Exception handling of multiple-threaded model in C#

ExceptionTestForm.cs

using System;
using System.Threading;
using System.Windows.Forms;

namespace ET_WinForm
{
    public partial class ExceptionTestForm : Form
    {
        Thread worker = new Thread(Go);
        Thread worker2 = new Thread(Back);

        public ExceptionTestForm()
        {
            InitializeComponent();
        }

        public static void Go()
        {
            //throw new Exception("Hello");
            int c = 0;
            int i = 5 / c;
        }

        public static void Back()
        {
            try
            {
                int c = 0;
                int i = 5 / c;
            }
            catch (Exception ex)
            {
                MessageBox.Show("[Inner]" + ex.Message);
            }
        }

        private void button1_Click(object sender, EventArgs e)
        {
            // 不会捕捉Go内部的异常的
            try
            {
                if (!worker.IsAlive)
                {
                    worker.Start();
                }
            }
            catch (Exception ex)
            {
                MessageBox.Show(ex.Message);
            }
        }

        private void button2_Click(object sender, EventArgs e)
        {
            try
            {
                if (!worker2.IsAlive)
                {
                    worker2.Start();
                }
            }
            catch (Exception ex)
            {
                MessageBox.Show("[Outter] "+ex.Message);
            }
        }
    }
}