Includes&Samples |
Win32_PowerSupply, ROOT\CIMV2\power, VB Net samplesClass | Methods (8) | Properties (50) | Qualifiers (4) | Instances (1) | Namespaces (4)Samples: VB Script | C# | VB.Net | Search on:Microsoft Win32_PowerSupply - VB.Net code samplesWMI query - sample windows WQL with VB.Net, ActiveInputVoltage property of Win32_PowerSupplyGet a specified instance of Win32_PowerSupply 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\power") 'Get a result of WML query Dim Query As New ObjectQuery("SELECT * FROM Win32_PowerSupply Where CreationClassName="{E39B8438-EA34-47E1-AE39-3BBF5A0FE901}"DeviceID="Power Supply 0"SystemCreationClassName="{D654E2BA-F5EB-40F3-9968-5EA769F31308}"SystemName="{10955413-D51B-4DA0-A6BA-FD5E7251A04B}"") '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("ActiveInputVoltage : {0}", mObject("ActiveInputVoltage")) Next WMI query - list of class instancesList of all instances of Win32_PowerSupply 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\\power"; string ClassName = "Win32_PowerSupply"; //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("ActiveInputVoltage : {0}", oObject["ActiveInputVoltage"]); } |