public DeviceUsbServiceWatcher(string serviceName)
{
// This function call using ServiceBase.ServiceName causes AccessViolationException
// when the system suspends and so make this class effectively unusable.
// The service status handle obtained by this function matches ServiceBase.ServiceHandle
// which is obtained by the same function inside ServiceBase class.
_statusHandle = RegisterServiceCtrlHandlerEx(
serviceName,
HandlerProc,
IntPtr.Zero);
if (_statusHandle != IntPtr.Zero)
{
_notificationHandle = DeviceUsbHelper.RegisterServiceNotification(_statusHandle);
}
}
public DeviceUsbWindowWatcher()
{
_listener = new MessageOnlyWindowListener(this);
_notificationHandle = DeviceUsbHelper.RegisterWindowNotification(_listener.Handle);
}