ListBox selection event : ListBox « GUI « VB.Net Tutorial






ListBox selection event
Imports System.Drawing
Imports System.Drawing.Drawing2D
Imports System.Windows.Forms

public class ListBoxSelectionEventAddValue
   public Shared Sub Main
        Application.Run(New Form1)
   End Sub
End class

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

    'Required by the Windows Form Designer
    Private components As System.ComponentModel.IContainer

    '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.
    Friend WithEvents ListBox1 As System.Windows.Forms.ListBox
    Friend WithEvents TextBox1 As System.Windows.Forms.TextBox
    <System.Diagnostics.DebuggerStepThrough()> Private Sub InitializeComponent()
        Me.ListBox1 = New System.Windows.Forms.ListBox
        Me.TextBox1 = New System.Windows.Forms.TextBox
        Me.SuspendLayout()
        '
        Me.ListBox1.Location = New System.Drawing.Point(88, 64)
        Me.ListBox1.Name = "ListBox1"
        Me.ListBox1.Size = New System.Drawing.Size(120, 121)
        Me.ListBox1.TabIndex = 0
        '
        Me.TextBox1.Location = New System.Drawing.Point(16, 216)
        Me.TextBox1.Name = "TextBox1"
        Me.TextBox1.Size = New System.Drawing.Size(264, 20)
        Me.TextBox1.TabIndex = 1
        Me.TextBox1.Text = ""
        '
        Me.AutoScaleBaseSize = New System.Drawing.Size(5, 13)
        Me.ClientSize = New System.Drawing.Size(292, 273)
        Me.Controls.Add(Me.TextBox1)
        Me.Controls.Add(Me.ListBox1)
        Me.ResumeLayout(False)
    End Sub
#End Region
    Private Sub Form1_Load(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles MyBase.Load
        For i As Integer = 0 To 9
            ListBox1.Items.Add("Item " & i.ToString())
        Next i
    End Sub

    Private Sub ListBox1_SelectedIndexChanged(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles ListBox1.SelectedIndexChanged
        TextBox1.Text = "You selected item " & ListBox1.SelectedIndex
    End Sub

End Class








14.13.ListBox
14.13.1.Add value to ListBoxAdd value to ListBox
14.13.2.Add, remove and clear list box itemsAdd, remove and clear list box items
14.13.3.Use popup menu to add and delete ListBox itemUse popup menu to add and delete ListBox item
14.13.4.ListBox selection eventListBox selection event
14.13.5.Multiple SelectionsMultiple Selections
14.13.6.Get selected Items in a ListBoxGet selected Items in a ListBox
14.13.7.Set selected item in a ListBoxSet selected item in a ListBox
14.13.8.Get selected indices in a ListBox
14.13.9.Get selected item in a ListBox selection eventGet selected item in a ListBox selection event
14.13.10.Owner draw ListBoxOwner draw ListBox
14.13.11.Owner draw ListBox fixedOwner draw ListBox fixed
14.13.12.ListBox double click eventListBox double click event
14.13.13.MultiColumn ListBoxMultiColumn ListBox
14.13.14.Get mouse over index by mouse locationGet mouse over index by mouse location