IEventActivity.Unsubscribe Método

Definição

Namespace:

System.Workflow.Activities

Assembly:

System.Workflow.Activities.dll

Cancela a assinatura de um Activity a um evento.

public:
 void Unsubscribe(System::Workflow::ComponentModel::ActivityExecutionContext ^ parentContext, System::Workflow::ComponentModel::IActivityEventListener<System::Workflow::ComponentModel::QueueEventArgs ^> ^ parentEventHandler);

public void Unsubscribe (System.Workflow.ComponentModel.ActivityExecutionContext parentContext, System.Workflow.ComponentModel.IActivityEventListener<System.Workflow.ComponentModel.QueueEventArgs> parentEventHandler);

abstract member Unsubscribe : System.Workflow.ComponentModel.ActivityExecutionContext * System.Workflow.ComponentModel.IActivityEventListener<System.Workflow.ComponentModel.QueueEventArgs> -> unit

Public Sub Unsubscribe (parentContext As ActivityExecutionContext, parentEventHandler As IActivityEventListener(Of QueueEventArgs))

Parâmetros

parentContext

ActivityExecutionContext

O ActivityExecutionContext que representa o ambiente de execução do Activity.

parentEventHandler

IActivityEventListener<QueueEventArgs>

O EventHandler para o evento pai.

Comentários

O exemplo de código a seguir mostra como usar o método Unsubscribe. Este exemplo de código faz parte do Exemplo de SDK do FileWatcher do arquivo FileSystemEvent.cs. Para obter mais informações, consulte Atividade do Observador do Sistema de Arquivos.

// Add an instance of the External Data Exchange Service
ExternalDataExchangeService externalDataExchangeService = new ExternalDataExchangeService();
workflowRuntime.AddService(externalDataExchangeService);

' Add an instance of the External Data Exchange Service
Dim externalDataExchange As New ExternalDataExchangeService()
workflowRuntime.AddService(externalDataExchange)