.Url contains our "domReady" string
  		_webView.ShouldStartLoad = (UIWebView webView, NSUrlRequest request, UIWebViewNavigationType navType) => {
	  		if(request.Url.AbsoluteString.Contains("domReady")) {
	  			//url contains "domReady". This is our cue :-)
		  		if(DomReady != null) {
		  			//fire event
			  		DomReady(this, EventArgs.Empty);
			  		//do not allow UIWebView to follow this url
			    		return false;
				}
			}
			return true;
	  	};
	  	
	  	_webView.LoadHtmlString ("the html shown above", NSBundle.MainBundle.BundleUrl);
	  	Add (_webView);
	}
}