ActivityAction Class (System.Activities)

.NET Framework Class Library

ActivityAction Class

[This documentation is for preview only, and is subject to change in later releases. Blank topics are included as placeholders.]

Defines an activity delegate that has no in arguments and does not return a value.

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

Syntax

Visual Basic (Declaration)

Public NotInheritable Class ActivityAction _
    Inherits ActivityDelegate

Visual Basic (Usage)

Dim instance As ActivityAction

public sealed class ActivityAction : ActivityDelegate

Visual C++

public ref class ActivityAction sealed : public ActivityDelegate

[<SealedAttribute>]
type ActivityAction =  
    class
        inherit ActivityDelegate
    end

Remarks

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 delegates that return values.

Inheritance Hierarchy

System..::.Object
System.Activities..::.ActivityDelegate
System.Activities..::.ActivityAction

Thread Safety

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

Platforms

Windows 7, Windows Vista, Windows XP SP2, Windows Server 2008, Windows Server 2003

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

Version Information