Reboot flag in setup API UpdateDriverForPlugAndPlayDevices()

All,

We wrote an driver installer to install the driver.
But I found that the reboot flag (bRebootRequired) output from the
UpdateDriverForPlugAndPlayDevices() API is not correct.
For instance, if I uninstalled a NDIS 4.0 WAN driver and then install a NDIS
5.0 CoNDIS WAN driver.
In this case, the reboot flag should be TRUE. But the reboot flag returned
from this API is always FALSE.
Is there any alternative API that I can call to know whether reboot is
required or not.


bRet = UpdateDriverForPlugAndPlayDevices(
hwndParent,
HardwareId,
FullInfPath,
InstallFlags,
bRebootRequired);


.

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