form1.cs

c#设计模式随书源码 c#设计模式随书源码

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

namespace indexers
{
	/// <summary>
	/// Summary description for Form1.
	/// </summary>
	public class Form1 : System.Windows.Forms.Form
	{
		private System.Windows.Forms.NumericUpDown numericUpDown1;
		private System.Windows.Forms.TextBox txNum;
		private System.Windows.Forms.ListBox lsBits;
		/// <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.txNum = new System.Windows.Forms.TextBox();
			this.numericUpDown1 = new System.Windows.Forms.NumericUpDown();
			this.lsBits = new System.Windows.Forms.ListBox();
			((System.ComponentModel.ISupportInitialize)(this.numericUpDown1)).BeginInit();
			this.SuspendLayout();
			// 
			// txNum
			// 
			this.txNum.Location = new System.Drawing.Point(80, 32);
			this.txNum.Name = "txNum";
			this.txNum.Size = new System.Drawing.Size(96, 20);
			this.txNum.TabIndex = 0;
			this.txNum.Text = "12345";
			// 
			// numericUpDown1
			// 
			this.numericUpDown1.Location = new System.Drawing.Point(96, 72);
			this.numericUpDown1.Name = "numericUpDown1";
			this.numericUpDown1.Size = new System.Drawing.Size(48, 20);
			this.numericUpDown1.TabIndex = 2;
			this.numericUpDown1.ValueChanged += new System.EventHandler(this.numericUpDown1_ValueChanged);
			// 
			// lsBits
			// 
			this.lsBits.Location = new System.Drawing.Point(96, 120);
			this.lsBits.Name = "lsBits";
			this.lsBits.Size = new System.Drawing.Size(72, 108);
			this.lsBits.TabIndex = 3;
			// 
			// Form1
			// 
			this.AutoScaleBaseSize = new System.Drawing.Size(5, 13);
			this.ClientSize = new System.Drawing.Size(256, 273);
			this.Controls.AddRange(new System.Windows.Forms.Control[] {
																		  this.lsBits,
																		  this.numericUpDown1,
																		  this.txNum});
			this.Name = "Form1";
			this.Text = "Indexer demo";
			((System.ComponentModel.ISupportInitialize)(this.numericUpDown1)).EndInit();
			this.ResumeLayout(false);

		}
		#endregion

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

		private void numericUpDown1_ValueChanged(object sender, System.EventArgs e) {
			//get the index value from the updown control
			int index = Convert.ToInt32 (numericUpDown1.Value );
			//create an instance of the BitList class
			BitList bits = new BitList(txNum.Text );
			//get that bit value using the indexer
			int bit = bits[index];
			//add it to the list box
			lsBits.Items.Add (Convert.ToString (bit));

		}
	}
}