Code:

{

This example shows how to automatically fill in a search string

in the "Search Tip" page and click the search button.

}

uses

MSHTML_TLB;

// first navigate to tipspage

procedure TForm1.Button1Click(Sender: TObject);

begin

Webbrowser1.Navigate('http://www.swissdelphicenter.ch/en/tipsuchen.php');

end;

// Try to access IE instance and fill out the search field with

// a text and click the search button

procedure TForm1.Button3Click(Sender: TObject);

var

hIE: HWND;

ShellWindow: IShellWindows;

WB: IWebbrowser2;

spDisp: IDispatch;

IDoc1: IHTMLDocument2;

Document: Variant;

k, m: Integer;

ovElements: OleVariant;

i: Integer;

begin

ShellWindow := CoShellWindows.Create;

// get the running instance of Internet Explorer

for k := 0 to ShellWindow.Count do

begin

   spDisp := ShellWindow.Item(k);

   if spDisp = nil then Continue;

   // QueryInterface determines if an interface can be used with an object

   spDisp.QueryInterface(iWebBrowser2, WB);

   if WB <> nil then

   begin

     WB.Document.QueryInterface(IHTMLDocument2, iDoc1);

     if iDoc1 <> nil then

     begin

       WB := ShellWindow.Item(k) as IWebbrowser2;

       begin

         Document := WB.Document;

         // count forms on document and iterate through its forms

         for m := 0 to Document.forms.Length - 1 do

         begin

           ovElements := Document.forms.Item(m).elements;

           // iterate through elements

           for i := 0 to ovElements.Length - 1 do

           begin

             // when input fieldname is found, try to fill out

             try

               if (CompareText(ovElements.item(i).tagName, 'INPUT') = 0) and

                 (CompareText(ovElements.item(i).type, 'text') = 0) then

               begin

                 ovElements.item(i).Value := 'FindWindow';

               end;

             except

             end;

             // when Submit button is found, try to click

             try

               if (CompareText(ovElements.item(i).tagName, 'INPUT') = 0) and

                 (CompareText(ovElements.item(i).type, 'SUBMIT') = 0) and

                 (ovElements.item(i).Value = 'Search') then // Suchen fьr German

               begin

                 ovElements.item(i).Click;

               end;

             except

             end;

           end;

         end;

       end;

     end;

   end;

end;

end;