Thread thread1 = new Thread(new ThreadStart( Count));
thread.Priority = ThreadPriority.Highest;
if (thread.ThreadState = ThreadState.Running)
{
thread.Suspend();
}
if (thread.ThreadState = ThreadState.Suspended)
{
thread.Resume();
}
using System;
using System.Threading;
// Simple threading scenario: Start a static method running
// on a second thread.
public class ThreadExample {
// The ThreadProc method is called when the thread starts.
// It loops ten times, writing to the console and yielding
// the rest of its time slice each time, and then ends.
public static void ThreadProc() {
for (int i = 0; i < 10; i++) {
Console.WriteLine("ThreadProc: {0}", i);
// Yield the rest of the time slice.
Thread.Sleep(0);
}
}
public static void Main() {
Console.WriteLine("Main thread: Start a second thread.");
// The constructor for the Thread class requires a ThreadStart
// delegate that represents the method to be executed on the
// thread. C# simplifies the creation of this delegate.
Thread t = new Thread(new ThreadStart(ThreadProc));
// Start ThreadProc. On a uniprocessor, the thread does not get
// any processor time until the main thread yields. Uncomment
// the Thread.Sleep that follows t.Start() to see the difference.
t.Start();
//Thread.Sleep(0);
for (int i = 0; i < 4; i++) {
Console.WriteLine("Main thread: Do some work.");
Thread.Sleep(0);
}
Console.WriteLine("Main thread: Call Join(), to wait until ThreadProc ends.");
t.Join();
Console.WriteLine("Main thread: ThreadProc.Join has returned. Press Enter to end program.");
Console.ReadLine();
}
}
Main thread: Start a second thread. Main thread: Do some work. ThreadProc: 0 Main thread: Do some work. ThreadProc: 1 Main thread: Do some work. ThreadProc: 2 Main thread: Do some work. ThreadProc: 3 Main thread: Call Join(), to wait until ThreadProc ends. ThreadProc: 4 ThreadProc: 5 ThreadProc: 6 ThreadProc: 7 ThreadProc: 8 ThreadProc: 9 Main thread: ThreadProc.Join has returned. Press Enter to end program.
static void Main(string[] args)
{
Thread t1 = new Thread(new ThreadStart(Thread1));
Thread t2 = new Thread(new ThreadStart(Thread2));
t1.Priority = ThreadPriority.BelowNormal ;
t2.Priority = ThreadPriority.Lowest ;
t1.Start();
t2.Start();
}
public static void Thread1()
{
for (int i = 1; i < 1000; i++)
{//每运行一个循环就写一个“1”
dosth();
Console.Write("1");
}
}
public static void Thread2()
{
for (int i = 0; i < 1000; i++)
{//每运行一个循环就写一个“2”
dosth();
Console.Write("2");
}
}
public static void dosth()
{//用来模拟复杂运算
for (int j = 0; j < 10000000; j++)
{
int a=15;
a = a*a*a*a;
}
}
static void Main(string[] args)
{
Thread t1 = new Thread(new ThreadStart(Thread1));
t1.Start();
t1.Interrupt ();
E.WaitOne ();
t1.Interrupt ();
t1.Join();
Console.WriteLine(“t1 is end”);
}
static AutoResetEvent E = new AutoResetEvent(false);
public static void Thread1()
{
try
{//从参数可看出将导致休眠
Thread.Sleep(Timeout.Infinite);
}
catch(System.Threading.ThreadInterruptedException e)
{//中断处理程序
Console.WriteLine (" 1st interrupt");
}
E.Set ();
try
{// 休眠
Thread.Sleep(Timeout.Infinite );
}
catch(System.Threading.ThreadInterruptedException e)
{
Console.WriteLine (" 2nd interrupt");
}//暂停10秒
Thread.Sleep (10000);
}
public static bool QueueUserWorkItem( //调用成功则返回true WaitCallback callBack,//要创建的线程调用的委托 object state //传递给委托的参数 )//它的另一个重载函数类似,只是委托不带参数而已
public static RegisteredWaitHandle RegisterWaitForSingleObject( WaitHandle waitObject,// 要注册的 WaitHandle WaitOrTimerCallback callBack,// 线程调用的委托 object state,//传递给委托的参数 int TimeOut,//超时，单位为毫秒， bool executeOnlyOnce file://是否只执行一次 ); public delegate void WaitOrTimerCallback( object state,//也即传递给委托的参数 bool timedOut//true表示由于超时调用，反之则因为waitObject );
static AutoResetEvent ev=new AutoResetEvent(false);
public static int Main(string[] args)
{ ThreadPool.RegisterWaitForSingleObject(
ev,
new WaitOrTimerCallback(WaitThreadFunc),
4,
2000,
false//表示每次完成等待操作后都重置计时器，直到注销等待
);
ThreadPool.QueueUserWorkItem (new WaitCallback (ThreadFunc),8);
Thread.Sleep (10000);
return 0;
}
public static void ThreadFunc(object b)
{ Console.WriteLine ("the object is {0}",b);
for(int i=0;i<2;i++)
{ Thread.Sleep (1000);
ev.Set();
}
}
public static void WaitThreadFunc(object b,bool t)
{ Console.WriteLine ("the object is {0},t is {1}",b,t);
}
public Timer( TimerCallback callback,//所需调用的方法 object state,//传递给callback的参数 int dueTime,//多久后开始调用callback int period//调用此方法的时间间隔 );
public bool Change(
int dueTime,
int period
);//显然所改变的两个参数对应于Timer中的两参数
public static int Main(string[] args)
{
Console.WriteLine ("period is 1000");
Timer tm=new Timer (new TimerCallback (TimerCall),3,1000,1000);
Thread.Sleep (2000);
Console.WriteLine ("period is 500");
tm.Change (0,800);
Thread.Sleep (3000);
return 0;
}
public static void TimerCall(object b)
{
Console.WriteLine ("timercallback; b is {0}",b);
}
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