e.g.
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;
namespace WindowsApplication1
{
public partial class Form1 : Form
{
public Form1()
{
InitializeComponent();
backgroundWorker1.DoWork += new DoWorkEventHandler(backgroundWorker1_DoWork);
backgroundWorker1.RunWorkerCompleted += new RunWorkerCompletedEventHandler(backgroundWorker1_RunWorkerCompleted);
listBox1.Items.Add("wait pls..");
}
void backgroundWorker1_DoWork(object sender, DoWorkEventArgs e)
{
Person p = e.Argument as Person;
Console.WriteLine(p.Name);
e.Result = new Person("Someone else", 28);
Thread.Sleep(5000);
}
void DoWait()
{
Thread.Sleep(5000);
listBox1.Items.Clear();
listBox1.Items.Add("test");
}
void backgroundWorker1_RunWorkerCompleted(object sender, RunWorkerCompletedEventArgs e)
{
listBox1.Items.Clear();
Person developer = e.Result as Person;
listBox1.Items.Add(developer.Name);
}
private void Form1_Load(object sender, EventArgs e)
{
Person developer = new Person("a developer", 33);
backgroundWorker1.RunWorkerAsync(developer);
}
}
public class Person
{
public Person(string name, int age)
{
Name = name;
Age = age;
}
private int age;
public int Age
{
get { return age; }
set { age = value; }
}
private string name;
public string Name
{
get { return name; }
set { name = value; }
}
}
}
