ActivityFunc<T1, T2, TResult> Class
Defines an activity delegate with one in argument of type T and one out argument of type TResult.
Assembly: System.Activities (in System.Activities.dll)
generic<typename T1, typename T2, typename TResult> public ref class ActivityFunc sealed : public ActivityDelegate
The type of the first in argument of the activity delegate.
The type of the second in argument of the activity delegate.
The type of the out argument of the activity delegate.
Thetype exposes the following members.
|Argument1||Gets or sets the first in argument of the activity delegate.|
|Argument2||Gets or sets the second in argument of the activity delegate.|
|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.