IotHubBaseClient.OpenAsync(CancellationToken) Method

Reference

Definition

Namespace:: Microsoft.Azure.Devices.Client

Assembly:: Microsoft.Azure.Devices.Client.dll

Package:: Microsoft.Azure.Devices.Client v2.0.0-preview002

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.

Open the client instance. Must be done before any operation can begin.

public System.Threading.Tasks.Task OpenAsync (System.Threading.CancellationToken cancellationToken = default);

member this.OpenAsync : System.Threading.CancellationToken -> System.Threading.Tasks.Task

Public Function OpenAsync (Optional cancellationToken As CancellationToken = Nothing) As Task

Parameters

cancellationToken: CancellationToken

A cancellation token to cancel the operation.

Returns

Task

Exceptions

OperationCanceledException

Thrown when the operation has been canceled.

Remarks

This client can be re-opened after it has been closed, but cannot be re-opened after it has been disposed. Subscriptions to cloud to device messages/twin/methods do not persist when re-opening a client.

Applies to

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