SubscribeTopic 类

订阅的主题信息
Subscribed topic information

继承层次

SystemObject
HslCommunication.MQTTSubscribeTopic

命名空间： HslCommunication.MQTT
程序集： HslCommunication (在 HslCommunication.dll 中) 版本：12.2.0.0 (12.2.0.0)

语法

public class SubscribeTopic

Public Class SubscribeTopic

public ref class SubscribeTopic

type SubscribeTopic =  class end

SubscribeTopic 类型公开以下成员。

构造函数

	名称	说明
	SubscribeTopic	使用指定的主题初始化 Initialize with the specified theme

属性

	名称	说明
	SubscribeTick	主题被订阅的次数 The number of times the topic was subscribed
	Topic	主题信息 topic information

方法

	名称	说明
	AddSubscribeTick	增加一个订阅的计数信息，不需要手动调用，在 MqttClient 订阅主题之后，会自动增加 Add a subscription count information, no need to manually call it, it will be automatically added after MqttClient subscribes to the topic
	Equals	Determines whether the specified object is equal to the current object. (继承自 Object。)
	Finalize	Allows an object to try to free resources and perform other cleanup operations before it is reclaimed by garbage collection. (继承自 Object。)
	GetHashCode	Serves as the default hash function. (继承自 Object。)
	GetType	Gets the Type of the current instance. (继承自 Object。)
	MemberwiseClone	Creates a shallow copy of the current Object. (继承自 Object。)
	RemoveSubscribeTick	减少一个订阅的计数信息，用户可以手动调用，比如判断是否是最后一次移除，然后决定是否通过 MqttClient 取消订阅主题 Reduce the count information of a subscription, the user can call it manually, such as judging whether it is the last removal, and then decide whether to unsubscribe the topic through MqttClient
	ToString	Returns a string that represents the current object. (重写 ObjectToString.)
	TriggerSubscription	使用指定的参数，触发订阅主题的事件 Using the specified parameters, trigger the event of the subscribed topic

事件

	名称	说明
	OnMqttMessageReceived	当接收到Mqtt订阅的信息的时候触发的事件 Event triggered when a message subscribed to by Mqtt is received

扩展方法

	名称	说明
	ToJsonString	获取当前对象的JSON格式表示的字符串。 Gets the string represented by the JSON format of the current object. (由 HslExtension 定义。)

参见