Bir İnceleme C# IList Neden Kullanmalıyız

Bir İnceleme C# IList Neden Kullanmalıyız

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Note that the IsReadOnly flag comes from ICollection, and indicates whether items dirilik be added or removed from the collection; but just to really confuse things, it does not indicate whether they gönül be replaced, which in the case of Arrays (which return IsReadOnlys == true) kişi be.

C# CollectionBase dershaneı, özelleştirilebilir koleksiyonların oluşturulmasını sağlar ve bu sayede mukayyetm projelerinde suples ve tekrar kullanılabilirlik sağlamlar.

Diyelim ki formunuzdaki textboxları listenize doldurdunuz yalnızca Text’i boş olan textboxları bulmanız gerekiyor. Bunun karınin List u kullanmanız gerekir. Yukarıda anlattığımız örneği gösterişsiz olarak meydana getirecek olursak;

David MillsDavid Mills 2,41511 gold badge2323 silver badges2525 bronze badges 6 2 The right approach really would have been to offer an ISortableList interface (with methods to sort a portion of the list using some particular comparer), have List implement it, and have a static method which could sort any IList by checking whether it implemented ISortableList and, if hamiş, copying it to an array, sorting that, clearing the IList, and re-adding the items.

swilliamsswilliams 48.6k2727 gold badges101101 silver badges130130 bronze badges 3 5 why not make it a just a List in the first place? I still don't understand why bonus you get from making it a IList then in the constructor you make it into a List

List is a specific implementation of IList, which is a container that yaşama be addressed the same way bey a linear array T[] using an integer index. When you specify IList kakım the type of the method's argument, you only specify that you need certain capabilities of the container. For example, the interface specification does not enforce a specific data structure to be C# IList Neden Kullanmalıyız used.

You are most often better of using the most general usable type, in this case the IList or even better the IEnumerable interface, so that you güç switch the implementation conveniently at a later time.

If you specify your methods to return an interface that means you are free to change the exact implementation later on without the consuming method ever knowing.

Bir dahaki sefere versiyon yaptığımda kullanılmak üzere hamleı, e-posta adresimi ve web şehir adresimi bu tarayıcıevet kaydet.

Taking LinkedList vs taking List vs IList all communicate something of the performance guarantees required by the code being called.

kemiller2002kemiller2002 115k2828 gold badges198198 silver badges253253 bronze badges Add a comment  

Benefit of using an Interface is that you get to implement your functionality or better yet, the only functionality C# IList Nasıl Kullanılır you require. So, if iteration/enumeration is required only, then there is no need for the Sort, Add methods.

In collections of contiguous elements, such birli lists, the elements that follow the insertion point move down to accommodate the new element.

For C# IList Kullanımı instance, if you return an IEnumerable, then you are limiting them to iterating -- they sevimli't add or remove items from your object, they can only act against the objects. If you need to expose a collection outside C# IList Neden Kullanmalıyız of a class, but don't want to let the caller change the collection, this is one way of doing it. On the other hand, if you are returning an C# IList Nasıl Kullanılır empty collection that you expect/want them to populate, then an IEnumerable is unsuitable.