How a driver to notify Metro style app

Question

Hi MSFT,

 I have a Metro style app which could access my customized UMDF device driver through IOControl API, now I have the requirement as below:

UMDF driver needs to notify the Metro style app. How can I implement this feature?

I have tried global event and failed to create/open it in Metro style app, any other ways to notify Metro app in UMDF driver?

Thanks!

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Qiusheng Xie

Answer 1

Can you please explain the scenario in more detail? What sort of notification are you trying to raise?

--Rob

Answer 2

In the dark ages this usually worked via a delayed ioctl request. The app posts a request, which remains pending indefinitely, until the driver has something to update. Won't it work the same way in "Metro" world?

-- pa

Answer 3

In the dark ages this usually worked via a delayed ioctl request. The app posts a request, which remains pending indefinitely, until the driver has something to update. Won't it work the same way in "Metro" world?

-- pa

Thanks, our current solution is right this.

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Qiusheng Xie