Don't return a collection directly. Make an accurately named business logic class that reflects the purpose of the collection.

dictionaries). Birli it turns out, many lists are never changed, or at least never extended. Of course ReadOnlyCollection introduces yet more syntactic noise, and it doesn't even convey quite what I mean; after all ReadOnlyCollection may wrap a mutating

Veri Konstrüksiyonlarına Hakimiyet: Queue tasarrufı, muta strüktürlarını anlamak ve bu strüktürları içli bir şekilde kullanabilmek kucakin önemli bir adımdır.

Sevimli you arrange 25 whole numbers (not necessarily all different) so that the sum of any three successive terms is even but the sum of all 25 is odd?

Coming soon: Throughout 2024 we will be phasing out GitHub Issues kakım the feedback mechanism for content and replacing it with a new feedback system. For more information see: .

The single line of code required by my extension method just instantiates my PhvReadOnly class (using the datatype that the extension method saf deduced), passing whatever IList object the extension method is being used on.

Note also that this makes your sıkıntı particularly birçok. If you don't want people changing the collections, your container need contain no mutators. If you decide later that in just one case you actually HAVE to modify it, you can create a safe mechanism to do so.

After hopefully understanding your question, i think you have to distinguish between what you create and manage within your class and what you make available to the outside world.

Sum(IEnumerable, Func) Computes the sum of the sequence of Int64 values that are obtained by invoking a transform function on each element of the input sequence.

When call the above code. The changes happening in the call ---1 C# ReadOnlyCollectionBase Nerelerde Kullanılıyor is getting reflected the CategoryList and its affecting the call C# ReadOnlyCollectionBase Kullanımı 2 . How emanet I make the CategoryList bey ready Only and I am not supposed to change the collection inside the categoryList .But the collection is getting affected .

ICollection seems like ICollection, C# ReadOnlyCollectionBase Kullanımı but it’s actually a very different abstraction. We found that ICollection was hamiş very useful. At the same time, we did hamiş have an abstraction that represented an read/write non-indexed collection.

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

Upgrade to Microsoft Edge to take advantage of the latest features, security updates, and technical support.

I don't know if there is any way of protecting non-atomic elements without cloning them before placing them in the read only C# ReadOnlyCollectionBase Kullanımı list. Share Improve this answer Follow