//File:Window.xaml.cs using System; using System.Collections.Generic; using System.Text; using System.Windows; using System.Windows.Controls; using System.Windows.Data; using System.Windows.Documents; using System.Windows.Input; using System.Windows.Media; using System.Windows.Media.Imaging; using System.Windows.Shapes; namespace ClassicControls { public partial class CheckBoxList : System.Windows.Window { public CheckBoxList() { InitializeComponent(); } private void lst_SelectionChanged(object sender, RoutedEventArgs e) { if (e.OriginalSource is CheckBox) { lst.SelectedItem = e.OriginalSource; }
if (lst.SelectedItem == null) return; Console.WriteLine(lst.SelectedIndex); Console.WriteLine(((CheckBox)lst.SelectedItem).IsChecked); } private void cmd_CheckAllItems(object sender, RoutedEventArgs e) { foreach (CheckBox item in lst.Items) { if (item.IsChecked == true) { Console.WriteLine((item.Content + " is checked.")); } } } } }