procedure TMainForm.ConnectRDPByIndex(index: Integer);
var
  ServerItem: PServerItem;
  tmpRpdFile, cmd: string;
  listview: TListView;
begin
  listview := GetCurrentListview;
  if listview.Items.Count = 0 then Exit;
  if index > listview.Items.Count - 1 then Exit;
  if index < 0 then Exit;

  ServerItem := PServerItem(listview.Items[index].Data);
  tmpRpdFile := CreateRdpFile(ServerItem, listview.ItemIndex + 1, ScreenWidth, ScreenHeight, ForbidCopy);

  cmd := '/c mstsc.exe "%s" /w:%d /h:%d';
  cmd := Format(cmd, [tmpRpdFile, ScreenWidth, ScreenHeight]);
  AddDeleteIp(ServerItem.IP);

  StopLinkMstscWarning(ServerItem.IP);
  ShellExecute(Handle, 'open', 'cmd', PChar(cmd), nil, SW_HIDE);

  TimerCheckTitle.Enabled := HideIP;
  FStopTime := DateUtils.IncSecond(Now, 20);
end;

procedure TMainForm.Button2Click(Sender: TObject);
begin
  ConnectRDPByIndex(3);
end;