Diamonds from a software source

I am going to post here so diamond that I have found in my short life as a programmer.

Some of them I will need to translate to english, but you will get the idea!

private void InicializaMenu() {
  TelaAtual = "3";
  lnkDadosCliente.Enabled = true;
  lnkDadosRisco.Enabled = true;
  lnkSelecaoPlano.Enabled = true;
  if (TelaAtual == "4") {
    lnkTermoAdesao.Enabled = true;
  }
}

Can you tell me the reason for the IF? It is a production code!