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VB.NET CheckedListBox.ItemCheck事件代碼示例

本文整理匯總了VB.NET中System.Windows.Forms.CheckedListBox.ItemCheck事件的典型用法代碼示例。如果您正苦於以下問題:VB.NET CheckedListBox.ItemCheck事件的具體用法?VB.NET CheckedListBox.ItemCheck怎麽用?VB.NET CheckedListBox.ItemCheck使用的例子?那麽, 這裏精選的事件代碼示例或許可以為您提供幫助。您也可以進一步了解該事件所在System.Windows.Forms.CheckedListBox的用法示例。


在下文中一共展示了CheckedListBox.ItemCheck事件的2個代碼示例,這些例子默認根據受歡迎程度排序。您可以為喜歡或者感覺有用的代碼點讚,您的評價將有助於係統推薦出更棒的VB.NET代碼示例。

示例1:

Private Sub CheckedListBox1_ItemCheck(sender as Object, e as ItemCheckEventArgs) _ 
     Handles CheckedListBox1.ItemCheck

    Dim messageBoxVB as New System.Text.StringBuilder()
    messageBoxVB.AppendFormat("{0} = {1}", "Index", e.Index)
    messageBoxVB.AppendLine()
    messageBoxVB.AppendFormat("{0} = {1}", "NewValue", e.NewValue)
    messageBoxVB.AppendLine()
    messageBoxVB.AppendFormat("{0} = {1}", "CurrentValue", e.CurrentValue)
    messageBoxVB.AppendLine()
    MessageBox.Show(messageBoxVB.ToString(),"ItemCheck Event")

End Sub
開發者ID:VB.NET開發者,項目名稱:System.Windows.Forms,代碼行數:13,代碼來源:CheckedListBox.ItemCheck

示例2: MainClass

' 導入命名空間
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
開發者ID:VB程序員,項目名稱:System.Windows.Forms,代碼行數:103,代碼來源:CheckedListBox.ItemCheck


注:本文中的System.Windows.Forms.CheckedListBox.ItemCheck事件示例由純淨天空整理自Github/MSDocs等開源代碼及文檔管理平台,相關代碼片段篩選自各路編程大神貢獻的開源項目,源碼版權歸原作者所有,傳播和使用請參考對應項目的License;未經允許,請勿轉載。