Includes&Samples |
CIM_USBHub, ROOT\cimv2, VB Net samplesClass | Childs (1) | Methods (3) | Properties (28) | Qualifiers (2) | Instances (7) | Namespaces (2)Samples: VB Script | C# | VB.Net | Search on:Microsoft CIM_USBHub - VB.Net code samplesWMI query - sample windows WQL with VB.Net, Availability property of CIM_USBHubGet a specified instance of CIM_USBHub 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 CIM_USBHub Where ???") '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("Availability : {0}", mObject("Availability")) Next WMI query - list of class instancesList of all instances of CIM_USBHub 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 = "CIM_USBHub"; //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("Availability : {0}", oObject["Availability"]); } |