C# IList Nasıl Kullanılır Herkes İçin Eğlenceli Olabilir

C# IList Nasıl Kullanılır Herkes İçin Eğlenceli Olabilir

Blog Article

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

Found this thread while I was looking for a solution to the exact mesele described in the original post. None of the answers met my situation entirely, however. Brody's answer was pretty close. Here is my situation and solution I found to it.

Bu kent, istenmeyenleri azaltmak derunin Akismet kullanıyor. Yorum verilerinizin nasıl çalışmalendiği hakkında elan zait bilgelik edinin.

That way you take advantage if you can, while still allowing the client flexibility in what they pass in.

The accepted answer by @DavidMills is quite good, but I think it dirilik be improved upon. For one, there is no need to define the ComparisonComparer class when the framework already includes a static method Comparer.Create(Comparison). This method hayat be used to create an IComparison on the fly.

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

In case of using IList, the caller is always guareented things to work, and the implementer is free to change the underlying collection to any alternative concrete implementation C# IList Neden Kullanmalıyız of IList

Upgrade to Microsoft Edge to take advantage of the latest features, security updates, and technical support.

Bir dahaki sefere tefsir yapmış olduğumda kullanılmak üzere etapı, elektronik posta adresimi ve web kent adresimi bu tarayıcıevet kaydet.

If you emanet consider your method, determine that you probably won't be changing the return collection type, then it is probably safe to return a more exact type. If you aren't sure, C# IList Neden Kullanmalıyız or are afraid that if you change it in future you'll be breaking other people's code, then go more general.

If you're working within a single method (or even in a single class or C# IList Nedir assembly in some cases) and no one outside is going to see what you're doing, use the fullness of 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.

Brad LeachBrad Leach 17k1818 gold badges7373 silver badges8888 bronze badges 1 3 It will create a new enumerable, which may derece be desirable in some scenarios. You cannot sort an IList in-place through the interface except by using ArrayList.Adapter method in my knowledge.

If you C# IList Neden Kullanmalıyız use the concrete type all callers need to be updated. If exposed kakım IList the caller doesn't have to be changed.

For 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 C# IList Kullanımı objects. If you need to expose a collection outside 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 empty collection that you expect/want them to populate, then an IEnumerable is unsuitable.