procedure TimerProc(h: HWND; uMsg: UINT; id_event: UINT; dwTime: DWORD); stdcall;
begin
  ShowMessage('Bad');
  form1.rdp.disconnect;
end;

procedure TForm1.rdpLoginComplete(Sender: TObject);
begin
  ShowMessage('Login complete!');
  b:=true;
  KillTimer(0, 1);
  rdp.Disconnect;
end;

procedure TForm1.Button1Click(Sender: TObject);
var
  i: integer;
begin
  for i:=1 to 20 do begin
    rdp.Server:='195.134.75.7';
    rdp.AdvancedSettings2.Set_ClearTextPassword('1');
    rdp.AdvancedSettings2.maxEventCount:=5;
    rdp.AdvancedSettings2.RDPPort:=3389;
    Rdp.UserName:='administrator';
    rdp.Connect;
    Application.ProcessMessages;
  end;
end;

procedure TForm1.rdpConnecting(Sender: TObject);
begin
   SetTimer(0, 1, 10000, @timerproc);
end;