如何检测当前已安装的杀毒软件和软件更新时间，就像XP的安全中心那样

http://social.msdn.microsoft.com/Forums/en-US/windowssecurity/thread/bd97d9e6-75c1-4f58-9573-9009df5de19bIs there an API to the wscsvc?API needed to provide such capabilities as:- programmatically check if antivirus is ok- add new component that will be monitored by wscsvc Does such thing exist?*********************I've managed to find these links:Windows Security Center"You have some Non Disclosure Agreement document to sign before you get the access to the security center. The interface is not likely availble publicly. The contact information can be found at Implementing the Teredo Security Model"And there is WMI interface:Code SnippetSet oWMI = GetObject("winmgmts:{impersonationLevel=impersonate}!//./root/SecurityCenter")Set colItems = oWMI.ExecQuery("Select * from AntiVirusProduct")For Each objAntiVirusProduct In colItems msg = msg & "companyName: " & objAntiVirusProduct.companyName & vbCrLf msg = msg & "displayName: " & objAntiVirusProduct.displayName & vbCrLf msg = msg & "instanceGuid: " & objAntiVirusProduct.instanceGuid & vbCrLf msg = msg & "onAccessScanningEnabled: " & objAntiVirusProduct.onAccessScanningEnabled & vbCrLf msg = msg & "productUptoDate: " & objAntiVirusProduct.productUptoDate & vbCrLf msg = msg & "versionNumber: " & objAntiVirusProduct.versionNumber & vbCrLf msg = msg & vbCrLfNextWScript.Echo msg