form1.cs

Visual C#2005程序设计教程

using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Text;
using System.Windows.Forms;

namespace WinApp6_7构造函数长方体
{
    public partial class Form1 : Form
    {
        public Form1()
        {
            InitializeComponent();
        }

        private void button1_Click(object sender, EventArgs e)
        {
            double l = double.Parse(txtL.Text);
            double w = double.Parse(txtW.Text);
            double h = double.Parse(txtH.Text);
            Cuboid cuboid = new Cuboid(l, w, h);
            lblInfo.Text="对象创建成功！\n"+"长方体的长、宽、高为：\n"
                +cuboid.Length+"、"+cuboid.Width+"、"+cuboid.High+"\n"
                +"长方体的体积为："+cuboid.Cubage( );
        }
    }
    class Cuboid
    {
        private double length;
        private double width;
        private double high;
        public Cuboid(double l, double w, double h)   // 声明构造函数
        {
            length = l; width = w; high = h;
        }
        public double Length { get { return length; } set { length = value; } }
        public double Width { get { return width; } set { width = value; } }
        public double High { get { return high; } set { high = value; } }
        public double Cubage() { return length * width * high; }
    }
}