Small example of the c boot startup item

　　// The path ,  Add boot / Delete boot boot 
        public static void SetAutoRun(string fileName, bool isAutoRun)
        {
            RegistryKey reg = null;
            try
            {
                if (!System.IO.File.Exists(fileName))
                    throw new Exception(" The file does not exist !");
                String name = fileName.Substring(fileName.LastIndexOf(@"\") + 1);
                reg = Registry.LocalMachine.OpenSubKey(@"SOFTWARE\Microsoft\Windows\CurrentVersion\Run", true);
                if (reg == null)
                    reg = Registry.LocalMachine.CreateSubKey(@"SOFTWARE\Microsoft\Windows\CurrentVersion\Run");
                if (isAutoRun)
                    reg.SetValue(name, fileName);
                else
                    reg.SetValue(name, false);
            }
            catch (Exception ex)
            {
                throw new Exception(ex.ToString());
            }
            finally
            {
                if (reg != null)
                    reg.Close();
            }
        }