3 namespace System.Activities.Presentation {
8 /// Defines a callback method that will be invoked when a context item
11 /// <param name="item">The context item that has changed.</param>
12 public delegate void SubscribeContextCallback(ContextItem item);
15 /// Defines a callback method that will be invoked when a context item
18 /// <typeparam name="TContextItemType">The type of context item this subscription is for.</typeparam>
19 /// <param name="item">The context item that has changed.</param>
20 public delegate void SubscribeContextCallback<TContextItemType>(
21 TContextItemType item) where TContextItemType : ContextItem;