private void Save_Click(object sender, RoutedEventArgs e)
{
var contactBook = new ContactBook
{
FullName = fullName.Text,
Email = email.Text,
PhoneNumber = phoneNumber.Text,
Address = address.Text,
//ListBox = listBox.ItemeSources
};
ContactBook.WriteContacBook(contactBook);
this.Frame.Navigate(typeof(AddContact));
}
