Registering wait callbacks for events : ThreadPool « Thread « C# / CSharp Tutorial

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C# / CSharp Tutorial » Thread » ThreadPool 
20.28.7.Registering wait callbacks for events
using System;
using System.Collections.Generic;
using System.Diagnostics;
using System.IO;
using System.Reflection;
using System.Runtime;
using System.Runtime.CompilerServices;
using System.Security;
using System.Text;

public class MainClass
{
    public static void Main()
    {
        using (EventWaitHandle ewh = new ManualResetEvent(false))
        using (EventWaitHandle callbackDoneEvent = new ManualResetEvent(false))
        {
            ThreadPool.RegisterWaitForSingleObject(ewh,
                delegate {
                    Console.WriteLine("Callback fired: {0}", Thread.CurrentThread.ManagedThreadId);
                    callbackDoneEvent.Set();
                }, null, Timeout.Infinite, true);

            Console.WriteLine("Setting the event: {0}", Thread.CurrentThread.ManagedThreadId);
            ewh.Set();

            callbackDoneEvent.WaitOne();
        }
    }
}
Setting the event: 1
Callback fired: 4
20.28.ThreadPool
20.28.1.Thread Pool Example
20.28.2.Use ThreadPool
20.28.3.Using the thread pool and no arguments
20.28.4.Using the thread pool and providing an argument
20.28.5.Use ThreadPool to implement a hello server
20.28.6.Use the system thread pool
20.28.7.Registering wait callbacks for events
20.28.8.Available worker/IO threads
20.28.9.Max worker/IO threads in a ThreadPool
20.28.10.Min worker/IO threads in a ThreadPool
20.28.11.Scheduling work to occur on the thread-pool
20.28.12.ThreadPool Demo
20.28.13.Using ThreadPool Instead of Instantiating Threads Explicitly
20.28.14.Queuing a task for execution by ThreadPool threads, with the RegisterWaitForSingleObject method.
20.28.15.QueueUserWorkItem and RegisterWaitForSingleObject: Queue a task, represented by the ThreadProc method, using the QueueUserWorkItem method.
20.28.16.Canceling a queued task with RegisteredWaitHandle.
20.28.17.Use the QueueUserWorkItem method to queue a task and supply the data for the task.
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