Example SlowLoadableComponent page object

CustomerProgramsPageObject.cs

using System;
using System.Collections;
using System.Collections.Generic;
using System.Data;
using System.Diagnostics;
using OpenQA.Selenium;
using OpenQA.Selenium.Support.PageObjects;
using OpenQA.Selenium.Support.UI;
using Selenium.ExtJs.Support.Locators;

public class CustomerProgramsPageObject : 
    SlowLoadableComponent<MembershipProgramsPageObject>
{
    [FindsBy(How = How.XPath, Using = "//button/div[contains(text(),'Add a program')]")]
    IWebElement addProgramButton = null;
    public ProgramWizardPageObject AddNewProgram()
    {
        this.Load();
        addProgramButton.Click();
        return new ProgramWizardPageObject(WebDriver);
    }

    private const string expectedTitle = "Customer programs";
    protected override bool EvaluateLoadedStatus()
    {
        this.WaitUntilBlockUIFadesOut();
        if ((WebDriver.Title != expectedTitle)) {
            UnableToLoadMessage = string.Format("Invalid title. Expected title: {0}. Actual title: {1}", expectedTitle, WebDriver.Title);
            return false;
        }
        var elements = WebDriver.FindElements(ByExtjs.Query(
             "h2.ui-pages-header span:nodeValue(Customer programs)"));
        if (elements.Count == 0) {
            UnableToLoadMessage = "Customer programs container is not displayed yet";
            return false;
        }
        //Once we get all the way through the IsLoaded(), then we can initialize the page object
        PageFactory.InitElements(WebDriver, this);
        return true;
    }

    protected override void ExecuteLoad()
    {
        //no-op because there is no way to naturally 'navigate' because this represents a component <div/> on a page
    } 
}