C# c#中的线程类

c# 中的线程类

原文:https://www.geeksforgeeks.org/thread-class-in-c-sharp/

在 C# 中，多线程系统建立在线程类之上，它封装了线程的执行。这个类包含几个有助于管理和创建线程的方法和属性，这个类是在System.Threading命名空间下定义的。

螺纹类特性:

线程类用于创建线程。
在线程类的帮助下，你可以创建前台和后台线程。
线程类允许您设置线程的优先级。
它还为您提供线程的当前状态。
它提供当前执行线程的引用。
它是一个密封类，因此不能被继承。

构造器

示例:

// C# program to illustrate
// ThreadStart constructor
using System;
using System.Threading;

public class MXThread {

    // Non-static method
    public void mythr()
    {
        for (int J = 0; J < 2; J++) {

            Console.WriteLine("My Thread is"+
                         " in progress...!!");
        }
    }
}

// Driver Class
public class GFG {

    // Main Method
    public static void Main()
    {
        // Creating object of ExThread class
        MXThread obj = new MXThread();

        // Creating and initializing thread
        // Using thread class and 
        // ThreadStart constructor
        Thread t = new Thread(new ThreadStart(obj.mythr));
        t.Start();
    }
}

输出:

My Thread is in progress...!!
My Thread is in progress...!!

性能

示例:

// C# program to illustrate how to
// set and get the priority of threads
using System;
using System.Threading;

class GFG {

    // Main Method
    static public void Main()
    {

        // Creating and initializing threads
        Thread THR1 = new Thread(work);
        Thread THR2 = new Thread(work);
        Thread THR3 = new Thread(work);

        // Set the priority of threads
        THR2.Priority = ThreadPriority.Lowest;
        THR3.Priority = ThreadPriority.AboveNormal;
        THR1.Start();
        THR2.Start();
        THR3.Start();

        // Display the priority of threads
        Console.WriteLine("The priority of Thread 1 is: {0}",
                                              THR1.Priority);

        Console.WriteLine("The priority of Thread 2 is: {0}",
                                              THR2.Priority);

        Console.WriteLine("The priority of Thread 3 is: {0}",
                                              THR3.Priority);
    }

    public static void work()
    {

        // Sleep for 1 second
        Thread.Sleep(1000);
    }
}

输出:

The priority of Thread 1 is: Normal
The priority of Thread 2 is: Lowest
The priority of Thread 3 is: AboveNormal

方法

示例:

// C# program to illustrate the
// concept of Join() method
using System;
using System.Threading;

public class MYThread {

    // Non-Static method
    public void mythr1()
    {
        Console.WriteLine("1nd thread is Working..!!");
        Thread.Sleep(100);
    }

    // Non-Static method
    public void mythr2()
    {
        Console.WriteLine("2nd thread is Working..!!");
    }
}

// Driver Class
public class ThreadExample {

    // Main method
    public static void Main()
    {
        // Creating instance of MYThread class
        MYThread obj = new MYThread();

        // Creating and initializing threads
        Thread T1 = new Thread(new ThreadStart(obj.mythr1));
        Thread T2 = new Thread(new ThreadStart(obj.mythr2));
        T1.Start();

        // Join thread
        T1.Join();
        T2.Start();
    }
}

输出:

1nd thread is Working..!!
2nd thread is Working..!!

参考:

https://docs . Microsoft . com/en-us/dotnet/API/system . threading . thread？视图= net framework-4 . 7 . 2 # 线程安全

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