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Categories / C# Tutorial / GUI Windows Forms
 

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 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);   } }