public void Start()
{
if (_isRunning)
{
return;
}
// subscribe to events
_attachWatcher = new ManagementEventWatcher("SELECT * FROM __InstanceCreationEvent WITHIN 2 WHERE TargetInstance ISA 'Win32_PnPEntity' and TargetInstance.service ='BthEnum'");
_detachWatcher = new ManagementEventWatcher("SELECT * FROM __InstanceDeletionEvent WITHIN 2 WHERE TargetInstance ISA 'Win32_PnPEntity' and TargetInstance.service ='BthEnum'");
_attachWatcher.EventArrived += new EventArrivedEventHandler(OnInstanceCreation);
_detachWatcher.EventArrived += new EventArrivedEventHandler(OnInstanceDeletion);
_attachWatcher.Start();
_detachWatcher.Start();
_isRunning = true;
// see if already attached
if (IsLocalRadioAttached())
{
LocalRadioStateChanged?.Invoke(this, StateType.Attached);
}
}
private void OnInstanceDeletion(object obj, EventArrivedEventArgs e)
{
try
{
LocalRadioStateChanged?.Invoke(this, StateType.Detached);
}
catch (Exception) { /* Currently ignore all errors*/ }
}
