private void checkBox8_CheckedChanged(object sender, EventArgs e)

        {

           try

            {

                //设置开机自启动

                if (checkBox8.Checked == true)

                {

                /*方法一*/

                string StartupPath = System.Environment.GetFolderPath(System.Environment.SpecialFolder.CommonStartup);

                //获得文件的当前路径

                string dir = Directory.GetCurrentDirectory();

                //获取可执行文件的全部路径

                string exeDir = dir + @"\自动备份.exe.lnk";

                File.Copy(exeDir, StartupPath + @"\自动备份.exe.lnk", true);

                /*方法二*/

                string path = Application.ExecutablePath;

                RegistryKey rk = Registry.LocalMachine;

                RegistryKey rk2 = rk.CreateSubKey(@"Software\Microsoft\Windows\CurrentVersion\Run");

                rk2.SetValue("JcShutdown", path);

                rk2.Close();

                rk.Close();

                }

                //取消开机自启动

                else

                {

                    /*方法一*/

                    string StartupPath = System.Environment.GetFolderPath(System.Environment.SpecialFolder.CommonStartup);

                    System.IO.File.Delete(StartupPath + @"\EcgNetPlug.exe.lnk");

                    /*方法二*/

                    string path = Application.ExecutablePath;

                    RegistryKey rk = Registry.LocalMachine;

                    RegistryKey rk2 = rk.CreateSubKey(@"Software\Microsoft\Windows\CurrentVersion\Run");

                    rk2.DeleteValue("JcShutdown", false);

                    rk2.Close();

                    rk.Close();

                }

            }

            catch (Exception ex)

            {

                MessageBox.Show(ex.Message);

            }

        }