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 例6_1访问数组所有元素
{
	/// <summary>
	/// Form1 的摘要说明。
	/// </summary>
	public class Form1 : System.Windows.Forms.Form
	{
		private long [ ]longA;
		private int i=0;
		private System.Windows.Forms.TextBox textBox1;
		private System.Windows.Forms.Button button1;
		private System.Windows.Forms.Label label1;
		private System.Windows.Forms.Label label2;
		/// <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.textBox1 = new System.Windows.Forms.TextBox();
            this.button1 = new System.Windows.Forms.Button();
            this.label1 = new System.Windows.Forms.Label();
            this.label2 = new System.Windows.Forms.Label();
            this.SuspendLayout();
            // 
            // textBox1
            // 
            this.textBox1.Location = new System.Drawing.Point(154, 49);
            this.textBox1.Name = "textBox1";
            this.textBox1.Size = new System.Drawing.Size(134, 25);
            this.textBox1.TabIndex = 0;
            // 
            // button1
            // 
            this.button1.Location = new System.Drawing.Point(144, 169);
            this.button1.Name = "button1";
            this.button1.Size = new System.Drawing.Size(100, 29);
            this.button1.TabIndex = 1;
            this.button1.Text = "确认";
            this.button1.Click += new System.EventHandler(this.button1_Click);
            // 
            // label1
            // 
            this.label1.Location = new System.Drawing.Point(15, 87);
            this.label1.Name = "label1";
            this.label1.Size = new System.Drawing.Size(362, 65);
            this.label1.TabIndex = 2;
            // 
            // label2
            // 
            this.label2.Location = new System.Drawing.Point(101, 8);
            this.label2.Name = "label2";
            this.label2.Size = new System.Drawing.Size(133, 30);
            this.label2.TabIndex = 3;
            this.label2.Text = "输入第1个整数：";
            this.label2.TextAlign = System.Drawing.ContentAlignment.BottomLeft;
            // 
            // Form1
            // 
            this.AutoScaleBaseSize = new System.Drawing.Size(8, 18);
            this.ClientSize = new System.Drawing.Size(389, 239);
            this.Controls.Add(this.label2);
            this.Controls.Add(this.label1);
            this.Controls.Add(this.button1);
            this.Controls.Add(this.textBox1);
            this.Name = "Form1";
            this.Text = "输出数组各元素值";
            this.Load += new System.EventHandler(this.Form1_Load);
            this.ResumeLayout(false);
            this.PerformLayout();

		}
		#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)
		{
			if(button1.Text=="确认")
			{
				longA[i]=Convert.ToInt32(textBox1.Text);
				i++;
				textBox1.Clear( );
				textBox1.Focus( );
				label2.Text="输入第"+Convert.ToString(i+1)+"个整数";
				if(i==(longA.Length))
				{
					button1.Focus( );
					button1.Text="输出";
					label2.Text="";
				}
			}
			else
			{
                Array.Sort(longA);
				label1.Text="共输入"+longA.Length.ToString( )+"个数："
					+"\n    ";
				for(int num=0;num<longA.Length;num++)
				{
					label1.Text+=string.Format("{0,5:#}",longA[num]);
					if(num==4)
						label1.Text+="\n    ";
				}
			}
		}

		private void Form1_Load(object sender, System.EventArgs e)
		{
			longA=new long[10];
		}

	}
}