public void changeUrl(string url)
        {
            try
            {
                Uri address = new Uri(url);
                url = address.AbsoluteUri;
            }catch (Exception e)
            {
                MessageBox.Show(e.Message);
            }
            Control ctrl = getBrowser();
            if(ctrl is WebBrowser)
            {
                WebBrowser ie = (WebBrowser)ctrl;
                ie.Navigate(url);
            }
            else
            {
                ChromiumWebBrowser chrome = (ChromiumWebBrowser)ctrl;
                chrome.Load(url);
            }
        }