C#网络程序设计1-4：多线程并发执行

来源：互联网发布：旅游景点数据库编辑：程序博客网时间：2024/06/05 19:15

</pre><pre class="csharp" name="code">//图形界面设计见前面的文章

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;using System.Threading;namespace 文本抄写员程序_多线程并发执行_{    public partial class Form1 : Form    {        private delegate void WriteTextBox(char ch);        private WriteTextBox writeTextBox;        public Form1()        {            InitializeComponent();            CheckForIllegalCrossThreadCalls = false;        }        private void button1_Click(object sender, EventArgs e)        {            ThreadStart doTask1 = new ThreadStart(DoTsk1);            Thread tsk1Thread = new Thread(doTask1);            tsk1Thread.Start();            ThreadStart doTsk2 = new ThreadStart(DoTsk2);            Thread tsk2Thread = new Thread(doTsk2);            tsk2Thread.Start();        }        private void DoTsk1()        {            if (checkBox1.Checked == true)            {                textBox1.Clear();                textBox1.Refresh();                writeTextBox = new WriteTextBox(WriTextBox1);                WriTxt(writeTextBox);                textBox3.Focus();                textBox3.SelectAll();            }         }        private void DoTsk2()        {            if (checkBox2.Checked == true)            {                textBox2.Clear();                textBox2.Refresh();                writeTextBox = new WriteTextBox(WriTextBox2);                WriTxt(writeTextBox);                textBox3.Focus();                textBox3.SelectAll();            }        }        private void WriTxt(WriteTextBox wMethod)        {            string strdata = textBox3.Text;            for (int i = 0; i < strdata.Length; i++)            {                wMethod(strdata[i]);                DateTime now = DateTime.Now;                while (now.AddSeconds(1) > DateTime.Now)                { }            }        }        private void WriTextBox1(char ch)        {            textBox1.AppendText(ch + "\r");        }        private void WriTextBox2(char ch)        {            textBox2.AppendText(ch + "\r");        }    }}

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