How to get single object with

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From: Tomasz Onyszko [MVP] (T.Onyszko_nospam__at_w2k.pl)
Date: 02/18/05 

Date: Fri, 18 Feb 2005 02:11:37 +0100

OK, I'm trying to get single instance of object
Win32_PerfFormattedData_PerfOS_Processor.Name fot _total instance, and
put it into SwbemRefresher. But whe I do Refresh operation all
properties of this object except Name are set to Null - so I can't read
for example Percent processor time.

Here is a fragment of my script:
=============================
strComputer = "."
Set ObjWMISvc = GetObject("winmgmts:{impersonationLevel=impersonate}!\\"
& strComputer & "\root\cimv2")

Set objRefresher = CreateObject("WbemScripting.SwbemRefresher")
Set objProcessor =
objRefresher.Add(ObjWMISvc,"Win32_PerfFormattedData_PerfOS_Processor.Name='_Total'").Object

objRefresher.Refresh

ppt = objProcessor.PercentProcessorTime
==============================

what am I doing wrong ? 

-- 
Tomasz Onyszko [MVP]
T.Onyszko@w2k.pl
http://www.w2k.pl