Includes&Samples |
EventTrace_V1_Header, ROOT\WMI, VB Net samplesClass | Methods | Properties (24) | Qualifiers (5) | Instances | Namespaces (2)Samples: VB Script | C# | VB.Net | Search on:Microsoft EventTrace_V1_Header - VB.Net code samplesWMI query - sample windows WQL with VB.Net, BootTime property of EventTrace_V1_HeaderGet a specified instance of EventTrace_V1_Header 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\WMI") 'Get a result of WML query Dim Query As New ObjectQuery("SELECT * FROM EventTrace_V1_Header Where PropertyName="SomeText"") '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("BootTime : {0}", mObject("BootTime")) Next WMI query - list of class instancesList of all instances of EventTrace_V1_Header class in C#.
//https://wutils.com/wmi/ //Project -> Add reference -> System.Management //using System.Management; //set the class name and namespace string NamespacePath = "\\\\.\\ROOT\\WMI"; string ClassName = "EventTrace_V1_Header"; //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("BootTime : {0}", oObject["BootTime"]); } |