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 WindowsFormsApplication3
{
public partial class Form1 : Form
{
public Form1()
{
InitializeComponent();
}
public delegate void UpdateTxt(string msg);
public UpdateTxt updateTxt;
public void UpdateTxtMethod(string msg)
{
richTextBox1.AppendText(msg + "\r\n");
richTextBox1.ScrollToCaret();
}
public void ThreadMethodTxt(int n)
{
this.BeginInvoke(updateTxt, "线程开始执行,执行" + n + "次,每一秒执行一次");
for (int i = 0; i < n; i++)
{
this.BeginInvoke(updateTxt, i.ToString());
Thread.Sleep(1000);
}
this.BeginInvoke(updateTxt, "线程结束");
}
private void button1_Click(object sender, EventArgs e)
{
Thread objThread = new Thread(new ThreadStart(delegate
{
ThreadMethodTxt(Convert.ToInt32(textBox1.Text.Trim()));
}));
objThread.Start();
}
private void Form1_Load_1(object sender, EventArgs e)
{
updateTxt = new UpdateTxt(UpdateTxtMethod);
}
}
}