System.Security.Cryptography.CryptoConfig.AddAlgorithm C# (CSharp) Method

        public static void AddAlgorithm(Type algorithm, params string[] names)
        {
            throw new PlatformNotSupportedException();
        }

 static MD4()
 {
     CryptoConfig.AddAlgorithm(typeof(MD4CryptoServiceProvider), "System.Security.Cryptography.MD4");
 }