DETECTION EVENEMENT USB (CONNECTION / DECONNECTION)

		ManagementEventWatcher w;

		public void StartListen()
		{
			WqlEventQuery q = new WqlEventQuery();
			q.EventClassName = "__InstanceOperationEvent";
			q.WithinInterval = new TimeSpan(0,0,3);
			q.Condition = @"TargetInstance ISA 'Win32_USBControllerDevice' ";
			w = new ManagementEventWatcher(q);
			w.EventArrived += new EventArrivedEventHandler(this.UsbEventArrived);
			w.Start(); 

		}

		private void UsbEventArrived(object sender, EventArrivedEventArgs e) 
		{ 
			
			foreach (PropertyData propertyData in e.NewEvent.Properties) 
			{

				ManagementBaseObject mbo = null;
				if(( mbo = propertyData.Value as ManagementBaseObject) != null) 
				{
					Console.WriteLine("--------------Properties------------------");
					foreach(PropertyData prop in mbo.Properties)
						Console.WriteLine("{0} - {1}", prop.Name, prop.Value);
				}

			}

		}