How can I take a screenshot with Selenium WebDriver?

Question

Is it possible to take a screenshot using Selenium WebDriver?

(Note: Not Selenium Remote Control)

Answer 1

Java

public void captureScreenShot(String obj) throws IOException {
    File screenshotFile = ((TakesScreenshot)driver).getScreenshotAs(OutputType.FILE);
    FileUtils.copyFile(screenshotFile, new File("Screenshots\\" + obj + "" + GetTimeStampValue() + ".png"));
}

public String GetTimeStampValue()throws IOException{
    Calendar cal = Calendar.getInstance();
    Date time = cal.getTime();
    String timestamp = time.toString();
    System.out.println(timestamp);
    String systime = timestamp.replace(":", "-");
    System.out.println(systime);
    return systime;
}

Using these two methods you can take a screen shot with the date and time as well.