private void ReleaseAddInsetUSBHandler()
{
wAddedUSBHandler.Stop();
wAddedUSBHandler.EventArrived -= new EventArrivedEventHandler(USBAdded);
wAddedUSBHandler.Dispose();
wAddedUSBHandler = null;
}
private void ReleaseAddRemoveUSBHandler()
{
wRemoveUSBHandler.Stop();
wRemoveUSBHandler.EventArrived -= new EventArrivedEventHandler(USBRemoved);
wRemoveUSBHandler.Dispose();
wRemoveUSBHandler = null;
}
private void AddRemoveUSBHandler()
{
WqlEventQuery q;
ManagementScope scope = new ManagementScope("root\\CIMV2");
scope.Options.EnablePrivileges = true;
try
{
q = new WqlEventQuery();
q.EventClassName = "__InstanceDeletionEvent";
q.WithinInterval = new TimeSpan(0, 0, 3);
q.Condition = @"TargetInstance ISA 'Win32_USBControllerdevice'";
wRemoveUSBHandler = new USBAddedOrRemovedEventWatcher( Parent, scope, q);
wRemoveUSBHandler.EventArrived += new EventArrivedEventHandler(USBRemoved);
wRemoveUSBHandler.Start();
}
catch (Exception e)
{
Console.WriteLine(e.Message);
if (wRemoveUSBHandler != null)
wRemoveUSBHandler.Stop();
}
}