MultiColumn ListBox : ListBox « GUI « VB.Net Tutorial

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VB.Net Tutorial » GUI » ListBox 




MultiColumn ListBox
Imports System.Drawing
Imports System.Drawing.Drawing2D
Imports System.Windows.Forms

public class ListBoxMultiSelection
   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 NothingThen
                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 TextBox1 As System.Windows.Forms.TextBox
    Friend WithEvents TextBox2 As System.Windows.Forms.TextBox

    <System.Diagnostics.DebuggerStepThrough()Private Sub InitializeComponent()
        Me.TextBox1 = New System.Windows.Forms.TextBox
        Me.TextBox2 = New System.Windows.Forms.TextBox
        Me.SuspendLayout()
        '
        'TextBox1
        '
        Me.TextBox1.Location = New System.Drawing.Point(8184)
        Me.TextBox1.Name = "TextBox1"
        Me.TextBox1.Size = New System.Drawing.Size(27220)
        Me.TextBox1.TabIndex = 0
        Me.TextBox1.Text = ""
        '
        'TextBox2
        '
        Me.TextBox2.Location = New System.Drawing.Point(8240)
        Me.TextBox2.Name = "TextBox2"
        Me.TextBox2.Size = New System.Drawing.Size(27220)
        Me.TextBox2.TabIndex = 1
        Me.TextBox2.Text = ""

        '
        'Form1
        '
        Me.AutoScaleBaseSize = New System.Drawing.Size(513)
        Me.ClientSize = New System.Drawing.Size(292273)
        Me.Controls.Add(Me.TextBox2)
        Me.Controls.Add(Me.TextBox1)
        Me.ResumeLayout(False)

        ListBox1 = New ListBox
        ListBox1.Size = New Size(270100)
        ListBox1.Location = New Point(1060)
        AddHandler ListBox1.SelectedIndexChanged, AddressOf ListBox1_SelectedIndexChanged
        Me.Controls.Add(ListBox1)
        ListBox1.MultiColumn = True
        ListBox1.SelectionMode = SelectionMode.MultiExtended

        For i As Integer = To 19
            ListBox1.Items.Add("Item " & i.ToString())
        Next i

        ListBox1.SetSelected(2, True)
        ListBox1.SetSelected(4, True)
        ListBox1.SetSelected(8, True)
        ListBox1.SetSelected(10, True)

    End Sub

#End Region
    Dim ListBox1 As ListBox


    Private Sub ListBox1_SelectedIndexChanged(ByVal sender As System.Object, ByVal e As System.EventArgs)
        Dim Item As String
        Dim Index As Integer

        TextBox1.Text = "Here are the selected items: "
        For Each Item In ListBox1.SelectedItems
            TextBox1.Text &= Item.ToString() " "
        Next

    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
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