Hakkında herşey C# IList Nasıl Kullanılır

Hakkında herşey C# IList Nasıl Kullanılır

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It's always best to use the lowest base type possible. This gives the implementer of your interface, or consumer of your method, the opportunity to use whatever they like behind the scenes.

1 @supercat: What could ISortableList offer that's not already in IList? Or, asked differently, why couldn't an IList be sorted in-place without re-adding the items by your imagined static method?

Koleksiyonlar, verileri belli başlı bir düzende depolamak ve yönetmek kucakin kullanılan muta dokumalarıdır. CollectionBase ile kendi koleksiyonlarınızı oluştururken, bu bilgi bünyelarını daha faal ve verimkâr bir şekilde kullanabilirsiniz.

Eric LippertEric Lippert 656k182182 gold badges1.3k1.3k silver badges2.1k2.1k bronze badges 14 12 How do you know what the caller needs though. For instance I was switching one of my return types to a IList then I well I am probably just going to enumerate over them anyways lets just return an IEnumberable.

Basically, I need to see some actual code examples of how using IList would have solved some mesele over just taking List into everything.

IList on the other hand is an Interface. Basically, if you want to create your own custom List, say a list class called BookList, then you emanet use the Interface to give you basic methods and structure to your new class. IList is for when C# IList Nasıl Kullanılır you want to create your own, special sub-class that implements List.

You may not ever need that option, but it's an argument. I think it's the entire argument for returning the interface instead of the concrete type. C# IList Kullanımı It's worth mentioning, but in this case it başmaklık a serious flaw.

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.

In VS2008, when I click on the C# IList Nerelerde Kullanılıyor service reference and select "Configure Service Reference", there is an option to choose how the client de-serializes lists returned from the service.

Want to improve this question? Update the question so it güç be answered with C# IList Kullanımı facts and citations by editing this post.

However, this makes the method more fragile, bey any change to the returned object type may break the calling code. C# IList Nedir In practice though, that generally isn't a major sorun.

I leave this up to show that if you needed to do it (e.g. the off chance a third party library returned a List that you needed to convert for another 3rd party library), you yaşama do it this way.

If you're just enumerating over the values, you should be using IEnumerable. Every type of datatype that hayat hold more than one value implements IEnumerable (or should) and makes your method hugely flexible.

ahead of time. Data-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 birey't use generics in this case.