Windows.GetWindowRect(hwnd_PW,WinRectPW);



procedure TForm1.Timer1Timer(Sender: TObject);
var
  h: HWnd;
  Text: array [0..255] of char;
begin
  h:=GetWindow(Handle, GW_HWNDFIRST);
  while h <> 0 do
  begin
    if GetWindowText(h, @Text, 255)>0 then
    if GetClassName(h, @Text, 255)>0 then
    if (StrPas(Text)='CabinetWClass') or (StrPas(Text)='IEFrame') then
      ENumChildWindows(h);
    h:=GetWindow(h, GW_HWNDNEXT);
  end;
end;