using System;using System.Collections.Generic;using System.Linq;using System.Text;using System.Threading;namespace ConsoleSample{  class Program  {    static void Main(string[] args)    {      Console.WriteLine("這是主線程");      DateTime dtStart = DateTime.Now;      for (int i = 0; i < 100; i++)      {        Student s = new Student();        s.name = "張三" + i;        s.sex = "男";        s.age = 28;        Thread t = new Thread(ThreadWithParas);        t.Start(s); //要給線程傳遞數據，需某個存儲數據的類或結構      }      DateTime dtEnd = DateTime.Now;      TimeSpan span = (TimeSpan)(dtEnd - dtStart);      Console.ReadLine();      Console.WriteLine("運行的時間 " + span.Milliseconds);      Console.ReadLine();    }    static void ThreadWithParas(object o)    {      Student s = o as Student;      Console.WriteLine("這是分線程" + Thread.CurrentThread.ManagedThreadId + " " + s.name + "---" + s.sex + "---" + s.age);    }  }  public class Student  {    public string name;    public string sex;    public int age;  }}

using System;using System.Collections.Generic;using System.Linq;using System.Text;using System.Threading;using System.Threading.Tasks;namespace ConsoleSample{  class Program  {    static void Main(string[] args)    {      //任務層次結構      Task parent = new Task(ParentTask);      parent.Start();      Thread.Sleep(2000);      Console.WriteLine(parent.Status);      Thread.Sleep(4000);      Console.WriteLine(parent.Status);      Console.ReadLine();    }    //父任務    static void ParentTask()    {      Console.WriteLine("task id {0}", Task.CurrentId);      Task child = new Task(ChildTask); // , TaskCreationOptions.DetachedFromParent);      child.Start();      Thread.Sleep(1000);      Console.WriteLine("parent started child");      // Thread.Sleep(3000);    }    //子任務    static void ChildTask()    {      Console.WriteLine("child");      Thread.Sleep(5000);      Console.WriteLine("child finished");    }  }}