using System; using System.Windows; namespace Microsoft.Windows.Controls { public delegate void CheckListBoxSelectionChangedEventHandler(object sender, CheckListBoxSelectionChangedEventArgs e); public class CheckListBoxSelectionChangedEventArgs : RoutedEventArgs { public object Item { get; private set; } public CheckListBoxSelectionChangedEventArgs(RoutedEvent routedEvent, object source, object item) : base(routedEvent, source) { Item = item; } } }