using System; namespace MQTTnet.Extensions.WebSocket4Net { public static class MqttFactoryExtensions { public static IMqttFactory UseWebSocket4Net(this IMqttFactory mqttFactory) { if (mqttFactory == null) throw new ArgumentNullException(nameof(mqttFactory)); return mqttFactory.UseClientAdapterFactory(new WebSocket4NetMqttClientAdapterFactory()); } } }