Asynchronous Results Pattern Example : Asynchronous « Thread « C# / CSharp Tutorial

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C# / CSharp Tutorial » Thread » Asynchronous 
20.23.11.Asynchronous Results Pattern Example
using System;
using System.Threading;

delegate void WorkerThreadHandler();

public class MainClass
{
  public static AutoResetEvent ResetEvent = new AutoResetEvent(false);

  public static void Main()
  {
      WorkerThreadHandler workerMethod = null;
      IAsyncResult asyncResult = null;

      try
      {
          workerMethod = new WorkerThreadHandler(DoWork);
          asyncResult = workerMethod.BeginInvoke(null, null);
          while(!asyncResult.AsyncWaitHandle.WaitOne(1000false))
          {
              Console.Write('.');
          }
      }
      finally
      {
          if (workerMethod != null && asyncResult != null)
          {
             workerMethod.EndInvoke(asyncResult);
          }
      }
  }

  public static void DoWork()
  {
      Thread.Sleep(1000);
  }
}
20.23.Asynchronous
20.23.1.Asynchronous Calls: IAsyncResult
20.23.2.Async Method
20.23.3.Asynchronous Calls with Return Values
20.23.4.Use async job to compute
20.23.5.Pass delegate to deal with the IAsyncResult
20.23.6.Call asynchronously
20.23.7.Use AsyncCallback
20.23.8.Async Delegate
20.23.9.Asynchronous Invocation Of Delegates
20.23.10.Async Callback Delegate
20.23.11.Asynchronous Results Pattern Example
20.23.12.AsyncCallback and file viewer
20.23.13.Asynchronous Writing, Asynchronous Reading
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