protected override void Invoke(Entry sender) { bool Valido; /*if (sender.Text.Length == 3 || sender.Text.Length == 7) * { * sender.Text += "."; * } * else if (sender.Text.Length == 11) * { * sender.Text += "-"; * }*/ Valido = Validates.IsCPF(sender.Text); sender.TextColor = Valido ? Color.FromHex("#002e6c") : Color.Red; }