Determining Safemode

[ITXAssociates]

The O/S exports a pointer to a ULONG variable called InitSafeBootMode that contains the Safe Mode settings.

Can anybody offer any guidance as to how to read the value and therefore determine if the system is in safe mode?

Thanks

 

[Olaf Doschke]

What I found is that a device driver can refer to this:

http://msdn.microsoft.com/en-us/library/ff543079(v=vs.85).aspx

This external variable is only resolved, if you actually compile a device driver, which you can't do in foxpro. This needs the device driver development kit DDK and it's ntoskrnl.lib and development in C++.

There is an easier method for applications. The mode is also said to be written to a registry key HKLM\SYSTEM\CurrentControlSet\Control\SafeBoot\Option\OptionValue, which I don't find in XP. But WMI also returns boot info and the windows API call to GetSystemMetrics() also can return the boot state.

objWMIService = GetObject("winmgmts:\\.\root\CIMV2") 
colItems = objWMIService.ExecQuery("SELECT * FROM Win32_ComputerSystem",,48) 
For Each loItem In colItems
? "BootupState: " + loItem.BootupState
EndFor

or

#Define SM_CLEANBOOT 67
Declare Integer GetSystemMetrics In User32.dll Integer nIndex
lnBootmode = GetSystemMetrics(SM_CLEANBOOT)
? Icase(lnBootmode=0,"normal",;
    lnBootmode=1,"safe",;
    lnBootmode=2,"safe with network",;
    "unknown")

Bye, Olaf.

 

[ITXAssociates]

Thanks Olaf, both those methods work for me