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Parsing Device Manager with VB.Net

Posted on 2008-10-24
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Last Modified: 2012-05-05
I cant seem to get the devices starting with A in the Universal Serial Bus Controller.

i've tired Win32_USBHUB and alot more, but i always get an error , how do i get to the locate with the usb devices?

Thanks.


      Public Sub Detect2()
   
              Me.ListBox1.Items.Clear()
   
       
   
              Dim searcher As New ManagementObjectSearcher("SELECT * FROM  Win32_PnPEntity")
   
              For Each PnPDevice As ManagementObject In searcher.Get()
   
                  If Not PnPDevice("Service") Is Nothing Then
   
                      If PnPDevice("Service").ToString().StartsWith("A") Then
   
                         Me.ListBox1.Items.Add(PnPDevice("Name").ToString())
   
                      End If
 
                  End If
 
              Next PnPDevice
 
          End Sub
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Question by:ali678
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3 Comments
 
LVL 96

Accepted Solution

by:
Bob Learned earned 250 total points
ID: 22803169
Are you looking for a list of USB devices?


' Add the System.Management.dll reference to the project.
Imports System.Management
Imports System.Collections.Generic
 
Public Class Win32_UsbDevice
    Public Name As String
    Public DeviceID As String
    Public Status As String
 
    Public Shared Function GetList() As List(Of Win32_UsbDevice)
 
        Dim query As String = "Select * From WIN32_USBControllerDevice"
 
        Dim searcher As New ManagementObjectSearcher(query)
 
        Dim results As ManagementObjectCollection = searcher.Get()
 
        Dim list As New List(Of Win32_UsbDevice)
 
        Dim index As Integer = 0
 
        For Each entryCurrent As ManagementObject In results
 
            Dim device As New Win32_UsbDevice
 
            device.Name = entryCurrent("Name")
            device.DeviceID = entryCurrent("DeviceID")
            device.Status = entryCurrent("Status")
 
            list.Add(device)
 
            index += 1
 
        Next entryCurrent
 
        Return list
 
    End Function
 
    Public Overrides Function ToString() As String
        Return String.Format("Name={0}, DeviceID={1}, Status={2}", Name, DeviceID, Status)
    End Function
 
 
End Class

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