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IEventActivity.Unsubscribe Metode

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Definisi

Ruang nama:
System.Workflow.Activities
Rakitan:
System.Workflow.Activities.dll

Membatalkan langganan acara Activity .

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))

Parameter

parentContext
ActivityExecutionContext

ActivityExecutionContext yang mewakili lingkungan eksekusi dari Activity.

parentEventHandler
IActivityEventListener<QueueEventArgs>

EventHandler untuk peristiwa induk.

Keterangan

Kode contoh berikut menunjukkan cara menggunakan metode Unsubscribe. Contoh kode ini adalah bagian dari Sampel SDK FileWatcher dari file FileSystemEvent.cs. Untuk informasi selengkapnya, lihat Aktivitas Pengamat Sistem File.

// 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)

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