Handling selenium webdriver popups

Question

I'm using Firefox driver for my selenium code written in c# winform. The code is below and I'm trying to get the handle of the popup that comes up on clicking "webtraffic_popup_start_button". This should ideally get the handle of the popup. But what i'm getting back is the handle of the current popup.

string current = driver.CurrentWindowHandle;
driver.FindElement(By.XPath("//*[@id='webtraffic_popup_start_button']")).Click();
Thread.Sleep(Sleep_Seconds);
popup = driver.CurrentWindowHandle;
Thread.Sleep(3000);
driver.SwitchTo().Window(current);
Thread.Sleep(1000);

Any help is much appreciated. Thank you. The popup looks like this.

Answer 1

If you want to handle the most recently poped-up window after the click, then do this:

driver.SwitchTo().Window(driver.WindowHandles.ToList().Last());

If you want to switch between handle popups, or go to the original/ parent popup, then they are done like this:

// For new popup or window
driver.SwitchTo().Window(driver.WindowHandles.ToList().Last());

 // For the parent popup or window
driver.SwitchTo().Window(driver.WindowHandles.ToList().First());
//or
driver.SwitchTo().DefaultContent();