System.Reflection.MetadataImport.GetSignatureFromToken C# (CSharp) Method

        public ConstArray GetSignatureFromToken(int token)
        {
            ConstArray signature = new ConstArray();

            _GetSignatureFromToken(m_metadataImport2, out MetadataArgs.Skip, token, ref signature);

            return signature;
        }

        public override byte[] ResolveSignature(int metadataToken)
        {
            MetadataToken tk = new MetadataToken(metadataToken);

            if (!MetadataImport.IsValidToken(tk))
            {
                throw new ArgumentOutOfRangeException(
                          nameof(metadataToken),
                          SR.Format(SR.Argument_InvalidToken, tk, this)
                          );
            }

            if (
                !tk.IsMemberRef &&
                !tk.IsMethodDef &&
                !tk.IsTypeSpec &&
                !tk.IsSignature &&
                !tk.IsFieldDef
                )
            {
                throw new ArgumentException(
                          SR.Format(SR.Argument_InvalidToken, tk, this),
                          nameof(metadataToken)
                          );
            }

            ConstArray signature;

            if (tk.IsMemberRef)
            {
                signature = MetadataImport.GetMemberRefProps(metadataToken);
            }
            else
            {
                signature = MetadataImport.GetSignatureFromToken(metadataToken);
            }

            byte[] sig = new byte[signature.Length];

            for (int i = 0; i < signature.Length; i++)
            {
                sig[i] = signature[i];
            }

            return(sig);
        }