C# 结构（structure）

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace ConsoleApplication24
{
    public struct CoOrds
    {
        public int x, y;

        public CoOrds(int p1, int p2)
        {
            x = p1;
            y = p2;
        }
    }
    class Program
    {
        static void Main(string[] args)
        {
            // Initialize:   使用构造函数初始化
            CoOrds coords1 = new CoOrds();
            CoOrds coords2 = new CoOrds(10, 10);

            // Display results:
            Console.Write("CoOrds 1: ");
            Console.WriteLine("x = {0}, y = {1}", coords1.x, coords1.y);

            Console.Write("CoOrds 2: ");
            Console.WriteLine("x = {0}, y = {1}", coords2.x, coords2.y);

            // Keep the console window open in debug mode.
            Console.WriteLine("Press any key to exit.");
            Console.ReadKey();

            /*  结构可以不使用new关键字声明
            // Declare an object:
            CoOrds coords1;

            // Initialize:
            coords1.x = 10;
            coords1.y = 20;

            // Display results:
            Console.Write("CoOrds 1: ");
            Console.WriteLine("x = {0}, y = {1}", coords1.x, coords1.y);

            // Keep the console window open in debug mode.
            Console.WriteLine("Press any key to exit.");
            Console.ReadKey();
*/
        }
    }
}