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- 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 ListBox1 As System.Windows.Forms.ListBox
- Friend WithEvents Button1 As System.Windows.Forms.Button
-
- '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.
- <System.Diagnostics.DebuggerStepThrough()> Private Sub InitializeComponent()
- Me.ListBox1 = New System.Windows.Forms.ListBox()
- Me.Button1 = New System.Windows.Forms.Button()
- Me.SuspendLayout()
- '
- 'ListBox1
- '
- Me.ListBox1.ItemHeight = 20
- Me.ListBox1.Items.AddRange(New Object() {"First", "Second", "Third", "Fourth", "Fifth" & ChrW(9)})
- Me.ListBox1.Location = New System.Drawing.Point(8, 16)
- Me.ListBox1.Name = "ListBox1"
- Me.ListBox1.Size = New System.Drawing.Size(240, 184)
- Me.ListBox1.TabIndex = 0
- '
- 'Button1
- '
- Me.Button1.Location = New System.Drawing.Point(288, 16)
- Me.Button1.Name = "Button1"
- Me.Button1.Size = New System.Drawing.Size(120, 48)
- Me.Button1.TabIndex = 1
- Me.Button1.Text = "Reverse"
- '
- 'Form1
- '
- Me.AutoScaleBaseSize = New System.Drawing.Size(8, 19)
- Me.ClientSize = New System.Drawing.Size(432, 221)
- Me.Controls.AddRange(New System.Windows.Forms.Control() {Me.Button1, Me.ListBox1})
- Me.Font = New System.Drawing.Font("Microsoft Sans Serif", 12!, System.Drawing.FontStyle.Regular, System.Drawing.GraphicsUnit.Point, CType(0, Byte))
- Me.Name = "Form1"
- Me.Text = "Form1"
- Me.ResumeLayout(False)
-
- End Sub
-
- #End Region
-
- Private Sub Button1_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button1.Click
- ' create a wrapper around the Listbox.Items IList collection.
- 'Dim lbAdapter As ArrayList = ArrayList.Adapter(ListBox1.Items)
- ' reverse their order
- 'lbAdapter.Reverse()
-
- ArrayList.Adapter(ListBox1.Items).Reverse()
-
- End Sub
- End Class
-