C#线程的一个示例,自己备忘(向多个控件传递值)

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

/// <summary>
///本程序只是线程使用的一个例子，所以没有加入异常捕获语句
/// 关键要理解的地方
/// 委托：delegate
/// 调用：invoke：
/// invoke的第二个参数：new object[] {parameter1,parameter2,parameter3……}
/// parameter可以是控件、数据类型或者其他对象，如：new object[] {control1,control2,int……}
/// </summary>
namespace csharp_thread
{
public partial class Form1 : Form
{
public Form1()
{
InitializeComponent();
///禁用线程安全，这是1.0使用的方法，为了避免以后出现兼容性问题不应该设置为false
///CheckForIllegalCrossThreadCalls = false;
}

Thread test_thread;

/// <summary>
///声明委托，他的参数必须和被委托的函数一致
/// </summary>
delegate void delegate_set_textbox(TextBox delegate_textbox,ProgressBar delegate_progressbar, int textbox_value);

/// <summary>
///设置文本框的值
/// </summary>
private void set_textbox_value(TextBox textbox,ProgressBar progressbar, int value)
{
textbox.Text = value.ToString();
progressBar1.Value = value;
}
/// <summary>
/// 使用委托和invoke,这个将是线程要做的事情
/// </summary>
private void thread_work()
{
int i;

if (textBox1.InvokeRequired)
{
for (i = 1; i < 1000000; i++)
{
///Invoke同步，
///Invoke(new delegate_set_textbox(set_textbox_value), arg, i);
///BeginInvoke异步，总是使用UI线程
BeginInvoke(new delegate_set_textbox(set_textbox_value), new object[] { textBox1,progressBar1, i });
Thread.Sleep(1);
}
}
///else应该不会被执行，因为这个线程和创建控件的线程不是同一个
else
{
for (i = 1; i < 100; i++)
{
set_textbox_value(textBox1,progressBar1, i);
Thread.Sleep(1000);
}
}
}

private void button1_Click(object sender, EventArgs e)
{ ///使用带参数的线程
test_thread = new Thread(new ThreadStart(thread_work));
test_thread.Start();
label1.Text = test_thread.ThreadState.ToString();
}

private void button2_Click(object sender, EventArgs e)
{
test_thread.Suspend();
label1.Text = test_thread.ThreadState.ToString();
}

private void button3_Click(object sender, EventArgs e)
{
test_thread.Resume();
label1.Text = test_thread.ThreadState.ToString();
}

private void button4_Click(object sender, EventArgs e)
{
test_thread.Abort();
label1.Text = test_thread.ThreadState.ToString();
}

private void Form1_FormClosing(object sender, FormClosingEventArgs e)
{
test_thread.Abort();
///label1.Text = test_thread.ThreadState.ToString();
}

}
}