EventArrivedEventArgs Class
.NET Framework 3.0
Holds event data for the EventArrived event.
Namespace: System.Management
Assembly: System.Management (in system.management.dll)
Assembly: System.Management (in system.management.dll)
The following asynchronous example sets up a WMI timer to raise an event every second, and removes it when no longer needed. The ManagementEventWatcher defines several .NET Framework events which are raised when WMI events are delivered. Delegates are attached to these events for handling the incoming data.
using System; using System.Management; // This example shows asynchronous consumption of events. // In this example you are listening for timer events. // The first part of the example sets up the timer. public class EventWatcherAsync { public EventWatcherAsync() { // Set up a timer to raise events every 1 second //============================================= ManagementClass timerClass = new ManagementClass("__IntervalTimerInstruction"); ManagementObject timer = timerClass.CreateInstance(); timer["TimerId"] = "Timer1"; timer["IntervalBetweenEvents"] = 1000; timer.Put(); // Set up the event consumer //========================== // Create event query to receive timer events WqlEventQuery query = new WqlEventQuery("__TimerEvent", "TimerId=\"Timer1\""); // Initialize an event watcher and // subscribe to timer events ManagementEventWatcher watcher = new ManagementEventWatcher(query); // Set up a listener for events watcher.EventArrived += new EventArrivedEventHandler( this.HandleEvent); // Start listening watcher.Start(); // Do something in the meantime System.Threading.Thread.Sleep(10000); // Stop listening watcher.Stop(); } private void HandleEvent(object sender, EventArrivedEventArgs e) { Console.WriteLine("Event arrived !"); } public static void Main(string[] args) { // start the event watcher EventWatcherAsync eventWatcher = new EventWatcherAsync(); } }
System.Object
System.EventArgs
System.Management.ManagementEventArgs
System.Management.EventArrivedEventArgs
System.EventArgs
System.Management.ManagementEventArgs
System.Management.EventArrivedEventArgs
Windows 98, Windows Server 2000 SP4, Windows Millennium Edition, Windows Server 2003, Windows XP Media Center Edition, Windows XP Professional x64 Edition, Windows XP SP2, Windows XP Starter Edition
The Microsoft .NET Framework 3.0 is supported on Windows Vista, Microsoft Windows XP SP2, and Windows Server 2003 SP1.