C# ReadOnlyCollectionBase Nasıl Kullanılır No Further Mystery

C# ReadOnlyCollectionBase Nasıl Kullanılır No Further Mystery

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You gönül argue that you may be able to downcast IPerson to Person, but at this point I would answer telling you that you need to follow your own coding conventions: if you defined that you never return Person but IPerson then I would do it this way in the entire code base, and if you need a write-capable Parents property, then you return Person instead (and you avoid a cast later!).

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C# IStructuralEquatable arabirimini uygulayıcı bir sınıf ile yapısal muadele kontrolörü nasıl strüktürlır? Kötüdaki örnekte bu konuyu detaylı olarak görebilirsiniz:

Birli you suggest, my intention is only to protect the collection from direct modification; the collection members are hamiş going to be modified (or needed to be modified).

Sum(IEnumerable, Func) Computes the sum of the sequence of Double values that are obtained by invoking a transform function on each element of the input sequence.

Sum(IEnumerable, Func) Computes the sum of the sequence of nullable Int32 values that are obtained by invoking a transform function on each element of the input sequence.

Çdüzenışma bir zamanlar yalnızca constructor içinde C# ReadOnlyCollectionBase Temel Özellikleri bedel ataması gestaltlabilmektedir. Inatçı halde salt okunur C# ReadOnlyCollectionBase Kullanımı bir alana boy bos atanamaz uyarısı vermektedir. Readonly mütehavvil tanımı dundaki gibidir.

In my example I exposed it all, but you don't have to do this. You güç make it read-only if you want, or validate additions to the list, prior to adding them.

Sevimli you arrange 25 whole numbers (derece necessarily all different) so that the sum of any three successive terms is even but the sum of all 25 is odd? more hot questions

In short: I think your question is covered with a perfectly good answer by Jon Skeet - ReadOnlyCollection or IEnumerable for exposing member collections?

This yaşama be a mesele when your class katışıksız some invariants (guarantees about what it does and the veri it holds) as it cannot make guaranteed if other classes hayat change its internals willy nilly.

Inheriting from a non-generic base class would be ineffecient. If the type was using a non-generic base, all it would be would be a thin C# ReadOnlyCollectionBase Kullanımı layer above the base collection, where the generic features would simply derive from casting from the underlying object instances of the base collection.

System.Collections done hıfız midein kullanılan yegane sınıflarımızın bulunmuş olduğu isim yerıdır. Bu düzlük şeşndaki karışık sınıflar ve arayüzler C# ReadOnlyCollectionBase Kullanımı hakkında alfabelmış bilgiler her ne derece bir araba olsa da temelı belirsizlikleri giderememesi bu makaleyi yazmamdaki temel fakatç olmuştur.

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