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法律学如何检查 C# 中的线程是否仍然存活
要检查线程是否仍然存活，代码如下所示 −
示例
using System;
using System.Threading;
public class Demo {
public static void Main() {
Thread thread = new Thread(new ThreadStart(demo1));
thread = Thread.CurrentThread;
Console.WriteLine("Is the thread alive? = "+thread.IsAlive);
ThreadPool.QueueUserWorkItem(new WaitCallback(demo2));
Console.WriteLine("Current state of Thread = "+thread.ThreadState);
Console.WriteLine("ManagedThreadId = "+thread.ManagedThreadId);
thread.IsBackground = true;
Console.WriteLine("Is the Thread a background thread? = "+thread.IsBackground);
}
public static void demo1() {
Thread.Sleep(2000);
}
public static void demo2(object stateInfo) {
Console.WriteLine("Thread belongs to managed thread pool? = "+Thread.CurrentThread.IsThreadPoolThread);
}
}输出
这将产生以下输出 −
Is the thread alive? = True Current state of Thread = Running ManagedThreadId = 775 Is the Thread a background thread? = True Thread belongs to managed thread pool? = True
示例
现在让我们看另一个示例 −
using System;
using System.Threading;
public class Demo {
public static void Main() {
Thread thread = new Thread(new ThreadStart(demo));
thread.Start();
Console.WriteLine("Is the Thread alive? "+thread.IsAlive);
}
public static void demo() {
Console.WriteLine("Thread belongs to managed thread pool? = "+Thread.CurrentThread.IsThreadPoolThread);
}
}输出
这将产生以下输出 −
Is the Thread alive? True Thread belongs to managed thread pool? = False
更新于： 16-12-2019
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