Includes&Samples |
Win32_ControllerHasHub, ROOT\cimv2, VB Net samplesClass | Methods | Properties (7) | Qualifiers (5) | Instances (7) | Namespaces (2)Samples: VB Script | C# | VB.Net | Search on:Microsoft Win32_ControllerHasHub - VB.Net code samplesWMI query - sample windows WQL with VB.Net, AccessState property of Win32_ControllerHasHubGet a specified instance of Win32_ControllerHasHub 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.
'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_ControllerHasHub Where Antecedent="\\\\W2012SDC\\root\\cimv2:Win32_USBController.DeviceID=\"PCI\\\\VEN_1002&DEV_4397&SUBSYS_50041458&REV_00\\\\3&2B8E0B4B&0&98\""Dependent="\\\\W2012SDC\\root\\cimv2:Win32_USBHub.DeviceID=\"USB\\\\ROOT_HUB\\\\4&1A2D78B0&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")) Next WMI query - list of class instancesList of all instances of Win32_ControllerHasHub class in C#.
//https://wutils.com/wmi/ //Project -> Add reference -> System.Management //using System.Management; //set the class name and namespace string NamespacePath = "\\\\.\\ROOT\\cimv2"; string ClassName = "Win32_ControllerHasHub"; //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"]); } |