MqttSyncClient 构造函数 | 
| 名称 | 说明 | |
|---|---|---|
| MqttSyncClient(MqttConnectionOptions) | 
            实例化一个MQTT的同步客户端 Instantiate an MQTT synchronization client  | |
| MqttSyncClient(IPAddress, Int32) | 
            通过指定的ip地址及端口来实例化一个同步的MQTT客户端 Instantiate a synchronized MQTT client with the specified IP address and port  | |
| MqttSyncClient(String, Int32) | 
            通过指定的ip地址及端口来实例化一个同步的MQTT客户端 Instantiate a synchronized MQTT client with the specified IP address and port  |