Checked list boxes
Imports System Imports System.Drawing Imports System.Windows.Forms Public Class MainClass Shared Sub Main() Dim myform As Form = New FrmCheckedListBox() Application.Run(myform) End Sub ' Main End Class Public Class FrmCheckedListBox Inherits 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 ' list of available book titles Friend WithEvents chklstInput As CheckedListBox ' user selection list Friend WithEvents lstDisplay As ListBox '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.chklstInput = New System.Windows.Forms.CheckedListBox() Me.lstDisplay = New System.Windows.Forms.ListBox() Me.SuspendLayout() ' 'chklstInput ' Me.chklstInput.HorizontalScrollbar = True Me.chklstInput.Items.AddRange(New Object() {"C++", "Java", "VB", "C#", "Perl", "Python HTP", "C", "SQL"}) Me.chklstInput.Location = New System.Drawing.Point(16, 16) Me.chklstInput.Name = "chklstInput" Me.chklstInput.Size = New System.Drawing.Size(152, 124) Me.chklstInput.TabIndex = 1 ' 'lstDisplay ' Me.lstDisplay.Anchor = (System.Windows.Forms.AnchorStyles.Top Or System.Windows.Forms.AnchorStyles.Right) Me.lstDisplay.HorizontalScrollbar = True Me.lstDisplay.Location = New System.Drawing.Point(184, 16) Me.lstDisplay.Name = "lstDisplay" Me.lstDisplay.Size = New System.Drawing.Size(128, 121) Me.lstDisplay.TabIndex = 2 ' 'FrmCheckedListBox ' Me.AutoScaleBaseSize = New System.Drawing.Size(5, 13) Me.ClientSize = New System.Drawing.Size(328, 157) Me.Controls.AddRange(New System.Windows.Forms.Control() {Me.lstDisplay, Me.chklstInput}) Me.Name = "FrmCheckedListBox" Me.Text = "Checked List Box Test" Me.ResumeLayout(False) End Sub #End Region Private Sub chklstInput_ItemCheck _ (ByVal sender As System.Object, _ ByVal e As System.Windows.Forms.ItemCheckEventArgs) _ Handles chklstInput.ItemCheck Dim item As String = chklstInput.SelectedItem If e.NewValue = CheckState.Checked Then lstDisplay.Items.Add(item) Else lstDisplay.Items.Remove(item) End If End Sub End Class
1. | Add Object to CheckedListBox: use ToString Method | ||
2. | CheckBox List: add Object | ||
3. | Get selected item in a CheckBox List | ||
4. | Check Box List: Get selected Items |