' 导入命名空间
Imports System.Management

Class Sample

    Public Overloads Shared Function _
    Main(ByVal args() As String) As Integer

        Dim c As New ManagementClass("Win32_Process")
        Dim o As ManagementObject
        For Each o In c.GetInstances()
            Console.WriteLine( _
                "Next instance of Win32_Process : {0}", o("Name"))
        Next o

    End Function
End Class

' 导入命名空间
Imports System.Management

Class Sample

    Public Overloads Shared Function _
    Main(ByVal args() As String) As Integer

        Dim opt As New EnumerationOptions
        ' Will enumerate instances of the given class and any subclasses.
        opt.EnumerateDeep = True
        Dim mngmtClass As New ManagementClass("CIM_Service")
        Dim o As ManagementObject
        For Each o In mngmtClass.GetInstances(opt)
            Console.WriteLine(o("Name"))
        Next o

    End Function
End Class

' 导入命名空间
Imports System.Management

Public Class AsyncGetExample

    Public Sub New()

        Dim c As New ManagementClass("Win32_Process")
        Dim ob As New ManagementOperationObserver
        AddHandler ob.ObjectReady, AddressOf Me.NewObject
        AddHandler ob.Completed, AddressOf Me.Done

        c.GetInstances(ob)

        While Not Me.Completed
            System.Threading.Thread.Sleep(1000)
        End While

        'Here you can use the object

    End Sub

    Private finished As Boolean = False

    Private Sub NewObject(ByVal sender As Object, _
    ByVal e As ObjectReadyEventArgs)
        Console.WriteLine("New result arrived: {0}", _
         e.NewObject("Name"))
    End Sub

    Private Sub Done(ByVal sender As Object, _
    ByVal e As CompletedEventArgs)
        Console.WriteLine("async Get completed !")
        finished = True
    End Sub

    Private ReadOnly Property Completed() As Boolean
        Get
            Return finished
        End Get
    End Property


    Public Shared Function Main(ByVal args() _
        As String) As Integer

        Dim asyncGet As New AsyncGetExample

        Return 0

    End Function

End Class