c#中如何退出程序后自动重新启动程序

//触发退出程序事件private void button1_Click(object sender, EventArgs e)
        {
             Application.ExitThread();
            Thread thtmp = new Thread(new ParameterizedThreadStart(run));
            object appName = Application.ExecutablePath;
            Thread.Sleep(1);
            thtmp.Start(appName);
        }
 private void run(Object obj)
        {
            Process ps = new Process();
            ps.StartInfo.FileName = obj.ToString();
            ps.Start();
        } 注：Process 的命名空间为：System.Diagnostics;