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DomainParticipantGetDiscoveredTopicData Method

Retrieves information on a Topic that has been discovered on the network. The topic must have been created by a participant in the same domain as the participant on which this operation is invoked and must not have been “ignored” by means of the DomainParticipantIgnoreTopic(InstanceHandle) operation.

Namespace:  OpenDDSharp.DDS
Assembly:  OpenDDSharp (in OpenDDSharp.dll) Version: 0.5.0.0
Syntax
Copy
public ReturnCode GetDiscoveredTopicData(
	ref TopicBuiltinTopicData topicData,
	InstanceHandle topicHandle
)

Parameters

topicData
Type: OpenDDSharp.DDSTopicBuiltinTopicData
The TopicBuiltinTopicData to fill up.
topicHandle
Type: OpenDDSharp.DDSInstanceHandle
The InstanceHandle of the Topic to get the data.

Return Value

Type: ReturnCode
The ReturnCode that indicates the operation result.
Remarks

The topicHandle must correspond to such a topic. Otherwise, the operation will fail and return PreconditionNotMet.

Use the operation GetDiscoveredTopics to find the topics that are currently discovered.

The operation may also fail if the infrastructure does not hold the information necessary to fill in the topicData. In this case the operation will return Unsupported.

The operation may fail if the infrastructure does not locally maintain the connectivity information. In this case the operation will return Unsupported.

See Also