C#第二章1

using System;

namespace CSharpPractice
{
    struct Rectangle
    {
        public int xLeftTop;//左上角横坐标
        public int yLeftTop;//左上角纵坐标
        public int width;   //矩形的宽
        public int height;  //矩形的高

        public Rectangle(int x, int y, int w, int h)
        {
            xLeftTop = x;
            yLeftTop = y;
            width = w;
            height = h;
        }
    }

    class Program
    {
        static void Main(string[] args)
        {
            Rectangle rect;
            rect.xLeftTop = 20;
            rect.yLeftTop = 30;
            rect.width = 200;
            rect.height = 300;

            Console.WriteLine("xLeftTop = {0}, yLeftTop = {1}\nwidth = {2}, height = {3}", rect.xLeftTop, rect.yLeftTop, rect.width, rect.height);
        }
    }
}