/// <summary>
 /// Initiates a navigation to htmlContent as source HTML of a new
 /// document. The htmlContent parameter may not be larger than 2 MB of
 /// characters. The origin of the new page will be about:blank.
 /// </summary>
 /// <param name="htmlContent"></param>
 public void NavigateToString(string htmlContent)
 {
     if (_webView2WebView == null)
     {
         return;
     }
     _webView2WebView.NavigateToString(htmlContent);
 }