Used in order to associate or attach additional information to the instance of an object.
Assembly: System.Activities.Presentation (in System.Activities.Presentation.dll)
Thetype exposes the following members.
|Equals(Object)||Determines whether the specified object is equal to the current object. (Inherited from Object.)|
|Finalize||Allows an object to try to free resources and perform other cleanup operations before it is reclaimed by garbage collection. (Inherited from Object.)|
|GetHashCode||Serves as the default hash function. (Inherited from Object.)|
|GetType||Gets the Type of the current instance. (Inherited from Object.)|
|GetValue||Retrieves the value of the specified model item.|
|MemberwiseClone||Creates a shallow copy of the current Object. (Inherited from Object.)|
|NotifyPropertyChanged||Creates a notification that indicates that the specified model item has changed.|
|ResetValue||Resets the specified model item to the default value.|
|SetValue||Sets the specified model item to the specified value.|
|ToString||Returns a string that represents the current object. (Inherited from Object.)|
This is used by the Windows Workflow Designer in order to keep track of interesting pieces of data during an editing session for data that is otherwise transient, that will (mostly) be discarded at the end of an editing session. is useful as items in the View can bind to the values and react to changes. For instance, this is the way that the selected item template is displayed (it keys off of an attached property for selection).