System.Xml.Schema.DtdValidator.GenEntity C# (CSharp) Méthode

        private bool GenEntity(XmlQualifiedName qname) {
            string n = qname.Name;
            if (n[0] == '#') { // char entity reference
                return false;
            }
            else if (SchemaEntity.IsPredefinedEntity(n)) {
                return false;
            }
            else {
                SchemaEntity en = GetEntity(qname, false);
                if (en == null) {
                    // well-formness error, see xml spec [68]
                    throw new XmlException(Res.Xml_UndeclaredEntity, n); 
                }
                if (!en.NData.IsEmpty) {
                    // well-formness error, see xml spec [68]
                    throw new XmlException(Res.Xml_UnparsedEntityRef, n); 
                }

                if (reader.StandAlone && en.DeclaredInExternal) {
                    SendValidationEvent(Res.Sch_StandAlone);    
                }
                return true;
            }
        }