System.Xml.Schema.XmlSchemaType.Validate C# (CSharp) Method

        internal XmlReader Validate(XmlReader reader, XmlResolver resolver, XmlSchemaSet schemaSet, ValidationEventHandler valEventHandler) {
            if (schemaSet != null) {
                XmlReaderSettings readerSettings = new XmlReaderSettings();
                readerSettings.ValidationType = ValidationType.Schema;
                readerSettings.Schemas = schemaSet;
                readerSettings.ValidationEventHandler += valEventHandler;
                return new XsdValidatingReader(reader, resolver, readerSettings, this);
            }
            return null;
        }

        internal override int Validate(ValidationEventHandler h, XmlSchema schema)
        {
            if (IsValidated(schema.ValidationId))
            {
                return(errorCount);
            }

            if (baseType != null)
            {
                baseType.Validate(h, schema);
                actualBaseSchemaType = baseType;
            }
            else if (baseTypeName != XmlQualifiedName.Empty)
            {
                XmlSchemaType st = schema.FindSchemaType(baseTypeName);
                if (st != null)
                {
                    st.Validate(h, schema);
                    actualBaseSchemaType = st;
                }
                else if (baseTypeName == XmlSchemaComplexType.AnyTypeName)
                {
                    actualBaseSchemaType = XmlSchemaComplexType.AnyType;
                }
                else if (XmlSchemaUtil.IsBuiltInDatatypeName(baseTypeName))
                {
                    actualBaseSchemaType = XmlSchemaDatatype.FromName(baseTypeName);
                    if (actualBaseSchemaType == null)
                    {
                        error(h, "Invalid schema datatype name is specified.");
                    }
                }
                // otherwise, it might be missing sub components.
                else if (!schema.IsNamespaceAbsent(baseTypeName.Namespace))
                {
                    error(h, "Referenced base schema type " + baseTypeName + " was not found in the corresponding schema.");
                }
            }

            ValidationId = schema.ValidationId;
            return(errorCount);
        }