En Kuralları Of C# IList Neden Kullanmalıyız

En Kuralları Of C# IList Neden Kullanmalıyız

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driisdriis 163k4545 gold badges268268 silver badges343343 bronze badges 3 Sorry, but even now there are plenty of uses for library code to use IList (non-generic). Anyone who says otherwise hasn't suffered enough reflection / data-binding / etc ;)

IList is an interface so you can inherit another class and still implement IList while inheriting List prevents you to do so.

Bir dahaki sefere yorum yaptığımda kullanılmak üzere etapı, elektronik posta adresimi ve web şehir adresimi bu tarayıcıya kaydet.

If you think that interfaces are useful only for building over-sized, grandiose architectures and have no place in small shops, then I hope that the person sitting across from you in the interview isn't me.

ToList first? How about returning it? I don't understand what you mean by "method will survive" when using vars? I know it will be a bit more work but won't you just have to change that to the new type birli well? So maybe IList to IList?

Örneğin, bayağıdaki kodda bir IAnimal tipinde bir parametre tanımladım ve bu bileğalışverişkene Dog ve Cat nesneleri atadım.

Most app-level code (i.e. the everyday code that ou write for your application) should probably focus on the generic versions; however there is also a lot of infrastructure code around that must use reflection.

If the collection is indexed, the indexes of the elements that are moved are also updated. This behavior does derece apply to collections where elements are conceptually grouped into buckets, such birli a C# IList Kullanımı hash table.

Whether you return an Interface or a concrete type depends upon what you want to let your callers do with the object you created -- this is an API design decision, and there's no hard and fast rule. You have to weigh their ability to make full use of the object against their ability to easily use a portion of the C# IList Nedir objects functionality (and of course whether you WANT them to be making full use of the object).

Then later if you decide to convert the actual veri store from a List to a Dictionary and expose the dictionary keys birli the actual value for the property (I have had to do exactly this before). Then consumers who have come to expect that their changes will be reflected inside of C# IList Nedir your class will no longer have that capability. That's a big sorun! If you expose the List kakım an IEnumerable you can comfortably predict that your collection is not being modified externally. That is one of the powers of exposing List kakım any of the above interfaces.

This argument only works if you write your own implementation of IList from sratch (or at least without inheriting List)

This C# IList Kullanımı is usually guaranteed for a specific implementation of a container (List documentation: "It implements the IList generic interface using an array whose size is dynamically increased bey required.").

In particular, IList lets you use the indexer, and add/remove items; things that IEnumerable don't let you do.

Have children's car seats derece been proven to be more effective than C# IList Nasıl Kullanılır seat belts alone for kids older than 24 months?