C# IList Nedir Için Adım Haritaya göre Yeni Adım

C# IList Nedir Için Adım Haritaya göre Yeni Adım

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Arraylist: Canlı boyutludur, eleman ekleme/silme meselelemleri elan kolaydır ve farklı done türlerini saklayabilir.

Today, you almost always use IList, the primary reason for IList to still be around is for reasons of backwards compatibility.

Say I have a function that returns IEnumerable, inside the function I may use a List for an internal backing store to generate my collection, but I only want callers to enumerate it's contents, derece add or remove. Accepting an interface bey a parameter communicates a similar message "I need a collection of strings, don't worry though, I won't change it."

Then click on the bulb symbol or place the cursor on the IList and press Strg + "." You will become several implementations offered, like:

swilliamsswilliams 48.6k2727 gold badges101101 silver badges130130 bronze badges 3 5 why not make it a just a List in the first place? I still don't understand why bonus you get from making it a IList then in the constructor you make it into a List

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I thought I'd never need to change from a List but had to later change to use a custom list library for the extra functionality it provided. Because I'd only returned an IList none of the people that used the library had to change their code.

 

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tranmqtranmq 15.5k33 gold badges3232 silver badges2727 bronze badges C# IList Nerelerde Kullanılıyor 6 But in this case I kişi'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 a single class or assembly in some cases) and no one outside is going to see what you're doing, use the fullness of C# IList Nerelerde Kullanılıyor a List. But if you're interacting with outside code, like when you're returning a list from a method, C# IList Nerelerde Kullanılıyor 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.

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

This will help if you decide to change the implementation of your class later to use a different concrete class. In that C# IList Kullanımı case the users of your library won't need to update their code since the interface doesn't change.

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 gönül't use generics in this case.