System.Data.SqlClient.TdsParser.WriteTvpTypeInfo C# (CSharp) Method

        private void WriteTvpTypeInfo(MSS.SmiExtendedMetaData metaData, TdsParserStateObject stateObj)
        {
            Debug.Assert(SqlDbType.Structured == metaData.SqlDbType && metaData.IsMultiValued,
                        "Invalid metadata for TVPs. Type=" + metaData.SqlDbType);
            // Type token
            stateObj.WriteByte((byte)TdsEnums.SQLTABLE);

            // 3-part name (DB, Schema, TypeName)
            WriteIdentifier(metaData.TypeSpecificNamePart1, stateObj);
            WriteIdentifier(metaData.TypeSpecificNamePart2, stateObj);
            WriteIdentifier(metaData.TypeSpecificNamePart3, stateObj);

            // TVP_COLMETADATA
            if (0 == metaData.FieldMetaData.Count)
            {
                WriteUnsignedShort((ushort)TdsEnums.TVP_NOMETADATA_TOKEN, stateObj);
            }
            else
            {
                // COUNT of columns
                WriteUnsignedShort(checked((ushort)metaData.FieldMetaData.Count), stateObj);

                // TvpColumnMetaData for each column (look for defaults in this loop
                MSS.SmiDefaultFieldsProperty defaults = (MSS.SmiDefaultFieldsProperty)metaData.ExtendedProperties[MSS.SmiPropertySelector.DefaultFields];
                for (int i = 0; i < metaData.FieldMetaData.Count; i++)
                {
                    WriteTvpColumnMetaData(metaData.FieldMetaData[i], defaults[i], stateObj);
                }

                // optional OrderUnique metadata
                WriteTvpOrderUnique(metaData, stateObj);
            }

            // END of optional metadata
            stateObj.WriteByte(TdsEnums.TVP_END_TOKEN);
        }