//Visual Basic 2010 Containment Object Oriented Programming
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();
    }
}
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