https://learn.microsoft.com/de-de/dotnet/api/system.servicemodel.syndication.referencedcategoriesdocument?view=netframework-4.8.1&viewFallbackFrom=net-10.0-pp
ReferencedCategoriesDocument Class (System.ServiceModel.Syndication) | Microsoft Learn
Represents a reference to a categories document.
class systemsyndicationmicrosoftlearn