IotHubBaseClient.OpenAsync(CancellationToken) Method
Definition
Important
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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
Exceptions
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
意見反應
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