C# IList Nasıl Kullanılır Herkes İçin Eğlenceli Olabilir

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I know there has 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.

Arec BarrwinArec Barrwin 61.8k99 gold badges3030 silver badges2525 bronze badges 14 71 I have to disagree with your sardonic answer. I don't totally disagree with the sentiment of over-architecture being a real sorun. However I think that especially in the case of collections that interfaces really shine.

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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 derece, copying it to an array, sorting that, clearing the IList, and re-adding the items.

Your code is now broken, because int[] implements IList, but is of fixed size. The contract for ICollection (the base of IList) requires the C# IList Nasıl Kullanılır code that uses it to check the IsReadOnly flag before attempting to add or remove items from the collection. The contract for List does hamiş.

Buraya ilgi etmenizi isterim. Liste tipine textbox dedik ve listeye textbox eklerken de düver C# IList Nedir nesne adını verdik. Kısaca text özelliğini felan vermedik. Direk nesnenin kendisini verdik. Şimdi bu nöbetin güzel şu demek oluyor C# IList Nedir ki şu;

class Kisi string ad; string soyad; public C# IList Nerelerde Kullanılıyor string Ad get return ad; takım ad = value; public string Soyad get return soyad; kaş soyad = value;

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.

For example, let's say you have a Person class and a Group class. A Group instance has many people, so a List here would make sense. When I declare the list object in Group I will use an IList and instantiate it as a List.

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

kemiller2002kemiller2002 115k2828 gold badges198198 silver badges253253 bronze badges Add a comment  

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 izlence size and performance is derece worth worrying about: if C# IList Kullanımı in doubt, just use a List.

In collections of contiguous elements, such birli lists, the elements that follow the insertion point move down to accommodate the new element.

Encapsulation relies on telling clients as little about the implementation of your class bey possible. If you return a concrete List, you can't then change to some other better type without forcing all of your clients to re-compile/update.