public Call()
{
PropertyChanged += Call_PropertyChanged;
start_time = DateTime.Now;
if (duration_timer == null)
duration_timer = new System.Threading.Timer(DurationTimerFired, null, 1000, 1000);
if (broker == null)
broker = Broker.get_instance();
visibility = Visibility.Visible;
}
public static Broker get_instance() {
return _instance ?? (_instance = new Broker());
}
public HeadsetPluginManager()
{
broker = Broker.get_instance();
}