System.Web.Security.FormsAuthentication.SignOut C# (CSharp) Method

		public static void SignOut ()
		{
			Initialize ();

			HttpContext context = HttpContext.Current;
			if (context == null)
				throw new HttpException ("Context is null!");

			HttpResponse response = context.Response;
			if (response == null)
				throw new HttpException ("Response is null!");

			HttpCookieCollection cc = response.Cookies;
			cc.Remove (cookieName);
			HttpCookie expiration_cookie = new HttpCookie (cookieName, String.Empty);
			expiration_cookie.Expires = new DateTime (1999, 10, 12);
			expiration_cookie.Path = cookiePath;
			if (!String.IsNullOrEmpty (cookie_domain))
				expiration_cookie.Domain = cookie_domain;
			cc.Add (expiration_cookie);
			Roles.DeleteCookie ();
		}