ServiceBusReceiver.DeleteMessagesAsync Method
Definition
Important
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Deletes up to messageCount
messages from the entity. The actual number
of deleted messages may be less if there are fewer eligible messages in the entity.
public virtual System.Threading.Tasks.Task<int> DeleteMessagesAsync (int messageCount, DateTimeOffset? beforeEnqueueTime = default, System.Threading.CancellationToken cancellationToken = default);
abstract member DeleteMessagesAsync : int * Nullable<DateTimeOffset> * System.Threading.CancellationToken -> System.Threading.Tasks.Task<int>
override this.DeleteMessagesAsync : int * Nullable<DateTimeOffset> * System.Threading.CancellationToken -> System.Threading.Tasks.Task<int>
Public Overridable Function DeleteMessagesAsync (messageCount As Integer, Optional beforeEnqueueTime As Nullable(Of DateTimeOffset) = Nothing, Optional cancellationToken As CancellationToken = Nothing) As Task(Of Integer)
Parameters
- messageCount
- Int32
The desired number of messages to delete. This value is limited by the service and governed Service Bus quotas. The service may delete fewer messages than this limit.
- beforeEnqueueTime
- Nullable<DateTimeOffset>
An optional DateTimeOffset, in UTC, representing the cutoff time for deletion. Only messages that were enqueued before this time will be deleted. If not specified, UtcNow will be assumed.
- cancellationToken
- CancellationToken
An optional CancellationToken instance to signal the request to cancel the operation.
Returns
The number of messages that were deleted.
Exceptions
Occurs when the messageCount
is less than 1 or exceeds the maximum allowed, as determined by the Service Bus service.
For more information on service limits, see https://learn.microsoft.com/azure/service-bus-messaging/service-bus-quotas#messaging-quotas.
Remarks
If the lock for a message is held by a receiver, it will be respected and the message will not be deleted.