MqttSyncClientPoolReadRetainTopicsAsync 方法

读取服务器的已经驻留的所有消息的主题列表
Read the topic list of all messages that have resided on the server

命名空间： HslCommunication.MQTT
程序集： HslCommunication (在 HslCommunication.dll 中) 版本：12.0.0.0 (12.0.0.0)

语法

public Task<OperateResult<string[]>> ReadRetainTopicsAsync()

Public Function ReadRetainTopicsAsync As Task(Of OperateResult(Of String()))

public:
Task<OperateResult<array<String^>^>^>^ ReadRetainTopicsAsync()

member ReadRetainTopicsAsync : unit -> Task<OperateResult<string[]>>

类型：TaskOperateResultString
消息列表对象

参见

MqttSyncClientPoolAddLanguageSpecificTextSet("LST2A30AD87_0?cpp=::|nu=.");ReadRetainTopicsAsync 方法