SaveFileDialog另存为导出xml文件

        /// <summary>
        /// 导出
        /// </summary>
        /// <param name="sender"></param>
        /// <param name="e"></param>
        private void btnExport_Click(object sender, EventArgs e)
        {
            SaveFileDialog saveFileDialog = new SaveFileDialog();
            saveFileDialog.FileName = SysOption.XOption.Attribute("Code").Value;
            saveFileDialog.Filter = "xml files(*.xml)|*.xml|所有文件(*.*)|*.*";
            if (saveFileDialog.ShowDialog() == DialogResult.OK)
            {              
                Save();
                SysOption.Save();
                SysOption.XOption.Save(saveFileDialog.FileName);
            }
        }