normally one sends an I/O control to update the settings. This will also
let your driver know when the settings have been changed, will allow you to
filter the settings or validate them to ensure they're reasonable, etc...

-p

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"Ben Geib" <BenGeib@discussions.microsoft.com> wrote in message
news:18FE62B1-4D4C-44E1-9AFD-D50BC95C59F7@microsoft.com...