https://learn.microsoft.com/cs-cz/dotnet/api/system.xml.schema.xmlschemaannotated.unhandledattributes?view=netframework-4.8.1&viewFallbackFrom=net-10.0
XmlSchemaAnnotated.UnhandledAttributes Property (System.Xml.Schema) | Microsoft Learn
Gets or sets the qualified attributes that do not belong to the current schema's target namespace.
property systemxml schemamicrosoftlearn
https://learn.microsoft.com/ru-ru/dotnet/api/system.xml.schema.xmlschema.unhandledattributes?view=netframework-4.8.1&viewFallbackFrom=net-8.0
XmlSchema.UnhandledAttributes Property (System.Xml.Schema) | Microsoft Learn
Gets or sets the qualified attributes which do not belong to the schema target namespace.
property systemxml schemamicrosoftlearn