using System;

using System.Linq;

public class Program

{

    public static void Main()

    {

        var points = new Point[] { new Point(1,1), new Point(2,2), new Point(3,3) };

        var result = points.Zip(points.Skip(1));

        foreach(var entry in result)

        {

            Console.WriteLine(entry);

        }

    }

}

​

public class Point

{

    public int X { get; set; }

    public int Y { get; set; }

    public Point(int x, int y)

    {

        X = x;

        Y = y;

    }

    public override string ToString()

    {

        return "("+X+","+Y+")";

    }

}