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