string base64 = "iVBORw0KGgoAAAANSUhEUgAAAAoAAAAKCAYAAACNMs+9AAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsMAAA7DAcdvqGQAAAAUSURBVChTY/hPJBhViBdQW+H//wAj+46A3TfWvAAAAABJRU5ErkJggg==";
return ZennoPoster.CaptchaRecognition("MonkeyEnter.dll", base64,"");