// sample using System; using System.Windows.Forms; using System.Drawing; using System.Collections; public class TestForm : Form { static void Main () { TestForm form = new TestForm (); Application.Run (form); } public TestForm () { ListBox listbox = new ListBox (); listbox.Parent = this; listbox.Location = new Point (5, 5); listbox.Sorted = true; // Comment this for second case listbox.Items.AddRange (new string [] {"Bill", "Jeff", "Albert"}); //listbox.Sorted = true; // Uncomment this for second case } }