AdvancedWebDriverUsageTests.cs

[TestMethod]
public void WebDriverAdvancedUsage_TakingFullScrenenScreenshot()
{
    this.driver.Navigate().GoToUrl(@"http://automatetheplanet.com");
    this.WaitUntilLoaded();
    string tempFilePath = Path.GetTempFileName().Replace(".tmp", ".png");
    this.TakeFullScreenshot(this.driver, tempFilePath);
}

[TestMethod]
public void WebDriverAdvancedUsage_TakingElementScreenshot()
{
    this.driver.Navigate().GoToUrl(@"http://automatetheplanet.com");
    this.WaitUntilLoaded();
    string tempFilePath = Path.GetTempFileName().Replace(".tmp", ".png");
    this.TakeScreenshotOfElement(this.driver, 
    By.XPath("//*[@id='tve_editor']/div[2]/div[2]/div/div"), tempFilePath);
}