private void button1_Click(object sender, EventArgs e)
        {
            ProcessStartInfo startInfo = new ProcessStartInfo();
            startInfo.FileName = Process.GetCurrentProcess().MainModule.FileName;
            startInfo.UseShellExecute = false;
            startInfo.WindowStyle = ProcessWindowStyle.Maximized;
            startInfo.WorkingDirectory = Path.GetDirectoryName(Process.GetCurrentProcess().MainModule.FileName);
            Process.Start(startInfo);
        }