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

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C# / CSharp Tutorial » GUI Windows Forms » ListBox 
23.27.2.Add Items to ListBox
Add Items to 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 Disposebool disposing )
  {
    ifdisposing )
    {
      if (components != null
      {
        components.Dispose();
      }
    }
    base.Disposedisposing );
  }

  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(1616);
    this.button1.Name = "button1";
    this.button1.Size = new System.Drawing.Size(8032);
    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(11216);
    this.textBox1.Name = "textBox1";
    this.textBox1.Size = new System.Drawing.Size(16832);
    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(864);
    this.listBox1.Name = "listBox1";
    this.listBox1.Size = new System.Drawing.Size(272238);
    this.listBox1.TabIndex = 2;
    // 
    // ListBoxItemAdd
    // 
    this.AutoScaleBaseSize = new System.Drawing.Size(513);
    this.ClientSize = new System.Drawing.Size(328318);
    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 visibleSet the TopIndex property of the ListBox to ensure the most recently added items are visible
23.27.2.Add Items to ListBoxAdd Items to ListBox
23.27.3.Add ContextMenu to ListBoxAdd ContextMenu to ListBox
23.27.4.ListBox Items AddListBox Items Add
23.27.5.ListBox Items Add a RangeListBox Items Add a Range
23.27.6.ListBox Selection ModeListBox Selection Mode
23.27.7.Use RadioButton to control ListBox selection modeUse 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
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