vb.net - Cannot find usb device iot core -


trying connect apc ups via usb , send raw data.

package.appxmanifest

    <devicecapability name="usb">   <device id="vidpid:051d 0002">     <function type="name:vendorspecific"/>   </device> </devicecapability>

startuptask.vb

imports system imports system.collections.generic imports system.linq imports system.text imports system.net.http imports windows.applicationmodel.background  ' background application template documented @ http://go.microsoft.com/fwlink/?linkid=533884&clcid=0x409  public notinheritable class startuptask     implements ibackgroundtask          public async sub mainpage_load(sender object, e routedeventargs) handles mybase.loaded     dim vid uint32 = &h51d     dim pid uint32 = &h2      dim filter string = windows.devices.usb.usbdevice.getdeviceselector(vid, pid)     dim dev windows.devices.enumeration.deviceinformationcollection = await windows.devices.enumeration.deviceinformation.findallasync(filter, nothing)     if dev.count > 0         dim device windows.devices.usb.usbdevice = await windows.devices.usb.usbdevice.fromidasync(dev(0).id)     end if end sub

issue device comes nothing. dev.count 1.


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