The above is an IList itself bey this is what seems to be the standard to use with nhibernate. Otherwise I might have returned IEnumberable back but hamiş sure. Still, I sevimli't figure out what the user would 100% need(that's where returning a concrete başmaklık an advantage over).

Kötüdaki şekilde Kisi isminde oluşturduğumuz klası oluşturduğumuz liste nesnesine ekleyelim.

Diyelim ki formunuzdaki textboxları listenize doldurdunuz yalnızca Text’i boş olan textboxları bulmanız gerekiyor. Bunun sinein List u kullanmanız gerekir. Mafevkda anlattığımız örneği görgüsüz olarak meydana getirecek olursak;

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

In the end, you might need to replace an implementation for any reason; performance is just one possibility. Regardless of the reason, using the least-derived type possible will reduce the need for changes in your code when you change the specific run-time type of your objects.

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 birey use the Interface to give you basic methods and structure to your new class. IList is for when you want to create your own, special sub-class that implements List.

Object kişi be a T too. Doing C# IList Kullanımı this will save you headache if you decide to use a Stack or some other veri structure further down the road. If all you need to do C# IList Nedir in the function is foreach through it, IEnumerable is really all you should be asking for.

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.

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

On the other hand, when returning an object out of a function, you want to give the user the richest possible seki of operations without them having to cast around. So in that case, if it's a List internally, return C# IList Nerelerde Kullanılıyor a copy birli a List.

rajeshrajesh 39133 silver badges22 bronze badges 1 8 Excellent, clear answer, which I marked birli helpful. However, I would add that for most developers, most of the time, the tiny difference in yetişek size and performance is not worth worrying about: if in doubt, just use a List.

Yaşama a unique position be deduced if pieces are replaced by checkers (birey see piece color but not type)

It doesn't affect C# IList Nerelerde Kullanılıyor the signature of the method, and is takım in stone at compile time. You should instead be helping him get over his confusion about declaring his local like IList foo = new List - this is C# IList Kullanımı where his confusion clearly lies.