WorkflowQueue.RegisterForQueueItemAvailable Method (IActivityEventListener<QueueEventArgs>, String)

Registers a subscriber to the QueueItemAvailable event.

Namespace:  System.Workflow.Runtime
Assembly:  System.Workflow.Runtime (in System.Workflow.Runtime.dll)

public void RegisterForQueueItemAvailable(
	IActivityEventListener<QueueEventArgs> eventListener,
	string subscriberQualifiedName


Type: System.Workflow.ComponentModel.IActivityEventListener<QueueEventArgs>

A subscriber for QueueEventArgs that implements the IActivityEventListener<T> interface.

Type: System.String

The QualifiedName of the activity that is subscribing to the QueueItemAvailable event or a null reference (Nothing in Visual Basic).


eventListener is a null reference (Nothing).

If the qualified name of the subscribing activity is supplied by subscriberQualifiedName, it is returned in WorkflowQueueInfo.SubscribedActivityNames of WorkflowQueueInfo associated with this queue when WorkflowInstance.GetWorkflowQueueData is called.

.NET Framework

Supported in: 4.5.2, 4.5.1, 4.5, 4, 3.5, 3.0

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.

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