using System; using System.Drawing; using System.Collections; using System.ComponentModel; using System.Windows.Forms; using System.Data; namespace Example72 { /// /// Summary description for Form1. /// public class Form1 : System.Windows.Forms.Form { private System.Windows.Forms.TextBox textBox1; private System.Windows.Forms.Button button1; private System.Windows.Forms.Button button2; 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.textBox1 = new System.Windows.Forms.TextBox(); this.button1 = new System.Windows.Forms.Button(); this.button2 = new System.Windows.Forms.Button(); this.lstShopping = new System.Windows.Forms.ListBox(); this.SuspendLayout(); // // textBox1 // this.textBox1.Location = new System.Drawing.Point(24, 48); this.textBox1.Name = "textBox1"; this.textBox1.TabIndex = 0; this.textBox1.Text = ""; // // button1 // this.button1.Location = new System.Drawing.Point(168, 48); this.button1.Name = "button1"; this.button1.Size = new System.Drawing.Size(72, 40); this.button1.TabIndex = 1; this.button1.Text = "Add item to listbox"; this.button1.Click += new System.EventHandler(this.button1_Click); // // button2 // this.button2.Location = new System.Drawing.Point(168, 120); this.button2.Name = "button2"; this.button2.TabIndex = 2; this.button2.Text = "Clear"; this.button2.Click += new System.EventHandler(this.button2_Click); // // lstShopping // this.lstShopping.Items.AddRange(new object[] { "coffee", "bread", "milk"}); this.lstShopping.Location = new System.Drawing.Point(272, 48); this.lstShopping.Name = "lstShopping"; this.lstShopping.Size = new System.Drawing.Size(112, 134); this.lstShopping.TabIndex = 3; // // Form1 // this.AutoScaleBaseSize = new System.Drawing.Size(5, 13); this.ClientSize = new System.Drawing.Size(456, 293); this.Controls.Add(this.lstShopping); this.Controls.Add(this.button2); this.Controls.Add(this.button1); this.Controls.Add(this.textBox1); 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 button2_Click(object sender, System.EventArgs e) { lstShopping.Items.Clear(); } private void button1_Click(object sender, System.EventArgs e) { lstShopping.Items.Add(textBox1.Text); } } }