bool semaphoreForDocCompletedEvent;
                
                    private void button12_Click(object sender, EventArgs e)
                        {
                          checkBox1.Checked = false; //unchecked if the NAvigating event is fired and Checked after DocumentCompleted is fired, only to have a visual reference on the Form
                          HtmlDocument doc = Program.wb.Document;
                          HtmlElement ele = doc.GetElementById("menuTable");
                          foreach (HtmlElement sub in ele.All)
                          {
                            if (sub.GetAttribute("href").Contains("something"))
                            {
                              ele = sub;
                              break;
                            }
                          }
    //PHASE 1: clicking on a Web link to navigate to a page that contains other buttons and links                  object obj = ele.DomElement;
                          System.Reflection.MethodInfo mi = obj.GetType().GetMethod("click");
                          mi.Invoke(obj, new object[0]);
    //PHASE 2: Waiting for document completed in order to be sure the document is fully loaded
        
                            semaphoreForDocCompletedEvent = WaitForDocumentCompleted();
                          if (!semaphoreForDocCompletedEvent)
                            throw new Exception("casino in giro!");
                                           
                          ele = doc.GetElementByI("button1").FirstChild.FirstChild.FirstChild.NextSibling;
    //PHASE 3: clicking on a Web button to open a form
        
                          obj = ele.DomElement;
                          mi = obj.GetType().GetMethod("click");
                          mi.Invoke(obj, new object[0]);
    //PHASE 4: displaying a modal MEssageBox that annoy the user a lot
        
                          if (checkBox1.Checked == false)
                            MessageBox.Show("non c'è stato document completed");
                          checkBox1.Checked = false;
                    
    //PHASE 5: submitting the form (that does not need any imput to be filled in)
        
                          ele = doc.GetElementById("planet");
                          ele = ele.FirstChild.NextSibling.NextSibling;
                    
                          obj = ele.DomElement;
                          mi = obj.GetType().GetMethod("submit");
                          mi.Invoke(obj, new object[0]);
                        }
        
        private void webBrowser1_DocumentCompleted(object sender, WebBrowserDocumentCompletedEventArgs e)
            {
              Program.toBox = Program.wb.Document.Body.InnerHtml.ToString();
              if (Program.wb.ReadyState == WebBrowserReadyState.Complete)
              {
                checkBox1.Checked = true;
                IsBusy = false;
              }
            }
        
            private bool WaitForDocumentCompleted()
                { 
                  while (IsBusy)
                  {
                    Application.DoEvents();
                    Thread.SpinWait(1000);
                  }
                  return true;
                }