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Imports System.Windows.Forms
public class MenuItemAddRemoveItemListBox
public Shared Sub Main
Application.Run(New Form1)
End Sub
End class
Public Class Form1
Inherits System.Windows.Forms.Form
Public Sub New()
MyBase.New()
InitializeComponent()
End Sub
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
Private components As System.ComponentModel.IContainer
Friend WithEvents ContextMenu1 As System.Windows.Forms.ContextMenu
Friend WithEvents MenuItem1 As System.Windows.Forms.MenuItem
Friend WithEvents MenuItem2 As System.Windows.Forms.MenuItem
Friend WithEvents ListBox1 As System.Windows.Forms.ListBox
<System.Diagnostics.DebuggerStepThrough()> Private Sub InitializeComponent()
Me.ContextMenu1 = New System.Windows.Forms.ContextMenu
Me.MenuItem1 = New System.Windows.Forms.MenuItem
Me.MenuItem2 = New System.Windows.Forms.MenuItem
Me.ListBox1 = New System.Windows.Forms.ListBox
Me.SuspendLayout()
'
'ContextMenu1
'
Me.ContextMenu1.MenuItems.AddRange(New System.Windows.Forms.MenuItem() {Me.MenuItem1, Me.MenuItem2})
'
'MenuItem1
'
Me.MenuItem1.Index = 0
Me.MenuItem1.Text = "Add"
'
'MenuItem2
'
Me.MenuItem2.Index = 1
Me.MenuItem2.Text = "Delete"
'
'ListBox1
'
Me.ListBox1.Items.AddRange(New Object() {"A", "B", "C", "D", "E"})
Me.ListBox1.Location = New System.Drawing.Point(80, 64)
Me.ListBox1.Name = "ListBox1"
Me.ListBox1.Size = New System.Drawing.Size(104, 121)
Me.ListBox1.TabIndex = 0
'
'Form1
'
Me.AutoScaleBaseSize = New System.Drawing.Size(5, 13)
Me.ClientSize = New System.Drawing.Size(292, 266)
Me.ContextMenu = Me.ContextMenu1
Me.Controls.Add(Me.ListBox1)
Me.ResumeLayout(False)
End Sub
Private Sub MenuItem1_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles MenuItem1.Click
ListBox1.Items.Add("www.java2s.com")
End Sub
Private Sub MenuItem2_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles MenuItem2.Click
ListBox1.Items.Remove(ListBox1.SelectedItem)
End Sub
End Class
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