CheckedListBox: Add Items, Get Selected Items and Get Selected Indices : CheckedListBox « GUI « VB.Net Tutorial






CheckedListBox: Add Items, Get Selected Items and Get Selected Indices
Imports System.Windows.Forms

public class CheckedListBoxAddItemGetSelected
   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 btnAddItems As System.Windows.Forms.Button
    Friend WithEvents clb1 As System.Windows.Forms.CheckedListBox
    Friend WithEvents btnGetCheckedIndices As System.Windows.Forms.Button
    Friend WithEvents btnGetCheckedItems As System.Windows.Forms.Button
    Friend WithEvents ColorDialog1 As System.Windows.Forms.ColorDialog
    <System.Diagnostics.DebuggerStepThrough()> Private Sub InitializeComponent()
        Me.btnAddItems = New System.Windows.Forms.Button()
        Me.clb1 = New System.Windows.Forms.CheckedListBox()
        Me.btnGetCheckedItems = New System.Windows.Forms.Button()
        Me.btnGetCheckedIndices = New System.Windows.Forms.Button()
        Me.ColorDialog1 = New System.Windows.Forms.ColorDialog()
        Me.SuspendLayout()
        '
        'btnAddItems
        '
        Me.btnAddItems.BackColor = System.Drawing.SystemColors.ControlLight
        Me.btnAddItems.Location = New System.Drawing.Point(176, 8)
        Me.btnAddItems.Name = "btnAddItems"
        Me.btnAddItems.Size = New System.Drawing.Size(104, 24)
        Me.btnAddItems.TabIndex = 3
        Me.btnAddItems.Text = "Add Items"
        '
        'clb1
        '
        Me.clb1.Location = New System.Drawing.Point(16, 8)
        Me.clb1.Name = "clb1"
        Me.clb1.Size = New System.Drawing.Size(144, 79)
        Me.clb1.TabIndex = 4
        '
        'btnGetCheckedItems
        '
        Me.btnGetCheckedItems.BackColor = System.Drawing.SystemColors.ControlLight
        Me.btnGetCheckedItems.Location = New System.Drawing.Point(176, 40)
        Me.btnGetCheckedItems.Name = "btnGetCheckedItems"
        Me.btnGetCheckedItems.Size = New System.Drawing.Size(104, 24)
        Me.btnGetCheckedItems.TabIndex = 5
        Me.btnGetCheckedItems.Text = "Checked by Item"
        '
        'btnGetCheckedIndices
        '
        Me.btnGetCheckedIndices.BackColor = System.Drawing.SystemColors.ControlLight
        Me.btnGetCheckedIndices.Location = New System.Drawing.Point(176, 72)
        Me.btnGetCheckedIndices.Name = "btnGetCheckedIndices"
        Me.btnGetCheckedIndices.Size = New System.Drawing.Size(104, 24)
        Me.btnGetCheckedIndices.TabIndex = 6
        Me.btnGetCheckedIndices.Text = "Checked by Index"
        '
        'Form1
        '
        Me.AutoScaleBaseSize = New System.Drawing.Size(5, 13)
        Me.ClientSize = New System.Drawing.Size(296, 277)
        Me.Controls.AddRange(New System.Windows.Forms.Control() {Me.btnGetCheckedIndices, Me.btnGetCheckedItems, Me.clb1, Me.btnAddItems})
        Me.Name = "Form1"
        Me.Text = "Form1"
        Me.ResumeLayout(False)

    End Sub

#End Region

    Private Sub btnAddItems_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles btnAddItems.Click
        clb1.Items.Add("A", True)
        clb1.Items.Add("B", True)
        clb1.Items.Add("C", True)
        clb1.Items.Add("D", False)
    End Sub

    Private Sub btnGetCheckedItems_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles btnGetCheckedItems.Click
        Dim o As Object
        For Each o In clb1.CheckedItems
            Console.WriteLine(o.ToString)
        Next o
        
    End Sub

    Private Sub btnGetCheckedIndices_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles btnGetCheckedIndices.Click
        Dim o As Object
        For Each o In clb1.CheckedIndices
            Console.WriteLine(o)
        Next o
    End Sub

End Class








14.8.CheckedListBox
14.8.1.Add value to Checked List BoxAdd value to Checked List Box
14.8.2.Checked List Box selection eventChecked List Box selection event
14.8.3.CheckedListBox: Add Items, Get Selected Items and Get Selected IndicesCheckedListBox: Add Items, Get Selected Items and Get Selected Indices
14.8.4.Using the checked list boxes to add items to a list boxUsing the checked list boxes to add items to a list box