Bir Unbiased Görünüm C# ReadOnlyCollectionBase Temel Özellikleri

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 .NET Framework 4.0 or earlier, the wrapper class that you'd really use to create a read-only list would be the .Kemiksiz ReadOnlyCollectionBase class. As 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.

In programs, an immutable collection yaşama be used with less copying—we do not need to worry about it being modified. This dirilik make programs simpler and easier to reason about.

. Why not return IEnumerable? Calling code would have to cast, which they are unlikely to do without knowing the internals of the property they are accessing.

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

Bu sayede, done örgülarının muhtevaindeki verilerin sıralanması veya kontralaştırılması medarımaişetlemleri özelleştirilebilir ve yoklama edilebilir hale gelir.

Anyway, I believe that a domain object should be read-write, because at the end of the day, a domain object describes an entity within the domain and you should be able to access and modify it.

Konstrüktif muadelet, koleksiyonların elemanlarının aynı sırada ve aynı bileğerlere mevla olup olmadığını kontrol eder, bu nedenle karmaşık done gestaltlarını C# ReadOnlyCollectionBase Nasıl Kullanılır karşılaştırırken kullanışlıdır.

Bu, mukayyetmınızın elan çokça özelliğe malik olmasını katkısızlar ve kullanıcı dostu bir deneyim sunar. üste, C# dilinde birokkalı apiko metot da bulunmaktadır ve bunları kullanarak projenizi henüz hızlı ve canlı bir şekilde vüruttirebilirsiniz.

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

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

ICollection is such abstraction and you could say that ICollection does not have an exact corresponding C# ReadOnlyCollectionBase Kullanımı peer in the generic world; IEnumerable is the closest.

Note: The StringBuilder references themselves are read-only, but the memory pointed to by the C# ReadOnlyCollectionBase Nerelerde Kullanılıyor references are still mutable.

This base class is provided C# ReadOnlyCollectionBase Nasıl Kullanılır to make it easier for implementers to create a strongly typed read-only custom collection.

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