static void Main(string[] args)
{
RegistrationBook registrationBook = new RegistrationBook();
registrationBook.RegisterPerson("Ana", "Popescu", Gender.Female);
registrationBook.RegisterPerson("Nadia", "Comanici", Gender.Female);
registrationBook.RegisterPerson("Marian", "Ionescu", Gender.Male);
registrationBook.RegisterPerson("Vasile", "Pop", Gender.Male);
registrationBook.RegisterPerson("Ana", "Andreica", Gender.Female);
Console.WriteLine($"There are {registrationBook.CountFemales()} registered women.");
Console.WriteLine($"There are {registrationBook.CountMales()} registered men.");
}
public CategoryWindow(RegistrationBook registrationBook) : this()
{
RegistrationBook = registrationBook;
lst0.ItemsSource = RegistrationBook.Contracts.
Select(c => c).
Where(c => c.Category == Category.Civil).ToList();
lst1.ItemsSource = RegistrationBook.Contracts.
Select(c => c).
Where(c => c.Category == Category.Criminal).ToList();
lst2.ItemsSource = RegistrationBook.Contracts.
Select(c => c).
Where(c => c.Category == Category.Economic).ToList();
lst3.ItemsSource = RegistrationBook.Contracts.
Select(c => c).
Where(c => c.Category == Category.Administrative).ToList();
}
