Notification Received twice for Service RRS feed

  • Question

  • Hi Experts,

    A service is registered for a USB device detection notification with reference to the GUID of the device. During the event of USB device detection the service is triggered twice i.e notification is received twice. It is expected to be once. Kindly provide the solution for this issue.




    Thursday, August 21, 2014 3:59 AM


  • which notifications are you registering for? Interface arrival? Handle notifications? There are also generic notifications that the device tree has changed, are you filtering these out? That is probably why you are seeing two. One for the interface, one for the generic

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    Thursday, August 21, 2014 5:39 AM