Defines an activity delegate with no in arguments and one out argument of type Tresult.
Assembly: System.Activities (in System.Activities.dll)
Thetype exposes the following members.
|DisplayName||Gets or sets an optional friendly name that is used for debugging, validation, exception handling, and tracking. (Inherited from ActivityDelegate.)|
|Handler||Gets or sets the activity that is represented by this ActivityDelegate. (Inherited from ActivityDelegate.)|
|Result||Gets or sets the out argument of the activity delegate.|
|Equals(Object)||Determines whether the specified object is equal to the current object. (Inherited from Object.)|
|GetHashCode||Serves as the default hash function. (Inherited from Object.)|
|GetResultArgument||When implemented in a derived class, returns the DelegateOutArgument of the ActivityDelegate. (Inherited from ActivityDelegate.)|
|GetType||Gets the Type of the current instance. (Inherited from Object.)|
|ShouldSerializeDisplayName||Indicates whether the DisplayName property value should be serialized to XAML. (Inherited from ActivityDelegate.)|
|ToString||Returns a String representation of the ActivityDelegate that contains the DisplayName. (Inherited from ActivityDelegate.)|
The ActivityDelegate enables activity authors to expose callbacks with specific signatures that users of the activity can provide activity-based handlers for. is an ActivityDelegate that returns a value. The signature of the is specified as generic type arguments.
There are multiple generic versions of this type that take from 1 to 16 in arguments, plus the out argument, for the activity that is called. There are also ActivityAction types for activity delegates that do not return values.