System.Data.XmlTreeGen.AddExtendedProperties C# (CSharp) Метод

        internal static void AddExtendedProperties(PropertyCollection props, XmlElement node, Type type)
        {
            if (props != null)
            {
                foreach (DictionaryEntry entry in props)
                {
                    string s, v;

                    if (entry.Key is INullable)
                    {
                        s = (string)SqlConvert.ChangeTypeForXML(entry.Key, typeof(string));
                    }
                    else
                    {
                        s = Convert.ToString(entry.Key, CultureInfo.InvariantCulture);
                    }

                    if (entry.Value is INullable)
                    {
                        v = (string)SqlConvert.ChangeTypeForXML(entry.Value, typeof(string));
                    }
                    else if (entry.Value is System.Numerics.BigInteger)
                    {
                        v = (string)BigIntegerStorage.ConvertFromBigInteger((System.Numerics.BigInteger)entry.Value, typeof(string), CultureInfo.InvariantCulture);
                    }
                    else
                    {
                        v = Convert.ToString(entry.Value, CultureInfo.InvariantCulture);
                    }

                    if (type == typeof(DataRelation))
                    {
                        s = Keywords.MSD_REL_PREFIX + s;
                    }
                    else if (type == typeof(ForeignKeyConstraint))
                    {
                        s = Keywords.MSD_FK_PREFIX + s;
                    }
                    node.SetAttribute(XmlConvert.EncodeLocalName(s), Keywords.MSPROPNS, v);
                }
            }
        }