NamespaceManager.BeginGetTopics Method (AsyncCallback, Object)


Asynchronous version of GetTopics method.

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

public IAsyncResult BeginGetTopics(
	AsyncCallback callback,
	object state


Type: System.AsyncCallback

An AsyncCallback delegate that references the method to invoke when the operation is complete.

Type: System.Object

A user-defined object that contains state information about the asynchronous operation. This object is passed to the EndGetTopics delegate when the operation is complete.

Return Value

Type: System.IAsyncResult

An IAsyncResult object that references the asynchronous operation to get all topics in the service namespace.

Exception Condition

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.


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


An internal error or unexpected exception occurs.

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