ActivityAction<T1, T2> Class

Defines an activity delegate that has two in arguments and does not return a value.

System.Object
  System.Activities.ActivityDelegate
    System.Activities.ActivityAction<T1, T2>

Namespace:  System.Activities
Assembly:  System.Activities (in System.Activities.dll)

public sealed class ActivityAction<T1, T2> : ActivityDelegate

Type Parameters

T1

The type of the first in argument of the activity delegate.

T2

The type of the second in argument of the activity delegate.

The ActivityAction<T1, T2> type exposes the following members.

  NameDescription
Public methodActivityAction<T1, T2>Creates a new instance of the ActivityAction<T1, T2> class.
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  NameDescription
Public propertyArgument1Gets or sets the first in argument of the activity delegate.
Public propertyArgument2Gets or sets the second in argument of the activity delegate.
Public propertyDisplayNameGets or sets an optional friendly name that is used for debugging, validation, exception handling, and tracking. (Inherited from ActivityDelegate.)
Public propertyHandlerGets or sets the activity that is represented by this ActivityDelegate. (Inherited from ActivityDelegate.)
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  NameDescription
Public methodEquals(Object)Determines whether the specified object is equal to the current object. (Inherited from Object.)
Public methodGetHashCodeServes as the default hash function. (Inherited from Object.)
Protected methodGetResultArgumentWhen implemented in a derived class, returns the DelegateOutArgument of the ActivityDelegate. (Inherited from ActivityDelegate.)
Public methodGetTypeGets the Type of the current instance. (Inherited from Object.)
Public methodShouldSerializeDisplayNameIndicates whether the DisplayName property value should be serialized to XAML. (Inherited from ActivityDelegate.)
Public methodToStringReturns a String representation of the ActivityDelegate that contains the DisplayName. (Inherited from ActivityDelegate.)
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An activity delegate allows a developer to define the required signature of an activity that will be specified by a third party.

There are multiple generic versions of this type that take from 1 to 16 arguments for the activity that is called. There are also ActivityFunc types for activity delegates that return values.

.NET Framework

Supported in: 4.6, 4.5, 4

.NET Framework Client Profile

Supported in: 4

Windows 8.1, Windows Server 2012 R2, Windows 8, Windows Server 2012, Windows 7, Windows Vista SP2, Windows Server 2008 (Server Core Role not supported), Windows Server 2008 R2 (Server Core Role supported with SP1 or later; Itanium not supported)

The .NET Framework does not support all versions of every platform. For a list of the supported versions, see .NET Framework System Requirements.

Any public static (Shared in Visual Basic) members of this type are thread safe. Any instance members are not guaranteed to be thread safe.

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