[This documentation is for preview only, and is subject to change in later releases. Blank topics are included as placeholders.]
An abstract base class used to create composite activities from pre-existing Activity objects.
(in System.Activities.dll)
Visual Basic (Declaration)
<ContentPropertyAttribute("Implementation")> _
Public MustInherit Class Activity
[ContentPropertyAttribute("Implementation")]
public abstract class Activity
[ContentPropertyAttribute(L"Implementation")]
public ref class Activity abstract
[<AbstractClassAttribute>]
[<ContentPropertyAttribute("Implementation")>]
type Activity = class end
Activity is the base class in the activity type hierarchy. All other activity types such as CodeActivity, NativeActivity, AsyncCodeActivity, DynamicActivity, and ActivityWithResult derive from this class.
System..::.Object
System.Activities..::.Activity
System.Activities..::.ActivityWithResult
System.Activities..::.AsyncCodeActivity
System.Activities..::.CodeActivity
System.Activities..::.DynamicActivity
System.Activities..::.NativeActivity
System.ServiceModel.Activities..::.Receive
System.ServiceModel.Activities..::.ReceiveReply
System.ServiceModel.Activities..::.Send
System.ServiceModel.Activities..::.SendReply
Any public static (Shared in Visual Basic) members of this type are thread safe. Any instance members are not guaranteed to be thread safe.
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.
.NET Framework
Supported in: 4
.NET Framework Client Profile
Supported in: 4
Reference