Get BitLocker ProtectionStatus for Drive C:

[LisHawj]

I am trying to retrieve the BitLocker protection status for drive C, and my script is reporting an error.  What am I missing here?  Thank you for your help.

$wbemFlagReturnImmediately = 0x10
$wbemFlagForwardOnly = 0x20
$colItems = ""
$strComputer = "localhost"

$Output = ""
$Output = $Output & "Computer: " & $strComputer & @CRLF
$objWMIService = ObjGet("winmgmts:\\" & $strComputer & "\root\CIMV2\Security\MicrosoftVolumeEncryption")
$colItems = $objWMIService.ExecQuery("SELECT * FROM Win32_EncryptableVolume", "WQL", _
        $wbemFlagReturnImmediately + $wbemFlagForwardOnly)

If IsObj($colItems) Then
    For $objItem In $colItems
        If $objItem.DriveLetter = "C:" Then
            For $objPS In $objItem.ProtectionStatus
                $status = $objPS.ProtectionStatus
            Next
        EndIf
    Next
EndIf
MsgBox(0,"", "The ProtectionStatus is: " & status)

 

[water]

To help you we need further information. A good start would be to post the error message you get

[LisHawj]

Thanks Water, it was late so I forgot about that.  This is the error I am receiving.  I do not understand the error code so am having problems fixing it.  This is my first wade into WMI scripting with AutoIT.  

--> Press Ctrl+Alt+Break to Restart or Ctrl+Break to Stop
"Y:\Scripting Workshop\WMI Object Scripts\Get BitLocker ProtectionStatus.au3" (15) : ==> Variable must be of type "Object".:
For $objPS In $objItem.ProtectionStatus
For $objPS In $objItem.ProtectionStatus^ ERROR
->07:34:56 AutoIt3.exe ended.rc:1
+>07:34:56 AutoIt3Wrapper Finished.
>Exit code: 1    Time: 0.818

[LisHawj]

Ok, after some rests I think I figure it out. I am now getting the value I expect to see, but expert eyes are still very much welcome. 

$wbemFlagReturnImmediately = 0x10
$wbemFlagForwardOnly = 0x20
$colItems = ""
$strComputer = "localhost"

$Output = ""
$Output = $Output & "Computer: " & $strComputer & @CRLF
$objWMIService = ObjGet("winmgmts:\\" & $strComputer & "\root\CIMV2\Security\MicrosoftVolumeEncryption")
$colItems = $objWMIService.ExecQuery("SELECT * FROM Win32_EncryptableVolume", "WQL", _
        $wbemFlagReturnImmediately + $wbemFlagForwardOnly)

If IsObj($colItems) Then
    For $objItem In $colItems
        If $objItem.DriveLetter = "C:" Then
            $objPS = $objItem.ProtectionStatus
        EndIf
    Next
EndIf
MsgBox(0,"", "The ProtectionStatus is: " & $objPS)

 

[spudw2k]

Looks like you got it.  Just to provide a little explanation:

$colItems returned from the WMI query (results) is a collection, which can be thought of like a series of records.  Each record has what ever properties(/fields) were specified in the query, in this example all properties (*).  There should be a "record" for each Drive, but you are only inspecting C:, which I'm sure you knew.

You only have to enumerate (For .. In ..) a retrieved property in the collection if it is itself another type of collection (array)--for example the properties denoted with brackets ([]) on the Win32_NetworkAdapterConfiguration class MSDN page.