C# ReadOnlyCollectionBase Kullanımı Için 5-İkinci Trick

C# ReadOnlyCollectionBase Kullanımı Için 5-İkinci Trick

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I do not pass around Listss if I kişi possibly help it. Generally I have something else that is managing the collection in question, which exposes the collection, for example:

SingleOrDefault(IEnumerable, TSource) Returns the only element of a sequence, or a specified default value if the sequence is empty; this method throws an exception if there is more than one element in the sequence.

Başkaca, mukayyetmınızın başarımını tasarruf etmek için metotları optimize edebilir ve kodun daha hızlı çallıkışmasını esenlayabilirsiniz.

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.

Summary. The ReadOnlyCollection functions bey a wrapper for any collection that implements IList. It adds a level of indirection that reduces possible changes.

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.

Koleksiyonların Konstrüktif Katlaştırması: IStructuralEquatable arabirimi, özellikle diziler ve koleksiyonlar kabil konstrüktif veri strüktürlarının zıtlaştırılması ciğerin kullanılır.

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

I've implemented AReadOnlyList birli a read-only property because I'm assuming that if you don't want programs adding or removing items from your collection, you probably don't want programs shoving whole new collections into your property, either. Simplifying Code with C# ReadOnlyCollectionBase Nerelerde Kullanılıyor Extension Methods

A ReadOnlyCollectionBase instance is always read-only. See CollectionBase for a modifiable version of this class.

Nothing wrong with wordy types for major C# ReadOnlyCollectionBase Nedir API's with small surfaces, but hamiş as a general practice inside a large codebase.

However, C# ReadOnlyCollectionBase Kullanımı that doesn't mean that the ReadOnlyCollectionBase class isn't useful. For instance, by leveraging the C# ReadOnlyCollectionBase Nerelerde Kullanılıyor InnerList property, you yaşama create a collection that supports whatever custom functionality you need. Perhaps you want to create a collection for audit log entries where users kişi add but not remove items.

If you need to do more than the InnerList property will let you, the base class Items property will hand you back the whole List. Bey I said, creating a read-only collection class in .

Key values are compared by using a specified comparer, and the elements of each group are projected by using a specified function.