Public Class Form1 Inherits System.Windows.Forms.Form #Region " Windows Form Designer generated code " Public Sub New() MyBase.New() 'This call is required by the Windows Form Designer. InitializeComponent() 'Add any initialization after the InitializeComponent() call End Sub 'Form overrides dispose to clean up the component list. Protected Overloads Overrides Sub Dispose(ByVal disposing As Boolean) If disposing Then If Not (components Is Nothing) Then components.Dispose() End If End If MyBase.Dispose(disposing) End Sub Friend WithEvents Button1 As System.Windows.Forms.Button Friend WithEvents ListBox1 As System.Windows.Forms.ListBox 'Required by the Windows Form Designer Private components As System.ComponentModel.Container 'NOTE: The following procedure is required by the Windows Form Designer 'It can be modified using the Windows Form Designer. 'Do not modify it using the code editor. Private Sub InitializeComponent() Me.ListBox1 = New System.Windows.Forms.ListBox() Me.Button1 = New System.Windows.Forms.Button() Me.SuspendLayout() ' 'ListBox1 ' Me.ListBox1.Font = New System.Drawing.Font("Verdana", 9!, System.Drawing.FontStyle.Regular, System.Drawing.GraphicsUnit.Point, CType(0, Byte)) Me.ListBox1.ItemHeight = 14 Me.ListBox1.Location = New System.Drawing.Point(8, 48) Me.ListBox1.Name = "ListBox1" Me.ListBox1.Size = New System.Drawing.Size(480, 284) Me.ListBox1.TabIndex = 2 ' 'Button1 ' Me.Button1.Font = New System.Drawing.Font("Verdana", 9!, System.Drawing.FontStyle.Regular, System.Drawing.GraphicsUnit.Point, CType(0, Byte)) Me.Button1.Location = New System.Drawing.Point(8, 8) Me.Button1.Name = "Button1" Me.Button1.Size = New System.Drawing.Size(168, 32) Me.Button1.TabIndex = 0 Me.Button1.Text = "Show Keys and Values" ' 'Form1 ' Me.AutoScaleBaseSize = New System.Drawing.Size(5, 13) Me.ClientSize = New System.Drawing.Size(512, 373) Me.Controls.AddRange(New System.Windows.Forms.Control() {Me.ListBox1, Me.Button1}) Me.Name = "Form1" Me.Text = "SortedList Demo" Me.ResumeLayout(False) End Sub #End Region Private Sub Button1_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button1.Click Dim sList As New System.Collections.SortedList() ' USE THE COMMENTED LINES TO CREATE A SORTEDLIST WITH ' DATES AS KEYS AND NAMES AS VALUES 'sList.Add(#4/5/1990#, "Andrea") 'sList.Add(#1/12/1989#, "Joe") 'sList.Add(#12/22/2000#, "Albert") 'sList.Add(#8/8/1965#, "Elisabeth") 'sList.Add(#11/11/1971#, "Robert") 'sList.Add(#3/9/1998#, "Mary Ann") 'sList.Add(#9/20/1999#, "Alice") 'sList.Add(#4/9/2004#, "Nicole") 'sList.Add(#10/2/2001#, "Bruce") 'sList.Add(#5/25/1985#, "Andrea") sList.Add(16, "item 3") sList.Add(10, "item 9") sList.Add(15, "item 4") sList.Add(17, "item 2") sList.Add(11, "item 8") sList.Add(14, "item 5") sList.Add(18, "item 1") sList.Add(12, "item 7") sList.Add(19, "item 0") sList.Add(13, "item 6") Dim SLEnum As IDictionaryEnumerator SLEnum = sList.GetEnumerator() ListBox1.Items.Clear() ListBox1.Items.Add("The HashTable's Keys and Value") While SLEnum.MoveNext ListBox1.Items.Add("Key = " & SLEnum.Key.ToString & ", Value= " & SLEnum.Value.ToString) End While ListBox1.Items.Add("The HashTable's Values by Index") Dim idx As Integer For idx = 0 To sList.Count - 1 ListBox1.Items.Add("Item " & sList.GetByIndex(idx).ToString & " is at location " & sList.IndexOfValue(sList.GetByIndex(idx)).ToString) Next ListBox1.Items.Add("The HashTable's Keys by Index") For idx = 0 To sList.Count - 1 ListBox1.Items.Add("The key at location " & idx.ToString & " is " & sList.GetKey(idx).ToString) Next End Sub End Class