private void buttonSub_Click(object sender, RoutedEventArgs e)
{
MqttClient.Instance().Subscribe(textBoxSubTopic.Text, comboBoxPubQos.SelectedValue.ToString());
}
private void buttonPub_Click(object sender, RoutedEventArgs e)
{
MqttClient.Instance().Publish(textBoxPubTopic.Text, textBoxPubMessage.Text, comboBoxSubQos.SelectedValue.ToString(), false);
}
private void m2_Click(object sender, EventArgs e)
{
MqttClient.Instance().Close();
this.Close();
}