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
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