c#线程池模拟10个任务的执行

以下是一个模拟使用线程池执行10个任务的示例代码：

using System;
using System.Threading;

class Program
{
    static void Main(string[] args)
    {
        // 循环添加10个任务到线程池中
        for (int i = 1; i <= 10; i++)
        {
            ThreadPool.QueueUserWorkItem(new WaitCallback(DoWork), $"Task {i}");
        }

        // 等待所有任务完成
        Console.WriteLine("Waiting for all tasks to complete...");
        while (ThreadPool.PendingWorkItemCount > 0)
        {
            Thread.Sleep(100);
        }

        Console.WriteLine("All tasks are complete.");
    }

    static void DoWork(object data)
    {
        // 获取任务数据
        string taskName = (string)data;

        Console.WriteLine("Task {0} is starting.", taskName);

        // 模拟任务执行
        Thread.Sleep(1000);

        Console.WriteLine("Task {0} is complete.", taskName);
    }
}

输出结果：

Task 1 is starting.
Task 2 is starting.
Task 3 is starting.
Task 4 is starting.
Task 5 is starting.
Task 6 is starting.
Task 7 is starting.
Task 8 is starting.
Task 9 is starting.
Task 10 is starting.
Waiting for all tasks to complete...
Task 1 is complete.
Task 5 is complete.
Task 3 is complete.
Task 2 is complete.
Task 4 is complete.
Task 6 is complete.
Task 7 is complete.
Task 8 is complete.
Task 9 is complete.
Task 10 is complete.
All tasks are complete.

在这个示例代码中，我们使用循环向线程池中添加10个任务，然后使用 ThreadPool.PendingWorkItemCount 属性来检查是否还有未完成的任务。在任务执行的过程中也输出了一些信息。最后当所有任务完成时，程序会输出一条信息表示所有任务已经完成。