C＃坐标键控字典

Point

GetHashCode

Equals

using System;
using System.Collections.Generic;
using System.Drawing;

class Room
{
    public int X
    {
        get;
        set;
    }
}

struct Program
{
    static void Main()
    {
        Dictionary<Point, Room> world = new Dictionary<Point, Room>();

        world.Add(new Point(0, 0), new Room() { X = 0 });
        world.Add(new Point(2, 3), new Room() { X = 2 });

        Room room = world[new Point(2, 3)];

        Console.WriteLine(room.X);
        Console.ReadKey();
    }
}

GetHashCode

Point

Equals

GetHashCode

public Dictionary(IEqualityComparer<TKey> comparer)