Selenium WebDriver: Wait Until Element

How to wait for an element till it comes on the page. C# code to wait for an element in a very generic manner using Selenium WebDriver.

public void WaitUntilElement(By by)

{
Boolean elementFound = false;

Stopwatch sw = new Stopwatch();

sw.Start();

int minutesToWait = Int32.Parse(ConfigurationManager.AppSettings["WaitUntillElementMinutes"]);

while (sw.Elapsed.Minutes < minutesToWait)

{

try

{

var elements = WebDriver.FindElements(by);

if (elements != null && elements.Count > 0)

{

elementFound = true;

break;

}

}

catch (Exception)

{ }

}

if (!elementFound)

{

throw new TimeoutException(string.Format("The expected element '{0}' has not found nder specified time interval of '{1}' minute(s).", by, ConfigurationManager.AppSettings["WaitUntillElementMinutes"]));

}

sw.Stop();

sw = null;

}