停止线程代码,CSharp代码库,德仔网

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【CSharp】停止线程

作者:炳炎 / 发布于2015/1/26/ 443


	using System;
	using System.Collections.Generic;
	using System.ComponentModel;
	using System.Data;
	using System.Drawing;
	using System.Linq;
	using System.Text;
	using System.Windows.Forms;

	namespace WinFormApp
	{
	 public partial class Form1 : Form
	 {

	 System.Threading.CancellationTokenSource cancel = new System.Threading.CancellationTokenSource();
	 System.Threading.Thread[] thread;
	 int len = 2;

	 public Form1()
	 {
	 InitializeComponent();

	 thread = new System.Threading.Thread[len];
	 }

	 void RunThread()
	 {
	 ThreadInvoke.SetEventInvokeValue(richTextBox1, "即将开始运行线程.");
	 System.Threading.Thread t = null;
	 for (int i = 0; i < len; i++)
	 {
	 t = new System.Threading.Thread(new System.Threading.ThreadStart(Sample));
	 t.Name = "thread_0" + i.ToString();
	 t.IsBackground = true;
	 thread.SetValue(t, i);
	 t.Start();
	 }

	 }

	 void Sample()
	 {
	 string name = System.Threading.Thread.CurrentThread.Name;
	 ThreadInvoke.SetEventInvokeValue(richTextBox1, "正在运行线程：" + name);
	 while (true)
	 {
	 if (cancel.IsCancellationRequested)
	 {
	 ThreadInvoke.SetEventInvokeValue(richTextBox1, "线程：" + name + " 停止运行...");
	 //线程被终止后回调
	 cancel.Token.Register(delegate
	 {
	 ThreadInvoke.SetEventInvokeValue(richTextBox1, "线程：" + name + " 停止运行之后的回调函数...");
	 });
	 break;
	 }
	 }

	 }

	 void ShowStatu()
	 {
	 StringBuilder sb = new StringBuilder();
	 for (int i = 0; i < len; i++)
	 {
	 if (thread[i].IsAlive == true)
	 {
	 sb.AppendLine("线程：" + thread[i].Name.ToString() + " 还在运行...");
	 }
	 }
	 if (sb.ToString() == "")
	 {
	 sb.AppendLine("线程已经全部停止...");
	 }

	 richTextBox1.Text += sb.ToString();
	 }

	

	 /// <summary>
	 /// 开始运行线程
	 /// </summary>
	 /// <param name="sender"></param>
	 /// <param name="e"></param>
	 private void button1_Click(object sender, EventArgs e)
	 {
	 RunThread();
	 }

	 /// <summary>
	 /// 显示所有的线程状态
	 /// </summary>
	 /// <param name="sender"></param>
	 /// <param name="e"></param>
	 private void button2_Click(object sender, EventArgs e)
	 {
	 ShowStatu();
	 }

	 /// <summary>
	 /// 终止所有的线程
	 /// </summary>
	 /// <param name="sender"></param>
	 /// <param name="e"></param>
	 private void button3_Click(object sender, EventArgs e)
	 {
	 cancel.Cancel();
	 }
	 }
	}

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