private void Lba_IE_Form_FormClosing(object sender, FormClosingEventArgs e)        {            if (MessageBox.Show("确实要退出服务程序吗？", "退出程序", MessageBoxButtons.OKCancel, MessageBoxIcon.Question) == DialogResult.OK)            {                Dispose();                Application.Exit();            }            else            {                e.Cancel = true;            }        }