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 WindowsApplication5
{
	/// <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.ListBox listBox1;
		/// <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.listBox1 = new System.Windows.Forms.ListBox();
            this.SuspendLayout();
            // 
            // button1
            // 
            this.button1.Font = new System.Drawing.Font("宋体", 9F, System.Drawing.FontStyle.Regular, System.Drawing.GraphicsUnit.Point, ((byte)(134)));
            this.button1.Location = new System.Drawing.Point(101, 172);
            this.button1.Name = "button1";
            this.button1.Size = new System.Drawing.Size(91, 32);
            this.button1.TabIndex = 0;
            this.button1.Text = "计  算";
            this.button1.Click += new System.EventHandler(this.button1_Click);
            // 
            // listBox1
            // 
            this.listBox1.ItemHeight = 15;
            this.listBox1.Location = new System.Drawing.Point(22, 12);
            this.listBox1.Name = "listBox1";
            this.listBox1.Size = new System.Drawing.Size(248, 154);
            this.listBox1.TabIndex = 1;
            // 
            // Form1
            // 
            this.AutoScaleBaseSize = new System.Drawing.Size(8, 18);
            this.ClientSize = new System.Drawing.Size(292, 216);
            this.Controls.Add(this.listBox1);
            this.Controls.Add(this.button1);
            this.Name = "Form1";
            this.Text = "break语句的使用";
            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)
		{
			int k=1;
			int sum=0;
			while(k<100)
			{
				sum=sum+k;
				if(sum>1000)
					break;
				listBox1.Items.Add("从0+…"+k.ToString()+"="+sum.ToString());
				k++;
			}
			
		}
	}
}