Win32_PowerSupply, ROOT\CIMV2\power, VB Net samples

Class | Methods (8) | Properties (50) | Qualifiers (4) | Instances (1) | Namespaces (4)
Samples: VB Script | C# | VB.Net | Search on:Microsoft

Win32_PowerSupply - VB.Net code samples

WMI query - sample windows WQL with VB.Net, ActiveInputVoltage property of Win32_PowerSupply

Get 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.
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\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"))

WMI query - list of class instances

List of all instances of Win32_PowerSupply 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\\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"]);
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