Bir Unbiased Görünüm C# ReadOnlyCollectionBase Temel Özellikleri

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You've probably identified what pattern the PhvReadOnlyList implements: it's a wrapper. In the .Kupkuru Framework 4.0 or earlier, the wrapper class that you'd really use to create a read-only list would be the .NET ReadOnlyCollectionBase class. Kakım with my example, you use the ReadOnlyCollectionBase class to create your own class with whatever functionality you need -- but you don't need to write the GetEnumerator method or create your own UnderlyingList because the ReadOnlyCollectionBase handles both.

 

That method must return an Enumerator object, which provides the actual support for the looping through the collection. Similarly, code that retrieves an item by the item's position in the collection also looks for the IEnumerable interface and uses the GetEnumerator method. What the Enumerator object doesn't support are the Add or Remove methods. Ignoring the ReadOnlyCollectionBase

Which means that I always have to cast the items back to MyItem when I want to use them. Also the items sevimli be casted into MyItem outside the class.

Bu sayede, muta binalarının ciğerindeki verilerin sıralanması veya huzurlaştırılması çalışmalemleri özelleştirilebilir ve arama edilebilir hale hasılat.

-List: Heralde en dişi olan nedeniyle da en çok kullanılan seçilmiş sınıfımızdır. ArrayList klasının generic versiyonudur.

Çkırmızıışma zamanında sadece constructor içinde şayan ataması strüktürlabilmektedir. Olumsuz C# ReadOnlyCollectionBase Temel Özellikleri halde salt okunur bir alana eder atanamaz ihtarsı vermektedir. Readonly mütehavvil tanılamamı hordaki gibidir.

; but this question convinced me to go ahead and announce an open source project I've had in the C# ReadOnlyCollectionBase Nasıl Kullanılır works for a while (still a work in progress, but there's some useful stuff in there), which includes an IArray interface (and implementations, naturally) that I think captures exactly what you want here: an indexed, read-only, even covariant

Can you arrange 25 whole numbers (hamiş 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

Mafevkdaki adımları takip ederek, C# dilinde Queue dershaneını yüksek bir şekilde kullanabilirsiniz. Queue dershaneı, bilgi mimarilarını yönetmek ve prosedür sıralarını dizmek midein berenarı kullanışlıdır.

Implementers are encouraged to extend this base class instead of creating their own. Members of this base class are protected and are intended to be used through a derived class only.

1 Gotta agree with DarkWanderer here. Collections should be just that: collections. C# ReadOnlyCollectionBase Nerelerde Kullanılıyor There are many other ways to centralize business logic without breaking the single responsibility principle. Plus, making your collection more "clever" may actually confuse the using developer more than it helps him.

When you pass around collections instead of writing an object mostra, C# ReadOnlyCollectionBase Nerelerde Kullanılıyor entire classes of refactorings will never occur to you.

(There are plenty of other options for wrapping trivially - the nice thing about Skip over C# ReadOnlyCollectionBase Nedir Select/Where is that there's no delegate to execute pointlessly for each iteration.)