private async void SearchTopicChanged(string oldTopic)
{
if (!string.IsNullOrWhiteSpace(oldTopic))
{
if (!TagValueViewModels.Any(t => t.Topic == oldTopic))
{
client.Unsubscribe(oldTopic);
log.Add($"{DateTime.Now}: Unsubscribed from topic {oldTopic}");
}
}
if (!string.IsNullOrWhiteSpace(SearchTopic))
{
if (!TagValueViewModels.Any(t => t.Topic == SearchTopic))
{
client.Subscribe(SearchTopic);
log.Add($"{DateTime.Now}: Subscribed to topic {SearchTopic}");
}
}
Tags = new ObservableCollection <TagTopicViewModel>();
}
private void btnUbsubscribe_Click(object sender, EventArgs e)
{
string[] topics = { "sensor/temp", "sensor/humidity" };
client.Unsubscribe(topics);
}
public void Unsubscribe()
{
client.Unsubscribe(new string[] { topic });
client.MqttMsgPublishReceived -= Client_MqttMsgPublishReceived;
}