Probiere es so:
Delphi-Quellcode:
procedure TWebForm.DemoButtonClick(Sender: TObject);
const
markup = '
<html><body><h1>abc</h1></body></html>';
begin
WebBrowser.OleObject.Document.Clear;
WebBrowser.OleObject.Document.
write(markup);
end;
Nimm dazu deinen markup code.
marabu