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NamespaceManager.GetTopics Method

Retrieves a collection of topics in a service namespace.

Namespace:  Microsoft.ServiceBus
Assembly:  Microsoft.ServiceBus (in Microsoft.ServiceBus.dll)

'Declaration
Public Function GetTopics As IEnumerable(Of TopicDescription)
'Usage
Dim instance As NamespaceManager
Dim returnValue As IEnumerable(Of TopicDescription)

returnValue = instance.GetTopics()

Return Value

Type: System.Collections.Generic.IEnumerable(Of TopicDescription)
An IEnumerable(Of T) object that represents the collection of topics under the current namespace, or returns an empty collection if no topic exists.

ExceptionCondition
TimeoutException

The operation times out. The timeout period is initialized through the NamespaceManagerSettings class. You may need to increase the value of the OperationTimeout property to avoid this exception if the timeout value is relatively low.

UnauthorizedAccessException

The NamespaceManager object does not have sufficient permission to perform this operation. You should check to ensure that your NamespaceManager has the correct Credential credentials to perform this operation.

MessagingException

An internal error or unexpected exception occurs.

You can provide an ODATA-based query for topic properties, and all the entities that match the query will be returned. For example:

NamespaceManager nm = NamespaceManager.Create();
nm.GetTopics("<ODATA Filter string here>");
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