C# screenshot selenium headless

screenshot_selenium_headless.cs

var originalSize = browser.Driver.Manage().Window.Size;

var requiredWidth = (long)browser.Driver.ExecuteScript("return document.body.parentNode.scrollWidth");
var requiredHeight = (long)browser.Driver.ExecuteScript("return document.body.parentNode.scrollHeight");

browser.Driver.Manage().Window.Size = new System.Drawing.Size((int)requiredWidth, (int)requiredHeight);
var formattedDate = DateTime.UtcNow.ToString("yyyy-MM-dd");
var filename = $"{formattedDate}-{targetId}.png";

var profileElement = browser.Driver.FindElement(By.CssSelector("#playerProfile"));
var screenshot = ((ITakesScreenshot)profileElement).GetScreenshot();
screenshot.SaveAsFile(filename);

browser.Driver.Manage().Window.Size = originalSize;