SubscriberLookupDataReader Method

Gets a previously-created DataReader belonging to the Subscriber that is attached to a Topic with a matching topicName. If no such DataReader exists, the operation will return .

Namespace: OpenDDSharp.DDS
Assembly: OpenDDSharp (in OpenDDSharp.dll) Version: 0.5.0.0

Syntax

C++

Copy

public DataReader LookupDataReader(
	string topicName
)

Public Function LookupDataReader ( 
	topicName As String
) As DataReader

public:
DataReader^ LookupDataReader(
	String^ topicName
)

member LookupDataReader : 
        topicName : string -> DataReader

Parameters

topicName: Type: SystemString
The Topic's name related with the DataReader to look up.

Return Value

Type: DataReader
The DataReader, if it exists, otherwise .

Remarks

If multiple DataReaders attached to the Subscriber satisfy this condition, then the operation will return one of them. It is not specified which one.

The use of this operation on the built-in Subscriber allows access to the built-in DataReader entities for the built-in topics

Reference

Subscriber Class

OpenDDSharp.DDS Namespace

SubscriberAddLanguageSpecificTextSet("LST214B83D7_0?cpp=::|nu=.");LookupDataReader Method

Parameters

Return Value

Reference

SubscriberLookupDataReader Method