public static bool SetAutoRun(string keyName,string filePath)
        {
            try
            {
                RegistryKey runKey=Registry.LocalMachine.OpenSubKey(@"\SOFTWARE\Microsoft\Windows\CurrentVersion\Run",true);
                runKey.SetValue(keyName,filePath);
                runKey.Close();
            }
            catch
            {
                return false;
            }
            return true;
        }