cSharpAsyncWatcherClass

cSharpAsyncWatcherClass.cs

//Used to define what is returned in the async results 
public static CimAsyncMultipleResults<CimInstance> GetValues(CimSession _session) { 
    return _session.QueryInstancesAsync(@"root\cimv2", "WQL", "SELECT Username FROM Win32_ComputerSystem"); 
} 

//This watches the async progress 
class CimInstanceWatcher : IObserver<CimInstance> { 
  public void OnCompleted() { 
    Console.WriteLine("Done"); 
  } 
  public void OnError(Exception e) { 
    Console.WriteLine("Error: " + e.Message); 
  } 
  public void OnNext (CimInstance value) { 
    Console.WriteLine("Value: " + value); 
  } 
} 

private static void Main() { 
  //Leaving cimsession creation as sync because is happens "instantly" 
  CimSession Session = CimSession.Create("PC-NAME"); 
  //Creating a new watcher object 
  var instanceObject = new CimInstanceWatcher(); 
  //Subscribing the watcher object to the async call 
  GetValues(Session).Subscribe(instanceObject); Console.ReadLine(); 
}