How to Take Screenshots With Selenium in C#

Very frequently testers will meet a situation where they need to take screenshot of webpage they are testing , either for base line or as a proof of test result. This is same with automated testing . Even though automated test cases have their own of way of publishing test results, it is always desirable to keep a proof of result.. Screenshot come to help in this regards. In this blog post , I will explain , how to take a screenshot with Selenium Web Driver with C#. In future I will add another couple of post to explain , how to consolidate the screenshots into a PDF document.

In .NET binding, we have an interface called ITakesScreenshot , which helps to capture screenshot of active window. Below code will help to take screenshot and save it in the path specified while calling the function

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// PathToFolder is the location where we need to save the screenshot
// FileName is another string where PathToFolder is appended with timestamp
public void TakeScreenShot(string PathToFolder)
{
  string fileName = PathToFolder + DateTime.Now.ToString("HHmmss") +".jpeg";
  Screenshot cp = ((ITakesScreenshot)driver).GetScreenshot();
  cp.SaveAsFile(fileName, System.Drawing.Imaging.ImageFormat.Jpeg);

}

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