form1.cs

Visual C#2005程序设计教程

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

namespace WinApp9_11Enum
{
	/// <summary>
	/// Form1 的摘要说明。
	/// </summary>
	public class Form1 : System.Windows.Forms.Form
	{
		private System.Windows.Forms.Button button1;
		private System.Windows.Forms.Button button2;
		private System.Windows.Forms.Button button3;
		private System.Windows.Forms.Label label1;
		/// <summary>
		/// 必需的设计器变量。
		/// </summary>
		private System.ComponentModel.Container components = null;

		public Form1()
		{
			//
			// Windows 窗体设计器支持所必需的
			//
			InitializeComponent();

			//
			// TODO: 在 InitializeComponent 调用后添加任何构造函数代码
			//
		}

		/// <summary>
		/// 清理所有正在使用的资源。
		/// </summary>
		protected override void Dispose( bool disposing )
		{
			if( disposing )
			{
				if (components != null) 
				{
					components.Dispose();
				}
			}
			base.Dispose( disposing );
		}

		#region Windows 窗体设计器生成的代码
		/// <summary>
		/// 设计器支持所需的方法 - 不要使用代码编辑器修改
		/// 此方法的内容。
		/// </summary>
		private void InitializeComponent()
		{
			this.button1 = new System.Windows.Forms.Button();
			this.button2 = new System.Windows.Forms.Button();
			this.button3 = new System.Windows.Forms.Button();
			this.label1 = new System.Windows.Forms.Label();
			this.SuspendLayout();
			// 
			// button1
			// 
			this.button1.Location = new System.Drawing.Point(13, 80);
			this.button1.Name = "button1";
			this.button1.Size = new System.Drawing.Size(75, 40);
			this.button1.TabIndex = 0;
			this.button1.Text = "太阳";
			this.button1.Click += new System.EventHandler(this.button1_Click);
			// 
			// button2
			// 
			this.button2.Location = new System.Drawing.Point(109, 80);
			this.button2.Name = "button2";
			this.button2.Size = new System.Drawing.Size(75, 40);
			this.button2.TabIndex = 1;
			this.button2.Text = "地球";
			this.button2.Click += new System.EventHandler(this.button2_Click);
			// 
			// button3
			// 
			this.button3.Location = new System.Drawing.Point(205, 80);
			this.button3.Name = "button3";
			this.button3.Size = new System.Drawing.Size(75, 40);
			this.button3.TabIndex = 2;
			this.button3.Text = "月亮";
			this.button3.Click += new System.EventHandler(this.button3_Click);
			// 
			// label1
			// 
			this.label1.Font = new System.Drawing.Font("宋体", 12F, System.Drawing.FontStyle.Regular, System.Drawing.GraphicsUnit.Point, ((System.Byte)(134)));
			this.label1.Location = new System.Drawing.Point(32, 24);
			this.label1.Name = "label1";
			this.label1.Size = new System.Drawing.Size(240, 32);
			this.label1.TabIndex = 3;
			// 
			// Form1
			// 
			this.AutoScaleBaseSize = new System.Drawing.Size(8, 18);
			this.ClientSize = new System.Drawing.Size(292, 136);
			this.Controls.Add(this.label1);
			this.Controls.Add(this.button3);
			this.Controls.Add(this.button2);
			this.Controls.Add(this.button1);
			this.Name = "Form1";
			this.Text = "太阳系";
			this.ResumeLayout(false);

		}
		#endregion

		/// <summary>
		/// 应用程序的主入口点。
		/// </summary>
		[STAThread]
		static void Main() 
		{
			Application.Run(new Form1());
		}

		private void button1_Click(object sender, System.EventArgs e)
		{
			SolarSystem sun=SolarSystem.Sun;
			label1.Text="太阳的半径为："+Convert.ToString((int)sun);
		}

		private void button2_Click(object sender, System.EventArgs e)
		{
			SolarSystem earth=SolarSystem.Earth;
			label1.Text="地球的半径为："+Convert.ToString((int)earth);
		}

		private void button3_Click(object sender, System.EventArgs e)
		{
			SolarSystem moon=SolarSystem.Moon;
			label1.Text="月亮的半径为："+Convert.ToString((int)moon);
		}
	}
	public enum SolarSystem
	{
		Sun=700000,    // 太阳半径
		Earth=6380,    // 地球赤道半径
		Moon=1740    // 月亮半径
	}
}