Handle CheckBox checked events : CheckBox « Windows Presentation Foundation « VB.Net

Handle CheckBox checked events

Handle CheckBox checked events
<Window x:Class="WpfApplication1.Window1"
    Title="WPF" Height="250" Width="300">
    <StackPanel Name="panel">
        <CheckBox Checked="CheckBox_Checked" Content="First CheckBox" 
                  IsChecked="True" Margin="2" Name="checkbox1"/>
        <Button Content="Get Selected" Margin="5" MaxWidth="100" 
                Click="Button_Click" />
        <TextBlock FontWeight="Bold" Text="Selected CheckBoxes:" />
        <ListBox Margin="5" MinHeight="2cm" Name="listbox" />
Imports System.Linq
Imports System.Windows
Imports System.Windows.Controls

Namespace WpfApplication1
  Public Partial Class Window1
    Inherits Window
    Public Sub New()
    End Sub
    Private Sub Button_Click(sender As Object, e As RoutedEventArgs)
      For Each checkbox As CheckBox In panel.Children.OfType(Of CheckBox)().Where(Function(cb) cb.IsChecked = True)
    End Sub
    Private Sub CheckBox_Checked(sender As Object, e As RoutedEventArgs)
      If Not IsInitialized Then
      End If
      Dim checkbox As CheckBox = TryCast(e.OriginalSource, CheckBox)
      If checkbox IsNot Nothing Then
        MessageBox.Show(checkbox.Name & " is checked.", Title)
      End If
    End Sub

  End Class
End Namespace


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