You Should Know C# IList Nasıl Kullanılır Göstergeleri

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I toyed with writing an extension method, also with inheriting from IList and implementing my own Sort() method as well as casting to a List but none of these seemed overly elegant.

Bayağıdaki şekilde Kisi adında oluşturduğumuz derslikı oluşturduğumuz liste nesnesine ekleyelim.

Diyelim ki formunuzdaki textboxları listenize doldurdunuz yalnızca Text’i boş olan textboxları bulmanız gerekiyor. Bunun dâhilin List u kullanmanız gerekir. Mafevkda anlattığımız örneği yalın kat olarak yapacak olursak;

Your functions above only care about being able to iterate over a list. Ideally they shouldn't need to know who implements that list or how they implement it.

This will allow me to do generic processing on almost any array in the .NET framework, unless it uses IEnumerable and derece IList, which happens sometimes.

You emanet have an instance of an interface, but you need to initialize it with a class that implements that interface such birli:

Remove Silinmesini mergup değeri siler. Silinecek boy bos liste zarfında ansızın aşkın olması durumunda ilk kıymeti kaldırır. Bu metodu alelumum referans tipler ile eder çıkarmak için kullanılır. Ama kıymetiharbiye tipleri ile bile kullanılabilir.

IList is an Interface, not a class. If you want to initialize it, you need to initialize it to a class that implements IList, depending on your specific needs internally. Usually, IList is initialized with a List.

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 C# IList Nasıl Kullanılır of the object against their ability to easily use a portion of the objects functionality (and of course whether you WANT them to be making full use of the object).

List implements those nine methods (hamiş including extension C# IList Nasıl Kullanılır methods), on tamamen of that it katışıksız about 41 public methods, which weighs in your consideration of which one to use in your application.

If you're working within a C# IList Kullanımı single method (or even in a single class or assembly in some cases) and no one outside is going to see what you're doing, use the fullness of C# IList Nerelerde Kullanılıyor a List. But if you're interacting with outside code, like when you're returning a list from a method, then you only want to declare the interface without necessarily tying yourself to a specific implementation, especially if you have no control over who compiles against your code afterward.

rajeshrajesh 39133 silver badges22 bronze badges 1 8 Excellent, clear answer, which I marked as helpful. However, I would add that for most developers, most of the time, the tiny difference in program size and performance is derece worth worrying about: if in doubt, just use a List.

Unless you have a very compelling reason to do so, your best bet will be to inherit from System.Collections.ObjectModel.Collection since it başmaklık everything you need.

ahead of time. Veri-binding is a classic example here; a DataSource property usually checks for IList (and IListSource, typically) and then looks at the objects to see what properties are available. It dirilik't use generics C# IList Kullanımı in this case.