ServiceBusNamespaceClient.BeginGetTopics Method
Asynchronous version of GetTopics().
Namespace: Microsoft.ServiceBus
Assembly: Microsoft.ServiceBus.Messaging (in Microsoft.ServiceBus.Messaging.dll)
Syntax
'Declaration
Public Function BeginGetTopics ( _
callback As AsyncCallback, _
state As Object _
) As IAsyncResult
'Usage
Dim instance As ServiceBusNamespaceClient
Dim callback As AsyncCallback
Dim state As Object
Dim returnValue As IAsyncResult
returnValue = instance.BeginGetTopics(callback, _
state)
public IAsyncResult BeginGetTopics(
AsyncCallback callback,
Object state
)
public:
IAsyncResult^ BeginGetTopics(
AsyncCallback^ callback,
Object^ state
)
member BeginGetTopics :
callback:AsyncCallback *
state:Object -> IAsyncResult
public function BeginGetTopics(
callback : AsyncCallback,
state : Object
) : IAsyncResult
Parameters
- callback
Type: System.AsyncCallback
A AsyncCallback delegate that references the method to invoke when the operation is complete.
- state
Type: System.Object
A user-defined object that contains information about the receive operation. This object is passed to the EndGetTopics(IAsyncResult) delegate when the operation is complete.
Return Value
Type: System.IAsyncResult
An IAsyncResult object that references the asynchronous get.
Exceptions
Exception | Condition |
---|---|
TimeoutException | The operation times out. The timeout period is initialized through the ServiceBusNamespaceClientSettings 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 ServiceBusNamespaceClient object does not have sufficient permission to perform this operation. You should check to ensure that your ServiceBusNamespaceClient has the correct Credential credentials to perform this operation. |
MessagingException | An internal error or unexpected exception occurs. |