IEventActivity.Unsubscribe Method
Definition
Important
Some information relates to prerelease product that may be substantially modified before it’s released. Microsoft makes no warranties, express or implied, with respect to the information provided here.
Cancels the subscription of an Activity to an event.
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))
Parameters
- parentContext
- ActivityExecutionContext
The ActivityExecutionContext that represents the execution environment of the Activity.
- parentEventHandler
- IActivityEventListener<QueueEventArgs>
The EventHandler for the parent event.
Remarks
The following code example shows how to use the Unsubscribe method. This code example is part of the FileWatcher SDK Sample from the FileSystemEvent.cs file. For more information, see File System Watcher Activity.
// 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)
Applies to
Maklum balas
https://aka.ms/ContentUserFeedback.
Akan datang: Sepanjang 2024, kami akan menghentikan secara berperingkat Isu GitHub sebagai kaedah maklum balas untuk kandungan dan menggantikannya dengan sistem maklum balas baharu. Untuk mendapatkan maklumat lanjut lihat:Kirim dan lihat maklum balas untuk