Re: best way to launch a UI or process from a device driver ?

this is not really something a driver should be doing. there is no guarantee that a user with sufficient privs will log on to have this key do the right thing

d

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"Norman Diamond" <ndiamond@xxxxxxxxxxxxxxxx> wrote in message news:uIGXwpWWIHA.4740@xxxxxxxxxxxxxxxxxxxxxxx
If the driver decides that the next boot will be the time to inform the user, then the driver can add a value to the "Run" registry key. That will execute a startup app, but only when it's really the right time to execute it.


"Hao Zhuang" <HaoZhuang@xxxxxxxxxxxxxxxxxxxxxxxxx> wrote in message news:8C6ED627-B055-4475-A855-228A52554576@xxxxxxxxxxxxxxxx
hello group,

i wonder what's the best way to launch a UI or process from a device driver
? we have a trial version of an intermediate driver to give away to the
customers. we wish to display a UI reminding them of the trial period
expirations.

i understand one sure way to do that is to write a service or a startup app
that monitors the device via IOCTL or similar. but that is kind of waste to
launch a process to slow down the system boot up and occupy extra swap which
most of its life time does nothing.

so i wonder if there are any other (better) ways ? such as WMI or something
like that ? i havent dug deep yet but think vista's TaskScheduler might be a
nice one. but i also need to know about XP.

thanks !

- hao


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