0 
<div id="lowbtn">
            <a href="javascript:;" class="start" a2s="click" obj="MAIN_START" opt="{&quot;Name&quot;:&quot;L_Start&quot;}"><img src="http://test/btn.png" alt="Go!" class="loading" data-was-processed="true"></a>
            <ul class="server" style="display: none;">
                <li class="Talk">
                    <span class="icon"><img src="http://test/assets/common/btn/icon.png" alt="" class="loading" data-was-processed="true"></span>
                    voice
                    <a href="javascript:;" class="on" id="a_voice_check"><span class="hide">on</span></a>
                </li>
            </ul>
        </div>

my delphi code

procedure TMainForm.WebBrowser1DocumentComplete(ASender: TObject;
  const pDisp: IDispatch; const URL: OleVariant);
var
  CurrentBrowser: IWebBrowser2;
  TopBrowser: IWebBrowser2;
  Document: OleVariant;
  Doc3 :  IHTMLDocument3;    
begin
  CurrentBrowser := pDisp as IWebBrowser2;
 TopBrowser := (ASender as TWebbrowser).DefaultInterface;
 if Assigned(CurrentBrowser) and Assigned(TopBrowser) then
  begin
   if CurrentBrowser = TopBrowser then
    begin

   doc3 := (pDisp as IWebBrowser2).Document as IHTMLDocument3;

   doc3.getElementById('lowbtn').click;     


  end;


  end;

I've tried different methods, but AV is occurring or doesn't work. Does anyone know a problem with my code or know a solution?

thx..

Improve this question
3
  • 1
    On which line is the AV occurring? Use the debugger to find out. Commented May 16, 2021 at 16:01
  • According to my experience, the DocumentComplete event is frequently triggered before the document and all dependencies have been downloaded. To verify this, put your code behing a TButton that you'll click when you see the document is really complete, or use a TTimer to defer the code for long time enough (just for testing, don't do that in production). Commented May 16, 2021 at 16:04
  • What strikes me sporadically: div-Element id="lowbtn" has no Click. Instructions can be found at: github.com/delphidabbler/articles/blob/master/… to github.com/delphidabbler/articles/blob/master/… Commented Jun 23, 2021 at 10:32
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