//C# Containment Object Oriented Programming
public class Person {
    private string m_Name;
    private Address m_Address;
    public virtual string Name {
        get {
            Name = this.m_Name;
        }
        set {
            this.m_Name = value;
        }
    }
    public virtual Address Address {
        get {
            Address = this.m_Address;
        }
        set {
            this.m_Address = value;
        }
    }
}
public class Address {
    private string m_Street;
    private string m_Number;
    private string m_ZipCode;
    private string m_City;
    public virtual string Street {
        get {
            Street = this.m_Street;
        }
        set {
            this.m_Street = value;
        }
    }
    public virtual string Number {
        get {
            Number = this.m_Number;
        }
        set {
            this.m_Number = value;
        }
    }
    public virtual string ZipCode {
        get {
            ZipCode = this.m_ZipCode;
        }
        set {
            this.m_ZipCode = value;
        }
    }
    public virtual string City {
        get {
            City = this.m_City;
        }
        set {
            this.m_City = value;
        }
    }
}
public class Client1 {
    void Main() {
        Address address1 = new Address();
        address1.Street = "Royal Avenue";
        address1.Number = "10";
        address1.ZipCode = "90210";
        address1.City = "Beverly Hills";
        Person person1 = new Person();
        person1.Name = "John";
        person1.Address = address1;
        this.Print(person1);
        Console.ReadLine();
    }
    void Print(Person person) {
        Console.WriteLine(person.Name);
        if ((person.Address != null)) {
            Console.WriteLine(((Number + ", ") 
                            + Street));
            Console.WriteLine(((City + " ") 
                            + ZipCode));
        }
    }
}
public class Client2 {
    void Main() {
        Person person1 = new Person();
        person1.Name = "John";
        person1.Address = new Address();
        person1.Address.Street = "Royal Avenue";
        person1.Address.Number = "10";
        person1.Address.ZipCode = "90210";
        person1.Address.City = "Beverly Hills";
        this.Print(person1);
        Person person2 = new Person();
        person2.Name = "Jane";
        person2.Address = person1.Address;
        this.Print(person2);
        Console.ReadLine();
    }
}
public class Customer {
    private string m_Name;
    private Address m_Address = new Address();
    public virtual string Name {
        get {
            Name = this.m_Name;
        }
        set {
            this.m_Name = value;
        }
    }
    public virtual Address Address {
        get {
            Address = this.m_Address;
        }
        set {
            this.m_Address = value;
        }
    }
}
public class Client3 {
    void Main() {
        Customer customer1 = new Customer();
        customer1.Address.City = "New York";
        Console.WriteLine(customer1.Address.City);
        Console.ReadLine();
    }
}
public class Position {
    private int m_X;
    private int m_Y;
    public virtual int X {
        get {
            X = this.m_X;
        }
        set {
            this.m_X = value;
        }
    }
    public virtual int Y {
        get {
            Y = this.m_Y;
        }
        set {
            this.m_Y = value;
        }
    }
}
public class PositionTextFixture {
    void Main() {
        Position position1 = new Position();
        Console.WriteLine((position1.X == 0));
        Console.WriteLine((position1.Y == 0));
        position1.X = 5;
        Console.WriteLine((position1.X == 5));
        Console.WriteLine((position1.Y == 0));
        position1.Y = 10;
        Console.WriteLine((position1.X == 5));
        Console.WriteLine((position1.Y == 10));
        Console.ReadLine();
    }
}
public class Robot {
    private Position m_Position = new Position();
    private int m_Direction;
    public virtual Position Position {
        get {
            Position = this.m_Position;
        }
    }
    public virtual void Rotate() {
        this.m_Direction += new System.EventHandler(1);
        if ((this.m_Direction > 3)) {
            this.m_Direction = 0;
        }
    }
    public virtual void PlaceStep() {
        object _switch1 = this.m_Direction;

        if (_switch1.Equals(0)) {
            Position.Y = (Position.Y + 1);
        }
        else {
            if (_switch1.Equals(1)) {
                Position.X = (Position.X + 1);
            }
            else {
                if (_switch1.Equals(2)) {
                    Position.Y = (Position.Y - 1);
                }
                else {
                    if (_switch1.Equals(3)) {
                        Position.X = (Position.X - 1);
                    }
                }
            }
        }
    }
}
public class RobotTestFixture {
    public virtual void Main() {
        Robot robot1 = new Robot();
        Console.WriteLine((robot1.Position != null));
        Console.WriteLine((robot1.Position.X == 0));
        Console.WriteLine((robot1.Position.Y == 0));
        robot1.PlaceStep();
        Console.WriteLine((robot1.Position != null));
        Console.WriteLine((robot1.Position.X == 0));
        Console.WriteLine((robot1.Position.Y == 1));
        robot1.PlaceStep();
        Console.WriteLine((robot1.Position != null));
        Console.WriteLine((robot1.Position.X == 0));
        Console.WriteLine((robot1.Position.Y == 2));
        robot1.Rotate();
        Console.WriteLine((robot1.Position != null));
        Console.WriteLine((robot1.Position.X == 0));
        Console.WriteLine((robot1.Position.Y == 2));
        robot1.PlaceStep();
        Console.WriteLine((robot1.Position != null));
        Console.WriteLine((robot1.Position.X == 1));
        Console.WriteLine((robot1.Position.Y == 2));
        robot1.Rotate();
        robot1.PlaceStep();
        Console.WriteLine((robot1.Position != null));
        Console.WriteLine((robot1.Position.X == 1));
        Console.WriteLine((robot1.Position.Y == 1));
        robot1.Rotate();
        robot1.PlaceStep();
        Console.WriteLine((robot1.Position != null));
        Console.WriteLine((robot1.Position.X == 0));
        Console.WriteLine((robot1.Position.Y == 1));
        robot1.Rotate();
        robot1.PlaceStep();
        Console.WriteLine((robot1.Position != null));
        Console.WriteLine((robot1.Position.X == 0));
        Console.WriteLine((robot1.Position.Y == 2));
        Console.ReadLine();
    }
}
public class PointAndLineTestFixtures {
    void Main() {
        this.PointTestFixture();
        this.LineTextFixture();
        Console.ReadLine();
    }
    void PointTestFixture() {
        Point point1 = new Point();
        Console.WriteLine((point1.X == 0));
        Console.WriteLine((point1.Y == 0));
        point1.X = 1;
        Console.WriteLine((point1.X == 1));
        Console.WriteLine((point1.Y == 0));
        point1.Y = 3;
        Console.WriteLine((point1.X == 1));
        Console.WriteLine((point1.Y == 3));
    }
    void LineTextFixture() {
        Line line1 = new Line();
        Console.WriteLine((line1.StartPoint == null));
        Console.WriteLine((line1.EndPoint == null));
        Console.WriteLine((line1.Length == 0));
        Point startPoint = new Point();
    }
}
//Bezoek www.vbvoorbeelden.be voor meer C# voorbeelden.
//Copyright - De Wolf / vbvoorbeelden - 2003-2011 - Alle rechten voorbehouden.