private void Button_Click(object sender, RoutedEventArgs e)
{
if (IsInputValid())
{
var number = new PhoneNumber(PhoneNumberTextBox.Text, OwnerTextBox.Text);
PhoneNumberManager.Instance().AddPhoneNumber(number);
IsValid.Text = "number succesfuly added.";
}
}
public ListNumber()
{
this.InitializeComponent();
if (!isPhoneNumberManagerEmpty())
{
NumberTextBlock.Text = PhoneNumberManager.Instance().getAllNumber().ElementAt(0).number;
OwnerTextBlock.Text = PhoneNumberManager.Instance().getAllNumber().ElementAt(0).owner;
}
}
private bool isPhoneNumberManagerEmpty()
{
return(PhoneNumberManager.Instance().getAllNumber().Count() == 0);
}