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
weituoanquan
...
{ public partial class Form1 : Form ...{ public delegate void callhandler(); public Form1() ...{ InitializeComponent(); } private void button1_Click(object sender, EventArgs e) ...{ Thread A = new Thread(SetText);//执行一个新的A线程. A.Start(); //SetText(); } public void Set() ...{ this.textBox1.Text = "safe"; } public void SetText() ...{ if (this.textBox1.InvokeRequired)//如果有新的线程 ...{ callhandler call = new callhandler(Set); textBox1.Invoke(call);//调用一个委托,执行一个被认为是线程安全的方法. } else ...{ this.textBox1.Text = "NO"; } } }}
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