Win32_USBControllerDevice, ROOT\cimv2, VB Net samples

Class | Methods | Properties (7) | Qualifiers (6) | Instances (9) | Namespaces (2)
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Win32_USBControllerDevice - VB.Net code samples

WMI query - sample windows WQL with VB.Net, AccessState property of Win32_USBControllerDevice

Get a specified instance of Win32_USBControllerDevice by a key, get a default unnamed instance (singleton) of the class or list instances of the class by wmi query using this VB.Net sample code.
See in another language: VBScript, C#
	'Project -> Add reference -> System.Management
	'Imports System.Management
	'Get the namespace management scope
	Dim Scope As New ManagementScope("\\.\ROOT\cimv2")
	'Get a result of WML query 
	Dim Query As New ObjectQuery("SELECT * FROM Win32_USBControllerDevice Where Antecedent="\\\\W2012SDC\\root\\cimv2:Win32_USBController.DeviceID=\"PCI\\\\VEN_1002&DEV_4399&SUBSYS_50041458&REV_00\\\\3&2B8E0B4B&0&A5\""Dependent="\\\\W2012SDC\\root\\cimv2:Win32_PnPEntity.DeviceID=\"USB\\\\ROOT_HUB\\\\4&3793080E&0\""")
	'Create object searcher
	Dim Searcher As New ManagementObjectSearcher(Scope, Query)
	'Get a collection of WMI objects
	Dim queryCollection As ManagementObjectCollection = Searcher.Get
	'Enumerate wmi object 
	For Each mObject As ManagementObject In queryCollection
	  'write out some property value
	  Console.WriteLine("AccessState : {0}", mObject("AccessState"))

WMI query - list of class instances

List of all instances of Win32_USBControllerDevice class in C#.
See in another language: VBScript, VB.Net.
	//Project -> Add reference -> System.Management
	//using System.Management;
	//set the class name and namespace
	string NamespacePath = "\\\\.\\ROOT\\cimv2";
	string ClassName = "Win32_USBControllerDevice";
	//Create ManagementClass
	ManagementClass oClass = new ManagementClass(NamespacePath + ":" + ClassName);
	//Get all instances of the class and enumerate them
	foreach (ManagementObject oObject in oClass.GetInstances())
		//access a property of the Management object
		Console.WriteLine("AccessState : {0}", oObject["AccessState"]);
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