form1.cs

来自「OOP With Microsoft VB.NET And Csharp Ste」· CS 代码 · 共 144 行

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

namespace Singleton
{
	/// <summary>
	/// Summary description for Form1.
	/// </summary>
	public class Form1 : System.Windows.Forms.Form
	{
		private System.Windows.Forms.ListBox listOne;
		private System.Windows.Forms.ListBox listTwo;
		private System.Windows.Forms.TextBox newString;
		private System.Windows.Forms.Button addString;
		/// <summary>
		/// Required designer variable.
		/// </summary>
		private System.ComponentModel.Container components = null;

		public Form1()
		{
			//
			// Required for Windows Form Designer support
			//
			InitializeComponent();

			//
			// TODO: Add any constructor code after InitializeComponent call
			//
		}

		/// <summary>
		/// Clean up any resources being used.
		/// </summary>
		protected override void Dispose( bool disposing )
		{
			if( disposing )
			{
				if (components != null) 
				{
					components.Dispose();
				}
			}
			base.Dispose( disposing );
		}

		#region Windows Form Designer generated code
		/// <summary>
		/// Required method for Designer support - do not modify
		/// the contents of this method with the code editor.
		/// </summary>
		private void InitializeComponent()
		{
			this.listOne = new System.Windows.Forms.ListBox();
			this.listTwo = new System.Windows.Forms.ListBox();
			this.newString = new System.Windows.Forms.TextBox();
			this.addString = new System.Windows.Forms.Button();
			this.SuspendLayout();
			// 
			// listOne
			// 
			this.listOne.Location = new System.Drawing.Point(16, 16);
			this.listOne.Name = "listOne";
			this.listOne.Size = new System.Drawing.Size(120, 95);
			this.listOne.TabIndex = 0;
			// 
			// listTwo
			// 
			this.listTwo.Location = new System.Drawing.Point(152, 16);
			this.listTwo.Name = "listTwo";
			this.listTwo.Size = new System.Drawing.Size(120, 95);
			this.listTwo.TabIndex = 1;
			// 
			// newString
			// 
			this.newString.Location = new System.Drawing.Point(16, 152);
			this.newString.Name = "newString";
			this.newString.TabIndex = 2;
			this.newString.Text = "";
			// 
			// addString
			// 
			this.addString.Location = new System.Drawing.Point(16, 208);
			this.addString.Name = "addString";
			this.addString.TabIndex = 3;
			this.addString.Text = "Add String";
			this.addString.Click += new System.EventHandler(this.addString_Click);
			// 
			// Form1
			// 
			this.AutoScaleBaseSize = new System.Drawing.Size(5, 13);
			this.ClientSize = new System.Drawing.Size(292, 266);
			this.Controls.AddRange(new System.Windows.Forms.Control[] {
																		  this.addString,
																		  this.newString,
																		  this.listTwo,
																		  this.listOne});
			this.Name = "Form1";
			this.Text = "Form1";
			this.Load += new System.EventHandler(this.Form1_Load);
			this.ResumeLayout(false);

		}
		#endregion

		/// <summary>
		/// The main entry point for the application.
		/// </summary>
		[STAThread]
		static void Main() 
		{
			Application.Run(new Form1());
		}


		Singleton singletonOne;
		Singleton singletonTwo;
		private void Form1_Load(object sender, System.EventArgs e)
		{
			//The following line won 抰 compile because there 抯 no
			//public constructor.
			//Singleton aSingleton = new Singleton();
			singletonOne =Singleton.GetInstance();
			singletonTwo =Singleton.GetInstance();
		}


		private void addString_Click(object sender, System.EventArgs e)
		{
			singletonOne.AddString(newString.Text);
			listOne.DataSource = null;
			listOne.Items.Clear();
			listOne.DataSource = singletonOne.GetStrings();
			listTwo.DataSource = null;
			listTwo.Items.Clear();
			listTwo.DataSource = singletonTwo.GetStrings();
		}
	}
}