BroadcastSystemMessage command for system-level driver

Hi

I’m writing a WDM driver and I need a way for the driver to notify the
application that a hardware event has occured. In the SDK documentation
(under a search for Broadcasting Messages) it said that
BroadcastSystemMessage command could be used to send messages to device
drivers and that "System-level device drivers use a related, system-level
function to broadcast system messages. "

In searching the DDK documentation, I found _SHELL_BroadcastSystemMessage
which seems to be for Windows ME but have been unable to find the Win2000
equivalent for it. I was hoping someone could point me in the right
direction.

Thanks,

Matthew Tse


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> I’m writing a WDM driver and I need a way for the driver to notify the

application that a hardware event has occured. In the SDK documentation

Let the app send the overlapped DeviceIoControl to the driver and complete
it when the event occurs.

Max


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