哪种情况才使用SWbemServices.Get

yjqd

下面两个脚本结果一样
哪种情况才使用SWbemServices.Get呢

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Set objWMIService = GetObject("winmgmts:")
Set clsobjProcess = objWMIService.Get("Win32_LogicalDisk")

Set colProcesses = clsobjProcess.Instances_()
    WScript.Echo colProcesses.count

For Each Process in colProcesses
    WScript.Echo Process.Name
Next

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Set objWMIService = GetObject("winmgmts:")
Set clsobjProcess = objWMIService.InstancesOf("Win32_LogicalDisk")
    WScript.Echo clsobjProcess.count

For Each Process in clsobjProcess
    WScript.Echo Process.Name
Next