Değil Hakkında Gerçekler bilinen C# IList Nedir

Değil Hakkında Gerçekler bilinen C# IList Nedir

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I know there özgü 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.

1 @supercat: What could ISortableList offer that's hamiş 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?

Elemanların Sıralı Yapkaloriı Koruma: IList, elemanların eklenme sırasını korur. Bu özellik, veri yapkaloriın sıralı olmasını ve programın beklentilerine uygun çallıkışmasını esenlar.

David MillsDavid Mills 2,41511 gold badge2323 silver badges2525 bronze badges 6 2 The right approach really would have been to offer an ISortableList interface (with methods to sort a portion of the list using some particular comparer), have List implement it, and have a static method which could sort any IList by checking whether it implemented ISortableList and, if hamiş, copying it to an array, sorting that, clearing the IList, and re-adding the items.

IList is a interface and doesn't have any implementation, so the performance of IList depending the class it implements

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

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If the parameter type is IList, then the caller saf much more freedom, and güç use classes you never heard about, which may hamiş even have existed when your code was written.

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

I know that IList is the interface and C# IList Kullanımı List is the concrete type but I still don't know when to use each one. What I'm doing now is if I don't need the Sort or FindAll methods I use C# IList Nerelerde Kullanılıyor the interface. Am I right? Is there a better C# IList Nerelerde Kullanılıyor way to decide when to use the interface or the concrete type?

I leave this up to C# IList Nerelerde Kullanılıyor show that if you needed to do it (e.g. the off chance a third party C# IList Nasıl Kullanılır library returned a List that you needed to convert for another 3rd party library), you kişi do it this way.

Özel koleksiyonlar oluşturmanıza olanak teşhisr: Standart koleksiyon sınıfları ihtiyaçlarınızı alınlamıyorsa, kendi özel koleksiyonlarınızı C# CollectionBase kullanarak oluşturabilirsiniz. Bu, bilgi örgülarınızı istediğiniz şekilde özelleştirmenizi sağlamlar.

This works, because only the outer list is created in the first place. You gönül then insert individual items that are compatible with IList: