Açıklanan C# IList Nerelerde Kullanılıyor Hakkında 5 Kolay Gerçekler

Açıklanan C# IList Nerelerde Kullanılıyor Hakkında 5 Kolay Gerçekler

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I know there katışıksız been a lot of posts on this but it still confuses me why should you pass in an interface like IList and return an interface like IList back instead of the concrete list.

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

Diyelim ki formunuzdaki textboxları listenize doldurdunuz sadece Text’i boş olan textboxları bulmanız gerekiyor. Bunun kucakin List u kullanmanız gerekir. Yukarıda anlattığımız örneği süssüz olarak yapacak olursak;

Bearing this in mind, it makes most sense to pass types with the least number of external dependencies possible and to return the same. However, this could be different depending on the visibility of your methods and their signatures.

In addition to the older code that doesn't know about generics, there are also a lot of cases where you know you have a list

I would turn the question around a bit, instead of justifying why you should use the interface over the concrete implementation, try to justify why you would use the concrete implementation rather than the interface. If you emanet't justify it, use the interface.

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 kişi switch the implementation conveniently at a later time.

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The idea is that you hide the implementation details from the user, and instead provide them with a stable interface. C# IList Nedir This is to reduce dependency on details that might change in the future.

tranmqtranmq 15.5k33 gold badges3232 silver badges2727 bronze badges 6 But in this case I sevimli't bind my collection to DataGridView rather I have to expose the _list member in MyCollection.

If you're working within a single method (or even in C# IList Neden Kullanmalıyız a single class or 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 C# IList Nerelerde Kullanılıyor 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.

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

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

There is a complication though that dynamic güç't see explicit implementations, so something birey implement IList and IList-of-T and yet still be completely unusable from dynamic.