MqttSyncClientReadRetainTopics 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:12.1.2.0 (12.1.2.0)
语法 public OperateResult<string[]> ReadRetainTopics()
Public Function ReadRetainTopics As OperateResult(Of String())
public:
OperateResult<array<String^>^>^ ReadRetainTopics()
member ReadRetainTopics : unit -> OperateResult<string[]>
返回值
类型:
OperateResultString消息列表对象
参见