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...find and highlight text in TWebBrowser?
Autor: sTenYa
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Tip Rating (26):  
     


{....}

private
  procedure 
SearchAndHighlightText(aText: string);
    
{....}

uses mshtml;

{ .... }


procedure TForm1.SearchAndHighlightText(aText: string);
var
  
tr: IHTMLTxtRange; //TextRange Object
begin
  if not 
WebBrowser1.Busy then
  begin
    
tr := ((WebBrowser1.Document as IHTMLDocument2).body as IHTMLBodyElement).createTextRange;
    //Get a body with IHTMLDocument2 Interface and then a TextRang obj. with IHTMLBodyElement Intf.

    
while tr.findText(aText, 1, 0) do //while we have result
    
begin
      
tr.pasteHTML('<span style="background-color: Lime; font-weight: bolder;">' +
        tr.htmlText + '</span>');
      //Set the highlight, now background color will be Lime
      
tr.scrollIntoView(True);
      //When IE find a match, we ask to scroll the window... you dont need this...
    
end;
  end;
end;

// Example:
procedure TForm1.Button1Click(Sender: TObject);
begin
  
SearchAndHighlightText('delphi');
end;

 

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