Rob
Wed Jun 11 05:17:01 PDT 2008
Hi Michel,
Sorry, I was confused.
The problem described only occurs in XP, The CE version works OK.
The LParam=0 is the problem in XP.
In XP there is no MSGQ with info...
wrong group ;-)
Greetings,
Rob.
"Michel Verhagen (eMVP)" wrote:
> IIRC you can define a GUID in the driver registry entries that gets
> passed in the notification structure. Otherwise
> GetDeviceInformationByXXXX functions? What function you use for device
> notifications?
>
>
> Good luck,
>
> Michel Verhagen, eMVP
> Check out my blog:
http://GuruCE.com/blog
>
> GuruCE Ltd.
> Microsoft Embedded Partner
>
http://GuruCE.com
> Consultancy, training and development services.
>
> Rob wrote:
> > Hi ,
> > Thanks Bruce, that looks usefull.
> > But it still leaves the problem of how to determine which of those device's
> > was the one that was just added (or removed).
> >
> > I would expect that I can determine this in the notification in some way.
> > Isn't that the main point of notifications ?
> >
> > Greetings,
> > Rob.
> >
> >
> >
> > "Bruce Eitman [eMVP]" wrote:
> >
> >> Funny, I posted to my blog yesterday a little function that enumerates the
> >> loaded driver.
> >>
> >>
http://geekswithblogs.net/BruceEitman/archive/2008/06/10/windows-ce-listing-running-drivers.aspx
> >>
> >> This just outputs to the debug port, but I bet you can figure out a way to
> >> keep track of them.
> >>
> >> --
> >> Bruce Eitman (eMVP)
> >> Senior Engineer
> >> Bruce.Eitman AT EuroTech DOT com
> >> My BLOG
http://geekswithblogs.net/bruceeitman
> >>
> >> EuroTech Inc.
> >> www.EuroTech.com
> >>
> >> "Rob" <Rob@discussions.microsoft.com> wrote in message
> >> news:2AA2593C-10A0-4EF0-A8AD-5888939C5EB9@microsoft.com...
> >>> Hi,
> >>> My app registers for device-notifications, in order to get more info about
> >>> devices added.
> >>>
> >>> For Disks it's simple to get the devicename (like "Dsk1:") from the
> >>> notification.
> >>> (through LPARAM I think...)
> >>> For PORTS (COM1:) I can only get the device-interface-GUID as far as I can
> >>> tell.
> >>> (LPARAM=0)
> >>> I read on inet that using this info, I need to Enumerate all my devices,
> >>> access the active-driver-registry, and determining myself which was added
> >>> or
> >>> removed.
> >>> (how ??? by keeping device-lists ? hope not...)
> >>>
> >>> This seems way to complex (error prone,slow), since I think it IS known
> >>> which is the devicename is beeing mounted.
> >>> How can I get to this info in a simple and straightforward way ?
> >>>
> >>> in short : the goal is to call 2 members from my
> >>> devicenotification-interface :
> >>> void PortAdded(WCHAR *devname);
> >>> void PortRemoved(WCHAR *devname);
> >>>
> >>> Where devname is something like "COM1:"
> >>> Any Tips ?
> >>>
> >>> Greetings,
> >>> Rob.
> >>>
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