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 ReturnValueFromThread2
{
    public partial class Form1 : Form
    {
        public Form1()
        {
            InitializeComponent();
        }

        private void Form1_Load(object sender, EventArgs e)
        {
          

        }

        public String Run(String name)
        {
            String tmp = "";
            for (Int64 i = 0; i <= 5000000; i++)
            {
                tmp = name + "==> " + i;
            }
            return tmp;
        }

        private void button1_Click(object sender, EventArgs e)
        {
            String getName = "";
            Thread MyThread = new Thread(delegate()
            {
                getName = Run("Chiwa Kantawong ");
            });
            MyThread.Start();
            MessageBox.Show(getName); //will show blank message

            while (MyThread.IsAlive)
                Thread.Sleep(1);

            MessageBox.Show(getName); //will show "Chiwa Kantawong 5000000"
        }
    }

}