如何銷燬 C# 中的執行緒?


Abort() 方法用於銷燬執行緒。

執行時會透過丟擲 ThreadAbortException 來終止執行緒。該異常無法被捕獲,控制權將被髮送給 finally 塊(如果有的話)。

以下是演示如何銷燬執行緒的示例 -

示例

 動態演示

using System;
using System.Threading;

namespace MultithreadingApplication {
   class ThreadCreationProgram {
      public static void CallToChildThread() {
         try {
            Console.WriteLine("Child thread starts");

            // do some work, like counting to 10
            for (int counter = 0; counter <= 10; counter++) {
               Thread.Sleep(500);
               Console.WriteLine(counter);
            }

            Console.WriteLine("Child Thread Completed");
         } catch (ThreadAbortException e) {
            Console.WriteLine("Thread Abort Exception");
         } finally {
            Console.WriteLine("Couldn't catch the Thread Exception");
         }
      }

      static void Main(string[] args) {
         ThreadStart childref = new ThreadStart(CallToChildThread);
         Console.WriteLine("In Main: Creating the Child thread");

         Thread childThread = new Thread(childref);
         childThread.Start();
         //stop the main thread for some time
         Thread.Sleep(2000);
         //now abort the child
         Console.WriteLine("In Main: Aborting the Child thread");
         childThread.Abort();
         Console.ReadKey();
      }
   }
}

輸出

In Main: Creating the Child thread
Child thread starts
0
1
2
In Main: Aborting the Child thread
Thread Abort Exception
Couldn't catch the Thread Exception

更新於:2020-06-20

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