using System; using System.Drawing; using System.Collections; using System.ComponentModel; using System.Windows.Forms; using System.Data; namespace Example73 { /// /// Summary description for Form1. /// public class Form1 : System.Windows.Forms.Form { private System.Windows.Forms.Label label1; private System.Windows.Forms.TextBox textBox1; private System.Windows.Forms.ListBox lstShopping; /// /// Required designer variable. /// private System.ComponentModel.Container components = null; public Form1() { // // Required for Windows Form Designer support // InitializeComponent(); // // TODO: Add any constructor code after InitializeComponent call // } /// /// Clean up any resources being used. /// protected override void Dispose( bool disposing ) { if( disposing ) { if (components != null) { components.Dispose(); } } base.Dispose( disposing ); } #region Windows Form Designer generated code /// /// Required method for Designer support - do not modify /// the contents of this method with the code editor. /// private void InitializeComponent() { this.lstShopping = new System.Windows.Forms.ListBox(); this.label1 = new System.Windows.Forms.Label(); this.textBox1 = new System.Windows.Forms.TextBox(); this.SuspendLayout(); // // lstShopping // this.lstShopping.Items.AddRange(new object[] { "sugar", "milk", "bread"}); this.lstShopping.Location = new System.Drawing.Point(16, 24); this.lstShopping.Name = "lstShopping"; this.lstShopping.Size = new System.Drawing.Size(120, 95); this.lstShopping.TabIndex = 0; this.lstShopping.SelectedIndexChanged += new System.EventHandler(this.listBox1_SelectedIndexChanged); // // label1 // this.label1.Location = new System.Drawing.Point(168, 56); this.label1.Name = "label1"; this.label1.Size = new System.Drawing.Size(104, 48); this.label1.TabIndex = 1; this.label1.Text = "You have selected item number"; // // textBox1 // this.textBox1.Location = new System.Drawing.Point(296, 56); this.textBox1.Name = "textBox1"; this.textBox1.TabIndex = 2; this.textBox1.Text = ""; // // Form1 // this.AutoScaleBaseSize = new System.Drawing.Size(5, 13); this.ClientSize = new System.Drawing.Size(408, 277); this.Controls.Add(this.textBox1); this.Controls.Add(this.label1); this.Controls.Add(this.lstShopping); this.Name = "Form1"; this.Text = "Form1"; this.ResumeLayout(false); } #endregion /// /// The main entry point for the application. /// [STAThread] static void Main() { Application.Run(new Form1()); } private void listBox1_SelectedIndexChanged(object sender, System.EventArgs e) { textBox1.Text = lstShopping.SelectedIndex.ToString(); } } }