[This feature was implemented only for MSXML 6.0.]
Used to expand the IXMLDOMSchemaCollection interface.
IXMLDOMSchemaCollection2 inherits from IXMLDOMSchemaCollection. The new methods and properties make validation timing more flexible, and enable you to retrieve schema and declaration objects. The ISchema interface can be used to obtain further information from the schema object, which is obtained from the getSchema method call. The ISchemaItem interface can be used to obtain further information from the declaration object, which is obtained from the getDeclaration method.