private void Btn_subscribe_Click(object sender, EventArgs e) { var subscribe = this.tb_subscribe.Text; var subscribeLevel = this.cb_subscribe_level.Text; MqttQualityOfServiceLevel levelEnum; Enum.TryParse(this.cb_subscribe_level.SelectedIndex.ToString(), out levelEnum); mqttNetClient.Topic = new List <string>(); mqttNetClient.Topic.Add(subscribe); mqttNetClient.MqttQualityLevel = levelEnum; if (!mqttNetClient.SubscribeMessage()) { return; } }
private void button3_Click(object sender, EventArgs e) { mqttNetClient.SubscribeMessage(); }