Add Items to ListBox : ListBox « GUI Windows Forms « C# / CSharp Tutorial

1. C# / CSharp Tutorial
2. GUI Windows Forms
3. ListBox

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

public class ListBoxItemAdd : System.Windows.Forms.Form
{
  private System.Windows.Forms.Button button1;
  private System.Windows.Forms.TextBox textBox1;
  private System.Windows.Forms.ListBox listBox1;

  private System.ComponentModel.Container components = null;

  public ListBoxItemAdd()
  {
    InitializeComponent();

  }

  protected override void Dispose( bool disposing )
  {
    if( disposing )
    {
      if (components != null) 
      {
        components.Dispose();
      }
    }
    base.Dispose( disposing );
  }

  private void InitializeComponent()
  {
    this.button1 = new System.Windows.Forms.Button();
    this.textBox1 = new System.Windows.Forms.TextBox();
    this.listBox1 = new System.Windows.Forms.ListBox();
    this.SuspendLayout();

    this.button1.Font = new System.Drawing.Font("Verdana", 8.25F, System.Drawing.FontStyle.Bold, System.Drawing.GraphicsUnit.Point, ((System.Byte)(0)));
    this.button1.Location = new System.Drawing.Point(16, 16);
    this.button1.Name = "button1";
    this.button1.Size = new System.Drawing.Size(80, 32);
    this.button1.TabIndex = 0;
    this.button1.Text = "Add";
    this.button1.Click += new System.EventHandler(this.button1_Click);
    // 
    // textBox1
    // 
    this.textBox1.AutoSize = false;
    this.textBox1.Location = new System.Drawing.Point(112, 16);
    this.textBox1.Name = "textBox1";
    this.textBox1.Size = new System.Drawing.Size(168, 32);
    this.textBox1.TabIndex = 1;
    this.textBox1.Text = "textBox1";
    // 
    // listBox1
    // 
    this.listBox1.BackColor = System.Drawing.Color.Red;
    this.listBox1.ForeColor = System.Drawing.SystemColors.HighlightText;
    this.listBox1.Location = new System.Drawing.Point(8, 64);
    this.listBox1.Name = "listBox1";
    this.listBox1.Size = new System.Drawing.Size(272, 238);
    this.listBox1.TabIndex = 2;
    // 
    // ListBoxItemAdd
    // 
    this.AutoScaleBaseSize = new System.Drawing.Size(5, 13);
    this.ClientSize = new System.Drawing.Size(328, 318);
    this.Controls.AddRange(new System.Windows.Forms.Control[] {
                                    this.listBox1,
                                    this.textBox1,
                                    this.button1});
    this.Name = "ListBoxItemAdd";
    this.Text = "ListBoxItemAdd";
    this.ResumeLayout(false);

  }

  [STAThread]
  static void Main() 
  {
    Application.Run(new ListBoxItemAdd());
  }

  private void button1_Click(object sender, System.EventArgs e)
  {
    listBox1.Items.Add(textBox1.Text);
  }
}

23.27.ListBox
	23.27.1.	Set the TopIndex property of the ListBox to ensure the most recently added items are visible
	23.27.2.	Add Items to ListBox
	23.27.3.	Add ContextMenu to ListBox
	23.27.4.	ListBox Items Add
	23.27.5.	ListBox Items Add a Range
	23.27.6.	ListBox Selection Mode
	23.27.7.	Use RadioButton to control ListBox selection mode
	23.27.8.	ListBox Events: SelectedIndexChanged, SelectedValueChanged, DataSourceChanged, DisplayMemberChanged, ValueMemberChanged
	23.27.9.	Add text in the TextBox to the ListBox
	23.27.10.	Fills a ListBox with data from Database