Açıklaması C# IList Nerelerde Kullanılıyor Hakkında 5 Basit Tablolar

Açıklaması C# IList Nerelerde Kullanılıyor Hakkında 5 Basit Tablolar

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driisdriis 163k4545 gold badges268268 silver badges343343 bronze badges 3 Sorry, but even now there are plenty of uses for library code to use IList (non-generic). Anyone who says otherwise hasn't suffered enough reflection / veri-binding / etc ;)

Performans Optimizasyonu: IList, bilgi erişimini optimize ederek uygulamanın başarımını fazlalıkrabilir ve yeti yönetimini iyileştirebilir.

The less popular answer is programmers like to pretend their software is going to be re-used the world over, when infact the majority of projects will be maintained by a small amount of people and however birçok interface-related soundbites are, you're deluding yourself.

The following example demonstrates the implementation of the IList interface to create a simple, fixed-size list.

Your code is now broken, because int[] implements IList, but is of fixed size. The contract for ICollection (the base of IList) requires the code that uses it to check the IsReadOnly flag before attempting to add or remove items from the collection. The contract for List does not.

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

use LINQ to perform the conversion of your existing List when you return it - but it would be better to just create a more C# IList Kullanımı appropriate type to start with, as shown above.

If the collection is indexed, the indexes of the elements that are moved are also updated. This behavior does hamiş apply to collections where elements are conceptually grouped into buckets, such kakım a hash table.

For example, let's say you have a Person class and a Group class. A Group instance özgü 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 bey a List.

Then later if you decide to convert the actual veri store from a List to a Dictionary and expose C# IList Nedir the dictionary keys kakım the actual value for the property (I have had to do exactly this before). Then consumers who have come to expect that C# IList Nerelerde Kullanılıyor their changes will be reflected inside of your class will no longer have that capability. That's a big sorun! If you expose the List birli an C# IList Neden Kullanmalıyız IEnumerable you can comfortably predict that your collection is derece being modified externally. That is one of the powers of exposing List as any of the C# IList Neden Kullanmalıyız above interfaces.

 

Returning a read-only interface such kakım IEnumerable is often the way to go for data-retrieval methods. Your consumer gönül project it into a richer type bey-needed.

You hayat pass a plain array to something which accepts an IList parameter, and then you güç call IList.Add() and will receive a runtime exception:

There is a complication though that dynamic emanet't see explicit implementations, so something hayat implement IList and IList-of-T and yet still be completely unusable from dynamic.